MAN SANG HOLDINGS INC
10-Q, 1997-11-14
JEWELRY, WATCHES, PRECIOUS STONES & METALS
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                    FORM 10-Q


[X]      QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
         EXCHANGE ACT OF 1934

                  For the quarterly period ended September 30, 1997

                                       OR

[ ]      TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
         EXCHANGE ACT OF 1934

         For the transition period from _____________ to _____________.

                       Commission File Number: 33-10639-NY

                             MAN SANG HOLDINGS, INC.
             (Exact name of registrant as specified in its charter)

            Nevada                                              87-0539570
  (State or other jurisdiction 
of incorporation or organization)                            (IRS Employer No.)

   21/F Railway Plaza, 39 Chatham Road South, Tsimshatsui, Kowloon, Hong Kong
                    (Address of principal executive officers)

                                 (852) 2317 5300
                           (Issuer's telephone number)


   (Former name, former address and former fiscal year, if changed since last
                                    report)

         Check whether the issuer (1) filed all reports required to be filed by
Section 13 or 15(d) of the Exchange Act during the past 12 months (or for such
shorter period that the registrant was required to file such reports), and (2)
has been subject to such filing requirements for the past 90 days.  Yes X  No __

         As of September 30, 1997, 4,305,960 shares of common stock of the
registrant were outstanding.
<PAGE>   2
                             MAN SANG HOLDINGS, INC.

                                      INDEX


                                                                     Page Number

PART I - FINANCIAL INFORMATION
Item 1. Financial Statements
            Consolidated Balance Sheets -
                  September 30, 1997 and March 31, 1997......................F-1
            Consolidated Statements of Income -
                  For the three months ended September 30, 1997 and
                  1996 and six months ended September 30, 1997
                  and 1996...................................................F-3
            Consolidated Statements of Cash Flows -
                  For the six months ended September 30,1997
                  and 1996...................................................F-4
            Notes to Condensed Consolidated
                  Financial Statements.......................................F-5

Item 2. Management's Discussion and Analysis of
                  Financial Condition and Results of
                  Operations...................................................1

PART II - OTHER INFORMATION....................................................4

SIGNATURE......................................................................7
<PAGE>   3
                         PART 1 - FINANCIAL INFORMATION

ITEM 1.   FINANCIAL STATEMENTS

                    MAN SANG HOLDINGS, INC. AND SUBSIDIARIES
                     CONSOLIDATED BALANCE SHEET (UNAUDITED)
               (Amounts expressed in thousands except share data)

<TABLE>
<CAPTION>
                                                                 SEPTEMBER 30, 1997     MARCH 31, 1997
                                                              -----------------------   --------------
                                                                  US$            HK$            HK$
<S>                                                           <C>            <C>              <C>   
ASSETS
Current assets:
    Cash and cash equivalents                                   19,820         153,206          16,928
    Accounts receivable, net of allowance for doubtful           7,213          55,756          47,505
         accounts of HK$1,266 in September 30, 1997 and
         HK$1,000 in March 31, 1997
     Inventories
         Raw materials                                             780           6,032          12,432
         Work in progress                                        5,326          41,171          39,531
         Finished goods                                         14,311         110,624          87,600
                                                              --------        --------        --------
                                                                20,417         157,827         139,563

     Prepaid expenses                                              325           2,510           1,357
     Other current assets                                        2,333          18,035           3,795
     Income taxes receivable                                         4              34             437
                                                              --------        --------        --------
              Total current assets                              50,112         387,368         209,585

Property, plant and equipment                                    5,692          43,995          41,086
     Accumulated depreciation                                   (1,229)         (9,502)         (8,224)
                                                              --------        --------        --------
                                                                 4,463          34,493          32,862

Real estate investment                                           4,042          31,244          28,009
     Accumulated depreciation                                     (291)         (2,247)         (1,981)
                                                              --------        --------        --------
                                                                 3,751          28,997          26,028

                                                              ========        ========        ========
              Total  assets                                     58,326         450,858         268,475
                                                              ========        ========        ========
</TABLE>

                                      F-1
<PAGE>   4
                    MAN SANG HOLDINGS, INC. AND SUBSIDIARIES
               CONSOLIDATED BALANCE SHEET (UNAUDITED) - CONTINUED
               (Amounts expressed in thousands except share data)

<TABLE>
<CAPTION>
                                                                   SEPTEMBER 30, 1997    MARCH 31, 1997
                                                                  ---------------------  --------------
                                                                     US$          HK$           HK$
<S>                                                              <C>          <C>           <C>   
LIABILITIES AND SHAREHOLDERS' EQUITY
Current liabilities:
     Short-term bank borrowings                                     5,932        45,851        51,596
     Current portion of long-term debts
         Secured bank loans                                           244         1,886         1,404
         Capital lease obligations                                     13            99            94
                                                                  -------       -------       -------
                                                                      257         1,985         1,498

     Accounts payable                                               3,554        27,473        23,882
     Accrued payroll and employee benefits                            766         5,919         7,832
     Other accrued liabilities                                      2,887        22,316         9,375
      Income taxes payable                                            610         4,716           395
                                                                  -------       -------       -------
              Total current liabilities                            14,006       108,260        94,578

Long-term debts
         Secured bank loans                                         1,477        11,416         8,333
         Capital lease obligations                                     15           118           169
                                                                  -------       -------       -------
                                                                    1,492        11,534         8,502

Minority interest                                                  10,539        81,467            --

Stockholders' equity:
Common stock, par value US$0.001                                        4            33            33
      - authorized:  25,000,000 shares;
         issued and outstanding: 4,305,960 shares
Series A preferred stock, par value US$0.001                           --             1             1
      - authorized, issued and outstanding: 100,000 shares;
         (entitled in liquidation to US$2,500 (HK$19,325))
Series B convertible preferred stock, par value US$0.001               --            --            --
      - authorized:  100,000 shares
Additional paid-in capital                                         17,628       136,264        46,059
Retained earnings                                                  14,556       112,515       117,840
Cumulative translation adjustments                                    101           784         1,462
                                                                  -------       -------       -------
              Total stockholders' equity                           32,289       249,597       165,395
                                                                  =======       =======       =======
              Total liabilities and stockholders' equity           58,326       450,858       268,475
                                                                  =======       =======       =======
</TABLE>




      See accompanying notes to condensed consolidated financial statements

                                      F-2
<PAGE>   5
                    MAN SANG HOLDINGS, INC. AND SUBSIDIARIES
                  CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED)
                 FOR THE THREE AND SIX MONTHS ENDED SEPTEMBER 30
               (Amounts expressed in thousands except share data)

<TABLE>
<CAPTION>
                                                    THREE MONTHS ENDED SEPTEMBER 30,           SIX MONTHS ENDED SEPTEMBER 30,
                                                    --------------------------------           ------------------------------
                                                           1997                 1996                 1997                  1996
                                                   ---------------------       -------     ------------------------   --------------
                                                      US$          HK$            HK$           US$           HK$           HK$

<S>                                                <C>          <C>           <C>            <C>          <C>           <C>    
Net sales                                            9,448        73,034        63,403         18,118       140,055       119,250
Cost of goods sold                                   5,708        44,119        41,356         10,933        84,510        75,268
                                                   -------       -------       -------        -------       -------       -------
Gross profit                                         3,740        28,915        22,047          7,185        55,545        43,982

Rental income, gross                                   191         1,475         1,186            380         2,934         2,323
Business tax                                             9            69            58             17           132           118
                                                   -------       -------       -------        -------       -------       -------
                                                       182         1,406         1,128            363         2,802         2,205

Selling, general and administrative expenses
   - Pearls                                          1,842        14,243         9,557          3,562        27,537        18,643
   - Real estate investment                            103           795           979            195         1,504         1,493
                                                   -------       -------       -------        -------       -------       -------
Operating income                                     1,977        15,283        12,639          3,791        29,306        26,051

Non-operating items
   - Gain on disposal of fixed assets                   --            --            --          1,089         8,421            --
   - Interest income                                 1,520        11,754           179          1,541        11,914           268
   - Other income                                       35           272           609             57           437           851
   - Interest expense                                  149         1,155         1,378            321         2,484         3,020
                                                   -------       -------       -------        -------       -------       -------
Income before income taxes                           3,383        26,154        12,049          6,157        47,594        24,150

Income taxes                                           552         4,266           (66)           666         5,147           903

                                                   -------       -------       -------        -------       -------       -------
Income before minority interest                      2,831        21,888        12,115          5,491        42,447        23,247

Minority interest                                      459         3,550            --            459         3,550            --

                                                   =======       =======       =======        =======       =======       =======
Net income                                           2,372        18,338        12,115          5,032        38,897        23,247
                                                   =======       =======       =======        =======       =======       =======



Basic earnings per common share                       0.55          4.26          3.50           1.17          9.03          7.19
                                                   =======       =======       =======        =======       =======       =======

Diluted earnings per common share                     0.55          4.23          2.82           1.16          9.00          6.08
                                                   =======       =======       =======        =======       =======       =======
</TABLE>

     See accompanying notes to condensed consolidated financial statements

                                      F-3
<PAGE>   6
                    MAN SANG HOLDINGS, INC. AND SUBSIDIARIES
                CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)
                      FOR THE SIX MONTHS ENDED SEPTEMBER 30
                        (Amounts expressed in thousands)
<TABLE>
<CAPTION>
                                                                                             SIX MONTHS ENDED SEPTEMBER 30,
                                                                                             ------------------------------
                                                                                               1997                      1996
                                                                                     -------------------------    ------------------
                                                                                         US$             HK$             HK$
CASH FLOW FROM OPERATING ACTIVITIES:
<S>                                                                                  <C>            <C>             <C>   
Net income                                                                              5,032          38,897          23,247
Adjustments to reconcile net income to net cash (used in)
   provided by operating activities:
   Depreciation and amortization                                                          255           1,967           1,263
   (Gain) Loss on sale of property, plant and equipment                                (1,088)         (8,415)            222
   Provision for doubtful debts                                                            35             266              --
   Minority interests                                                                     459           3,550              --
Changes in operating assets and liabilities:
   Accounts receivable                                                                 (1,102)         (8,518)        (13,183)
   Inventories                                                                         (2,385)        (18,435)        (25,546)
   Prepaid expenses                                                                      (149)         (1,153)            723
   Other current assets                                                                (1,843)        (14,245)            731
   Income taxes receivable                                                                 52             402              --
   Accounts payable                                                                       473           3,660          (4,961)
   Accrued payroll and employee benefits                                                 (247)         (1,912)          1,190
   Other accrued liabilities                                                            1,675          12,950            (435)
    Income taxes payable                                                                  559           4,322             264
                                                                                     --------        --------        --------
Net cash provided by (used in) operating activities                                     1,726          13,336         (16,485)
                                                                                     --------        --------        --------

CASH FLOW FROM INVESTING ACTIVITIES:
    Purchase of property, plant and equipment                                            (768)         (5,935)         (4,685)
    Expenditure on real estate investment                                                (421)         (3,257)             --
    Proceeds from sale of property, plant and equipment                                 1,426          11,025             199
                                                                                     --------        --------        --------
Net cash provided by (used in) investing activities                                       237           1,833          (4,486)
                                                                                     --------        --------        --------

CASH FLOW FROM FINANCING ACTIVITIES:
    Increase in long-term debts                                                           575           4,450              --
    Repayment of long-term debts                                                         (120)           (931)           (263)
    Increase in short-term bank borrowings                                              9,027          69,783          55,286
    Repayment of short-term bank borrowings                                            (9,204)        (71,146)        (57,595) 
    Increase in bank overdrafts                                                        26,146         202,107        (169,174)
    Repayment of bank overdrafts                                                      (26,710)       (206,468)       (172,828) 
    Advances from related parties                                                          --              --             139 
    Repayments to related parties                                                          --              --          (2,904)  
    Net proceeds from issuance of shares by a subsidiary                               15,993         123,621              --
    Net proceeds from issuance of convertible preferred stock                              --              --          39,853
                                                                                     --------        --------        --------
Net cash provided by financing activities                                              15,707         121,416          30,862
                                                                                     --------        --------        --------

Net increase in cash and cash equivalents                                              17,670         136,585           9,891
Cash and cash equivalents at beginning of period                                        2,190          16,928           9,602
Exchange adjustments                                                                      (40)           (307)              8
                                                                                     ========        ========        ========
Cash and cash equivalents at end of period                                             19,820         153,206          19,501
                                                                                     ========        ========        ========

SUPPLEMENTARY DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the period for:
     Interest and financing charges                                                       277           2,145           3,020
                                                                                     --------        --------        --------
     Income taxes                                                                          55             423             639
                                                                                     --------        --------        --------
</TABLE>

      See accompanying notes to condensed consolidated financial statements

                                      F-4
<PAGE>   7
                    MAN SANG HOLDINGS, INC. AND SUBSIDIARIES

              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

                               SEPTEMBER 30, 1997
                                   (UNAUDITED)

1.  INTERIM FINANCIAL PRESENTATION

The interim financial statements are prepared pursuant to the requirements for
reporting on Form 10-Q. The March 31, 1997 balance sheet data was derived from
audited financial statements but does not include all disclosures required by
generally accepted accounting principles. The interim financial statements and
notes thereto should be read in conjunction with the financial statements and
notes included in the annual report of Man Sang Holdings, Inc. (the "Company")
on Form 10-KSB for the fiscal year ended March 31, 1997. In the opinion of
management, the interim financial statements reflect all adjustments of a normal
recurring nature necessary for a fair presentation of the results for the
interim periods presented.


2.  CURRENCY PRESENTATION AND FOREIGN CURRENCY TRANSLATION

Assets and liabilities of foreign subsidiaries are translated at period end
exchange rates, while revenues and expenses are translated at average exchange
rates during the period. Adjustments arising from translating foreign currency
financial statements are reported as a separate components of stockholders'
equity. Gains or losses from foreign currency translations are included in
income. Aggregate net foreign currency gains or losses were immaterial for all
periods.

The consolidated financial statements of the Company are maintained, and its
consolidated financial statements are expressed, in Hong Kong dollars. The
translations of Hong Kong dollar amounts into United States dollars are for
convenience only and have been made at the rate of HK$7.73 to US$1, the
approximate free rate of exchange at September 30, 1997. Such translations
should not be construed as representations that Hong Kong dollars amounts could
be converted into United States dollars at that rate or any other rate.

3. EARNINGS PER SHARE ("EPS")

Per share data is calculated using the weighted average number of shares of
common stock outstanding during the period.

In February 1997, the Financial Standard Board ("FASB") issued Statement of
Financial Accounting Standard No. 128, Earnings Per Share. This statement
provides for the calculation of basic and diluted earnings per share, which is
different from the current

                                       F-5
<PAGE>   8
calculation of primary and fully diluted earnings per share, and requires
statement of such earnings per share information for all prior periods
presented. In this regard, the computation of the basic and diluted earnings per
share of common stock of the Company for the quarter ended September 30, 1996
and for the six-month period ended September 30, 1996 are disclosed as follows:

The Company has 100,000 shares of authorized Series B Convertible Preferred
Stock, par value US$0.001 per share ("Series B Preferred Stock"). During the
period from April to July 1996, the Company sold and issued 6,760 shares of
Series B Preferred Stock for an aggregate purchase price of US$6.76 million.
Shares of Series B Preferred Stock were convertible into shares of common stock
commencing on or after 45 days following the sales of such shares of Series B
Preferred Stock. Each share of Series B Preferred Stock was convertible into the
number of shares of common stock determined by dividing US$1,000 by an amount
equal to the lesser of (i) the market price of the common stock on the closing
date of the sale of such shares of Series B Preferred Stock or (ii) 70% of the
average closing bid price of the common stock for the five trading days
preceding the conversion. All 6,760 shares of Series B Preferred Stock were
converted into shares of common stock in fiscal 1997. As a result, 5,219,448
shares of common stock were issued in fiscal 1997 and the remaining 1,098
shares, representing 4,390 shares of common stock prior to the 1-for-4 reverse
stock split, were issued during the six-month period ended September 1997.

For the quarter ended September 30, 1996, the weighted average number of shares
of common stock issued upon the conversion of Series B Preferred Stock was
1,839,086. After giving effect to the 1-for-4 reverse stock split effected in
October 1996, the weighted average number of shares of common stock outstanding
for the quarter was 3,459,772.

For the six-month period ended September 30, 1996, the weighted average number
of shares of common stock issued upon the conversion of Series B Preferred Stock
was 924,568. After giving effect to the 1-for-4 reverse stock split effected in
October 1996, the weighted average number of shares of common stock outstanding
for the period was 3,231,142.


<TABLE>
<CAPTION>
                          For the Quarter Ended September 30, 1996
                              Earnings         Shares
                             (Numerator)    (Denominator)     EPS
                               HK$'000                        HK$
<S>                             <C>          <C>             <C> 
Basic EPS
Net income available
to common stockholders          12,115       3,459,772       3.50
                                                             ====

Effect of dilutive
Securities Series B
Preferred Stock                     --         839,706
                             ---------       ---------
</TABLE>

                                       F-6
<PAGE>   9
<TABLE>
<S>                               <C>                 <C>                <C> 
Diluted EPS
Net income available to
common stockholders,
including conversion              12,115              4,299,478          2.82
                              ===========            ==========          ====
</TABLE>


<TABLE>
<CAPTION>
                           For the Six Months Ended September 30, 1996
                                 Earnings       Shares
                               (Numerator)   (Denominator)     EPS
                                 HK$'000                       HK$
<S>                              <C>          <C>             <C> 
Basic EPS
Net income available
to common stockholders           23,247       3,231,142       7.19
                                                              ====

Effect of dilutive
Securities Series B
Preferred Stock                      --         591,509
                              ---------       ---------

Diluted EPS
Net income available to
common stockholders,
including conversion             23,247       3,822,651       6.08
                              =========       =========       ====
</TABLE>


Pursuant to the Man Sang Holdings, Inc. 1996 Stock Option Plan (the "Plan"), the
Company granted, on September 16, 1997, non-qualified stock options to the
directors and certain senior employees of the Company to purchase, in aggregate,
850,000 shares of common stock of the Company. The exercise price is US$1.22 per
share, representing 85% of the fair market value of the common stock on the date
of grant, as determined pursuant to Article 6.2 of the Plan. Fifty percent (50%)
of the options are exercisable on or after September 16, 1998 and the remaining
fifty percent (50%) are exercisable on or after September 16, 1999, but no
options may be exercised after September 16, 2007. In light of the dilutive
effect of the options, the computation of the basic and diluted earnings per
share of common stock of the Company for the quarter and the six-month period
ended on September 30, 1997 are disclosed as follows:




                                       F-7
<PAGE>   10
<TABLE>
<CAPTION>
                              For the Quarter Ended September 30, 1997
                               Earnings       Shares
                              (Numerator)  (Denominator)       EPS
                                HK$'000                        HK$
<S>                           <C>          <C>             <C> 
Basic EPS
Net income available to
common stockholders              18,338       4,305,960       4.26
                                                              ====

Effect of dilutive
share option                         --          32,914
                              ---------       ---------

Diluted EPS
Income available to
common stockholders and
assumed conversions              18,338       4,338,874       4.23
                              =========       =========       ====
</TABLE>


<TABLE>
<CAPTION>
                           For the six months ended September 30, 1997
                               Earnings      Shares
                              (Numerator)   (Denominator)     EPS
                                HK$'000                       HK$
<S>                          <C>          <C>             <C> 
Basic EPS
Net income available to
common stockholders              38,897       4,305,960       9.03
                                                              ====

Effect of dilutive
share option                         --          16,547
                              ---------       ---------

Diluted EPS
Income available to
common stockholders and
assumed conversions              38,897       4,322,507       9.00
                              =========       =========       ====
</TABLE>


Based on the above calculations, there was no material dilutive effect on the
basic earnings per share for the quarter ended September 30, 1997 and the
six-month period ended

                                       F-8
<PAGE>   11
September 30, 1997. The fair value of each option granted was calculated to be
US$0.63 using the Black-Scholes Model based the following the assumptions:

(a) risk free interest rate of 5.9%;

(b) no payment of dividends;

(c) expected life of 2 years; and

(d) expected volatility of 63%.

The Company has elected to account for stock options using the Intrinsic Value
Method. Had the Company elected the Fair Value Method, net income and earnings
per share for the quarter ended September 30, 1997 would have been US$2,361,844
and US$0.55, respectively.


4.  NEW ACCOUNTING STANDARDS NOT YET ADOPTED

In June 1997, the FASB issued two new disclosure standards. Results of
operations and financial position will not be affected by implementation of
these new standards.

Statement of Financial Standard (SFAS) No. 130, Reporting Comprehensive Income,
establishes standards for reporting and display of comprehensive income, its
components and accumulated balances. Comprehensive income is defined to include
all changes in equity except those resulting from investments by, and
distributions to, owners. Among other disclosures, SFAS No. 130 requires that
all items that are required to be recognized under current accounting standards
as components of comprehensive income be reported in a financial statement that
is displayed with the same prominence as other financial statements.

SFAS No. 131, Disclosures about Segments of an Enterprise and Related
Information, which supersedes SFAS No. 14, Financial Reporting for Segments of a
Business Enterprise, establishes standards for the way that public enterprises
report information about operating segments in interim financial statements
issued to the public. It also establishes standards for disclosures regarding
products and services, geographic areas and major customers. SFAS No. 131
defines operating segments as components of an enterprise about which separate
financial information is available that is evaluated regularly by the chief
operating decision maker in deciding how to allocate resources and in assessing
performance.

Both of these new standards are effective for financial statements for periods
beginning after December 15, 1997 and requires comparative information for
earlier years to be restated. Due to the recent issuance of these standards,
management has been unable to fully evaluate the impact, if any, they may have
on future financial statement disclosures.




                                       F-9

<PAGE>   12
5. SIGNIFICANT EVENT

Man Sang International Limited ("MSIL"), an indirect wholly-owned subsidiary of
the Company and a company incorporated on July 30, 1997 as an exempted company
under the Companies Act 1981 of Bermuda, applied for listing on The Stock
Exchange of Hong Kong Limited (the "Hong Kong Stock Exchange") of shares of
HK$0.1 each of the capital stock (the "Shares") and the warrants to purchase the
Shares (the "Warrants"), including, inter alia, 127.5 million Shares (the "New
Issue") to be offered and sold to the investing public in Hong Kong at HK$1.08
per share for an aggregate offering price of HK$137.7 million, together with the
Warrants in the proportion of one Warrant for every five Shares. Each Warrant
entitles the holder thereof to subscribe for one Share at an exercise price of
HK$1.3 each from the date of issue up to and including March 31, 1999.

On September 25, 1997, the Hong Kong Stock Exchange granted the listing and
permission to deal the Shares and the Warrants of MSIL and the trading of such
Shares and Warrants commenced on the Hong Kong Stock Exchange on September 26,
1997. Following the initial public offering of the New Issue, the Company holds,
through Man Sang International (B.V.I.) Limited, 73.02% or 345 million shares 
of the capital stock of MSIL, whereas the investors in Hong Kong participated
in the offering hold the remaining 26.98% or 127.5 million shares of the
capital stock of MSIL. In connection with the initial public offering of the
New Issue, the net proceeds of approximately HK$123.6 million were raised and
an interest income of approximately HK$11.4 million was earned from the funds
deposited for the subscription of the New Issue in the initial public offering.




                                      F-10
<PAGE>   13
ITEMS 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
         CONDITION AND RESULTS OF OPERATIONS

MATERIAL CHANGES AND RESULTS OF OPERATIONS

Net sales during the six-month period ended September 30, 1997 totalled HK$140.1
million, representing a 17.4% increase, compared to net sales of HK$119.3
million during the same period in 1996. The increase in net sales was mainly
attributable to the increase by 29.0% in the sales of cultured pearls during the
period over the same period in 1996.

Gross profit for the six-month period ended September 30, 1997 increased by
HK$11.5 million to HK$55.5 million, representing a 26.1% increase over the gross
profit of HK$44.0 million for the same period in 1996. As a percentage of net
sales, gross profit increased from 36.9% for the six-month period ended
September 30, 1996 to 39.7% for the same period in 1997. The increase in gross
profit and gross profit margin were resulted from increased sales and a large
proportion of sales of higher margin cultured pearls. Cultured pearls, including
Chinese cultured pearls, Japanese cultured pearls, Tahitian pearls and South Sea
pearls, represented 75.8% of net sales during the six-month period ended
September 30, 1997, compared with 68.0% during the same period in 1996.

Gross rental income for the six-month period ended September, 1997 increased by
HK$0.6 million to HK$2.9 million, representing a 26.1% increase from HK$2.3
million for the same period in 1996. The increase in gross rental income was due
to the improvement of the occupancy rate in the Man Sang Industrial City
facility located in Shenzhen, the People's Republic of China from 86.0% for the
six-month period ended September 30, 1996 to 93% for the same period in 1997.

Selling, general and administrative expenses ("SG & A") during the six-month
period ended September 30, 1997 totalled HK$29.0 million, consisting of HK$27.5
million attributable to pearl operations and HK$1.5 million attributable to real
estate operations, compared with HK$20.1 million, consisting of HK$18.6 million
attributable to pearl operations and HK$1.5 million attributable to real estate
operations, during the same period in 1996, an increase of HK$8.9 million, or
44.3%. The increase in SG & A was primarily due to increased salaries for
additional staff to support expanded operations, increased management
compensation for one additional executive officer, an accrual for a special
performance bonus of HK$2.5 million which was accrued at the end of fiscal 1997,
increased provision for legal and professional fees due to increasing legal and
professional fees expected to be incurred by MSIL, increased rental payments for
the current administrative office, increased depreciation expenses in connection
with the depreciation charged for certain fixed assets acquired in October 1996.
As a percentage of net sales, SG & A for pearl operations increased from 15.6%
for the six-month period ended September 30, 1996 to 19.7% for the same period
in 1997, while SG & A for real estate operations decreased from 1.3% for the
six-month period ended September 30, 1996 to 1.1% for the same period in 1997.


                                      - 1 -
<PAGE>   14
Gain on the disposal of fixed assets for the six-month period ended September
30, 1997 was HK$8.4 million which was principally derived from the sale of a
leasehold property ("Leasehold Property") on May 1, 1997 for HK$11.0 million.

Interest income for the six-month period ended September 30, 1997 increased by
HK$11.6 million to HK$11.9 million. The increase was primarily due to an
interest income derived from the funds deposited for the subscription of the New
Issue of MSIL.

Interest expense for the six-month period ended September 30, 1997 decreased by
HK$0.5 million to HK$2.5 million, representing a 16.7% decrease from the
interest expense of HK$3.0 million for the same period in 1996. The decrease was
due principally to the decrease in the short-term bank borrowings. The decrease
in short-term bank borrowings was due to the increased cash flow generated from
internal operations and the sale of the Leasehold Property. The Company's
average borrowing rate decreased to 9.7% per annum for the six-month period
ended September 30, 1997 from 10.7% per annum for the same period in 1996.

Income taxes for the six-month period ended September 30, 1997 increase by
HK$4.2 million to HK$5.1 million, representing a 466.7% increase from the income
taxes of HK$0.9 million for the same period in 1996. The significant increase in
the income taxes was due principally to the interest income of approximately
HK$11.4 million derived from the funds deposited for the subscription of the New
Issue of MSIL. Such interest income was treated as Subpart F income, taxable at
34% pursuant to the provisions of Section 951 through 964 of the Internal
Revenue Code of 1986, as amended.

Although the Company has experienced strong growth during the six-month period
ended September 30, 1997, the recent developments in the financial and currency
markets in Asia and the general state of economy in certain South East Asian
countries may affect, to a certain extent, the results of operations and
financial condition of the Company for the remaining of the fiscal 1998, as some
of the pearl products of the Company may be considered luxury consumer goods,
the demand for which may be affected by the changes in the overall demand for
luxury goods in Asian markets. However, because the Company produces, markets
and sells a full range of pearls and pearl jewelry products and the Company has
increased its marketing efforts in Europe and North America, resulting in Europe
and North America accounting for an increased share of the Company's net sales
for the six-month period ended September 30, 1997, compared with the same period
in 1996, the Company is positioned to minimize any material adverse impact such
recent developments in Asia may have on the Company.

Material Changes in Financial Condition, Liquidity and Capital Resources

At September 30, 1997, the Company had working capital of HK$ 279.1 million and
a cash balance of HK$ 153.2 million, compared with working capital of HK$115.0
million and a cash balance of HK$16.9 million at March 31, 1997. The significant
increase in working capital was attributable to the following reasons:


                                      - 2 -
<PAGE>   15
(a)      net proceeds of approximately HK$123.6 million were received from the
         New Issues of MSIL;

(b)      an interest income of about HK$11.4 million was earned from the funds
         deposited for the subscription of the New Issue of MSIL; and

(c)      a combination of increased cash flow generated from internal operations
         and the proceeds from the sale of the Leasehold Property during the
         period ended September 30, 1997.

In addition, the Company had available working capital facilities totalling
HK$88.1 million with various banks at September 30, 1997. Such banking
facilities include letter of credit arrangements, import loans, overdraft
protection and other facilities commonly utilized in jewelry business. All such
banking facilities bear interest at floating rates generally based on prime
lending rates and are subject to annual review. At September 30, 1997, the
Company had utilized approximately HK$45.9 million of its credit facilities with
HK$42.2 million unutilized.

The Company believes that funds to be generated from internal operations, the
existing banking facilities and the proceeds from the offering of the New Issue
will enable the Company to meet the working capital requirements in the
foreseeable future. Additionally, the Company intends to use the proceeds from
the initial public offering of MSIL to fund certain of its operating
subsidiaries to expand the processing facilities for Chinese cultured and
freshwater pearls, invest in pearl farms in major pearl producing countries,
expand the purchasing power and processing facilities for South Sea pearls and
Tahitian pearls, expand and promote the pearl jewellery business, improve and
develop bleaching and polishing techniques and fund additional general working
capital.


                                      - 3 -
<PAGE>   16
                           PART II. OTHER INFORMATION

ITEM 1.  LEGAL PROCEEDINGS

                  None

ITEM 2.  CHANGES IN SECURITIES

                  None

ITEM 3.  DEFAULTS UPON SENIOR SECURITIES

                  None

ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

On September 8, 1997, the 1997 annual meeting of shareholders of the Company was
held at the Company's principal place of business in Hong Kong. 2,750,000 shares
of common stock and 100,000 shares of Series A preferred stock, $.001 par value,
representing in aggregate 76% of voting power were present either in person or
by proxy. The following matters were submitted for voting in the meeting and
were approved by all shareholders holding such 76% of voting power:

1.       Election of eight directors of the Company nominated by the Board of
         Directors; and

2.       Ratification of the continuing appointment of Deloitte Touche Tohmatsu
         as the Company's independent accounts.

ITEM 5.  OTHER INFORMATION

                  None

ITEM 6.  EXHIBITS AND REPORT OF FORM 8-K

(A)      Exhibits

Exhibit No.       Description

3.1      Restated Articles of Incorporation of Man Sang Holdings, Inc.,
         including the Certificate of Designation, Preferences and Rights of a
         Series of 100,000 Shares of Preferred Stock, $.001 Par Value,
         Designated "Series A Preferred Stock", filed on January 12, 1996 (1)

3.2      Certificate of Designation, Preferences and Rights of a Series of
         100,000 Shares of Preferred Stock, $.001 Par Value, Designated "Series
         B Preferred Stock", dated April 1, 1996 (2)

                                      - 4 -
<PAGE>   17
3.3      Amended Bylaws of Man Sang Holdings, Inc., effective as of January 10,
         1996 (1)

10.1     Acquisition Agreement, Dated December __, 1995, between Unix Source
         America, Inc. and the Shareholders of Man Sang International (B.V.I.)
         Limited (1)

10.2     Tenancy Agreement, dated June 24, 1996, between Same Fast Limited and
         Man Sang Jewellery Company Limited (3)

10.3     Man Sang Holding, Inc. 1996 Stock Option Plan (3)

10.4     Service Agreement, dated September 8, 1997, between Man Sang
         International Limited and Cheng Chung Hing

10.5     Service Agreement, dated September 8, 1997, between Man Sang
         International Limited and Cheng Tai Po

10.6     Service Agreement, dated September 8, 1997, between Man Sang
         International Limited and Hung Kwok Wing

10.7     Service Agreement, dated September 8, 1997, between Man Sang
         International Limited and Sio Kam Seng

10.8     Service Agreement, dated September 8, 1997, between Man Sang
         International Limited and Ng Hak Yee

10.9     Service Agreement, dated September 8, 1997, between Man Sang
         International Limited and Yan Sau Man Amy

13.1     Annual report to security holders (4)

27.1     Financial data schedule

- --------------------------------------

(1)      Incorporated by reference to the exhibits filed with the Company's
         Current Report on Form 8-K dated January 8, 1996

(2)      Incorporated by reference to the exhibits filed with the Company's
         Registration Statement on Form 8-A dated June 17, 1996

(3)      Incorporated by reference to the exhibits filed with the Company's
         Quarterly Report on Form 10-QSB for the quarterly period ended December
         31, 1996



                                      - 5 -
<PAGE>   18
(4)      Incorporated by reference to the Form 10-KSB/A for the fiscal year
         ended March 31, 1997

(B)      Report on Form 8-K:

Form 8-K
Dated September 12, 1997
Item reported :  Item 5 - MSIL's initial public offering

Form 8-K/A
Date of earlier event reported:  September 12, 1997
Item reported:  Item 5 - MSIL's initial public offering


                                      - 6 -
<PAGE>   19
                                    SIGNATURE

         In accordance with the requirements of the Exchange Act, the registrant
has duly caused this report to be signed on its behalf by the undersigned,
thereunto duly authorized.


                                                      MAN SANG HOLDINGS, INC.


Date:    November 14, 1997
                                                      /s/ Patrick Ng
                                                      Patrick Ng
                                                      Chief Financial Officer


                                      - 7 -
<PAGE>   20
                                INDEX TO EXHIBITS

The following documents are filed herewith or have been included as exhibits to
previous filings with the Securities and Exchange Commission and are
incorporated by reference as indicated below.

Exhibit No.       Description

3.1      Restated Articles of Incorporation of Man Sang Holdings, Inc.,
         including the Certificate of Designation, Preferences and Rights of a
         Series of 100,000 Shares of Preferred Stock, $.001 Par Value,
         Designated "Series A Preferred Stock", filed on January 12, 1996 (1)

3.2      Certificate of Designation, Preferences and Rights of a Series of
         100,000 Shares of Preferred Stock, $.001 Par Value, Designated "Series
         B Preferred Stock", dated April 1, 1996 (2)

3.3      Amended Bylaws of Man Sang Holdings, Inc., effective as of January 10,
         1996 (1)

10.1     Acquisition Agreement, Dated December __, 1995, between Unix Source
         America, Inc. and the Shareholders of Man Sang International (B.V.I.)
         Limited (1)

10.2     Tenancy Agreement, dated June 24, 1996, between Same Fast Limited and
         Man Sang Jewellery Company Limited (3)

10.3     Man Sang Holding, Inc. 1996 Stock Option Plan (3)

10.4     Service Agreement, dated September 8, 1997, between Man Sang
         International Limited and Cheng Chung Hing

10.5     Service Agreement, dated September 8, 1997, between Man Sang
         International Limited and Cheng Tai Po

10.6     Service Agreement, dated September 8, 1997, between Man Sang
         International Limited and Hung Kwok Wing

10.7     Service Agreement, dated September 8, 1997, between Man Sang
         International Limited and Sio Kam Seng

10.8     Service Agreement, dated September 8, 1997, between Man Sang
         International Limited and Ng Hak Yee

10.9     Service Agreement, dated September 8, 1997, between Man Sang
         International Limited and Yan Sau Man Amy

13.1     Annual report to security holders (4)
<PAGE>   21
27.1     Financial data schedule

- --------------------------------------

(1)      Incorporated by reference to the exhibits filed with the Company's
         Current Report on Form 8-K dated January 8, 1996

(2)      Incorporated by reference to the exhibits filed with the Company's
         Registration Statement on Form 8-A dated June 17, 1996

(3)      Incorporated by reference to the exhibits filed with the Company's
         Quarterly Report on Form 10-QSB for the quarterly period ended December
         31, 1996

(4)      Incorporated by reference to the Form 10-KSB/A for the fiscal year
         ended March 31, 1997

<PAGE>   1
                      DATED THE 8TH DAY OF SEPTEMBER, 1997





                         MAN SANG INTERNATIONAL LIMITED



                                       AND



                                CHENG CHUNG HING



                                -----------------

                                SERVICE AGREEMENT

                                -----------------








                                 BAKER & McKENZIE
                           14th Floor Hutchison House
                                10 Harcourt Road
                                    Hong Kong

                                   (LKL/EC/IW)
<PAGE>   2
                                     CONTENT

CLAUSE                              DESCRIPTION                             PAGE
- ------                              -----------                             ----

1.       INTERPRETATION......................................................  1

2.       APPOINTMENT.........................................................  2

3.       DURATION............................................................  2

4.       EXECUTIVE'S DUTIES..................................................  2

5.       REMUNERATION........................................................  3

6.       OTHER BENEFITS......................................................  3

7.       EXPENSES............................................................  4

8.       DEDUCTIONS..........................................................  4

9.       LEAVE...............................................................  4

10.      TERMINATION.........................................................  5

11.      EXECUTIVE'S UNDERTAKINGS............................................  6

12.      INTELLECTUAL PROPERTY RIGHTS........................................  8

13.      MISCELLANEOUS.......................................................  9

EXECUTION.................................................................... 10
<PAGE>   3
THIS AGREEMENT is made on the 8th day of September, 1997


BETWEEN:

(1)      MAN SANG INTERNATIONAL LIMITED, a company incorporated under the laws
         of Bermuda and having its registered office at Clarendon House, 2
         Church Street, Hamilton HM 11, Bermuda and its principal place of
         business in Hong Kong at 21st Floor, Railway Plaza, 39 Chatham Road
         South, Tsim Sha Tsui, Kowloon, Hong Kong (the "Company"); and

(2)      CHENG CHUNG HING of Apartment 1, 17th Floor, Silvercrest, 24 MacDonnell
         Road, Hong Kong (the "Executive").


WHEREBY IT IS AGREED as follows:


1.       INTERPRETATION

1.01     In this Agreement, unless the context requires otherwise:

         "Board" means the board of directors for the time being
         of the Company;

         "Group" means the Company and its subsidiaries from time
         to time and "member of the Group" shall be construed
         accordingly;

         "HK$" means Hong Kong dollars;

         "Hong Kong" means the Hong Kong Special Administrative
         Region of the People's Republic of China;

         "Listing Rules" means the Rules Governing the Listing of Securities on
         The Stock Exchange of Hong Kong Limited (as the same may be amended
         from time to time);

         "month" means calendar month; and

         "subsidiary" has the meaning attributed to it in Section
         2 of the Companies Ordinance (Cap. 32 of the Laws of Hong
         Kong) (as amended from time to time).

1.02     References herein to Clauses are to clauses in this
         Agreement unless the context requires otherwise.

1.03     The headings are inserted for convenience only and shall
         not affect the construction of this Agreement.
<PAGE>   4
1.04     Unless the context requires otherwise, words importing the singular
         include the plural and vice versa and words importing a gender include
         every gender.


2.       APPOINTMENT

         The Company will employ the Executive and the Executive hereby agrees
         to serve the Company as an executive director upon the terms and
         subject to the conditions hereinafter appearing.


3.       DURATION

         Subject to termination as hereinafter provided, the Company will employ
         the Executive with effect from 1 September 1997 for an initial term of
         three (3) years until terminated by either party giving to the other
         not less than three (3) months' notice in writing.


4.       EXECUTIVE'S DUTIES

         The Executive shall, during the continuance of his employment
         hereunder:

         (a)      serve the Company as the Chairman and an executive
                  director and, in such capacity, perform the duties
                  and exercise the powers from time to time assigned
                  to or vested in him by the Board (including (without
                  further remuneration unless otherwise agreed)
                  serving on the board of directors, or in any other
                  office, of any member(s) of the Group, as the Board
                  may require) and he will perform those duties at
                  such place or places in Hong Kong or elsewhere as
                  the Board may from time to time determine;

         (b)      comply with and conform to any lawful instructions or
                  directions from time to time given or made by the Board, or
                  with the authority of the Board, and shall comply with the
                  Company's rules, regulations, policies and procedures from
                  time to time in force;

         (c)      faithfully and diligently serve the Group and use
                  his best endeavours to promote the business and
                  interests thereof;

         (d)      devote himself exclusively and diligently to the
                  business and interests of the Group and personally
                  attend thereto at all times during usual business
                  hours and during such other times as the Company may
                  reasonably require except in case of incapacity
                  through illness or accident in which case he shall
                  forthwith notify the Secretary of the Company of
                  such incapacity and shall furnish to the Board such
                  evidence thereof as it may require;
<PAGE>   5
         (e)      keep the Board promptly and fully informed (in writing if so
                  requested) of his conduct of the business or affairs of the
                  Group and provide such explanations as the Board may require
                  in connection therewith;

         (f)      carry out his duties and exercise his powers jointly with any
                  other director or executive of any member of the Group as
                  shall from time to time be appointed by the Board to act
                  jointly with the Executive and the Board may at any time
                  require the Executive to cease performing or exercising any of
                  his duties or powers under this Agreement; and

         (g)      comply with the relevant requirements of all applicable laws,
                  regulations, codes of practice and rules (including Securities
                  (Insider Dealing) Ordinance, the Rules Governing the Listing
                  of Securities on The Stock Exchange of Hong Kong Limited and
                  the Model Code for Securities Transactions by Directors of
                  Listed Companies set out in Appendix 10 therein and the rules
                  of any other stock exchange, market or dealing system on which
                  the securities of any member of the Group is traded and the
                  applicable laws, regulations, codes of practice in that
                  jurisdiction).


5.       REMUNERATION

         The remuneration of the Executive shall be:

         (a)      a monthly salary of HK$250,000.00 payable in arrears by no
                  later than the seventh day of the following month, such salary
                  to include any sum receivable as director's fees or other
                  remuneration from any other member of the Group (if any). This
                  salary will be reviewed by the Board in each year at the time
                  of the annual salary reviews for senior executives provided
                  that the Executive shall abstain from voting and shall not be
                  counted in the quorum in respect of any resolution regarding
                  the amount payable to himself in relation to his employment
                  under this Agreement which is proposed at any meeting of the
                  Board; and

         (b)      in respect of every financial year of the Company (which
                  expression shall include any other financial period in respect
                  of which the Company's accounts are made up), a discretionary
                  bonus of such amount as shall be determined by the Board
                  (provided that the aggregate of such amount and all
                  discretionary bonuses payable by the Company to its executive
                  directors in any financial year shall not exceed ten per cent.
                  of the net profits (after tax and after extraordinary items)
                  of the Company for such year as shown in its audited
                  accounts), payable within thirty (30) days after the Company's
                  accounts for the relevant year have been audited and
                  certified, provided that such discretionary bonus shall be
                  paid only on a pro rata basis in respect of any financial year
                  of the Company during a portion only of which the Executive
                  has served the Company hereunder, unless his employment shall
                  have been terminated pursuant to Clause 10.02, in which case
                  no discretionary bonus is payable.
<PAGE>   6
6.       OTHER BENEFITS

6.01     In addition to the foregoing remuneration and benefits, the Executive
         shall also be entitled to the following during the continuance of his
         employment hereunder, subject to determination by the Board as to the
         appropriate level of cost of each item:

         (a)      the use of a residential property of the Company for
                  accommodation as approved by the Board and the Company shall
                  pay all rates, government rents, utilities and other outgoings
                  for maintenance and repair in respect of the use of such
                  premises;

         (b)      the use (whether for business or personal purposes) of a motor
                  car of such type as may be approved by the Board and the
                  Company shall pay all vehicle registration fees, taxes and
                  insurance premiums in respect of the car and shall pay or
                  reimburse against receipts all maintenance, repair and other
                  running costs in respect of the car and the cost of petrol;
                  and

         (c)      the use of the corporate membership of the Group at Tower Club
                  and the payment of all entrance fees, debentures, monthly
                  subscriptions but not chits in connection therewith.

6.02     In addition to the above benefits, the Executive shall also be entitled
         to such other benefits under any applicable employee benefit plan and
         employee share option scheme adopted by the Company and any member of
         the Group of which the Executive is a director or holds office for
         their respective employees (including the Executive) as the Board shall
         from time to time determine.


7.       EXPENSES

         The Company shall reimburse the Executive (against receipts or such
         other reasonable evidence of expenditure as the Board may require) for
         all reasonable expenses properly incurred in the course of his
         employment hereunder or in promoting or otherwise in connection with
         the business of the Company.


8.       DEDUCTIONS

         The Company shall be entitled, subject to any laws or agreements to the
         contrary, at any time to deduct from the Executive's remuneration
         hereunder any monies due from him to any member of the Group including,
         but not limited to, any outstanding loans, advances, the cost of
         repairing any damage to or loss of the Company's property caused by him
         (and of recovering the same) and any other monies owed by him to the
         Company or any of its subsidiaries.
<PAGE>   7
9.       LEAVE

         The Executive shall be entitled after completion of each year of
         service with the Company to fifteen (15) days' leave (in addition to
         public holidays) with full pay, which leave shall be taken at such time
         or times as may be convenient to the Board having regard to the
         exigencies of the Group's business provided that:

         (a)      if the employment of the Executive hereunder is to cease on
                  the completion of any year of service, the Executive shall be
                  entitled to take his said leave immediately prior to the end
                  of such year of service notwithstanding that at that time such
                  year of service shall not have been completed;

         (b)      if the employment of the Executive hereunder is to cease (for
                  any reason other than termination pursuant to Clause 10.02)
                  during any year of service, the Executive shall be entitled to
                  an amount of leave proportionate to the part of the year
                  during which he has been employed by the Company, such leave
                  to be taken immediately prior to the termination of his
                  employment; and

         (c)      if for any reason the Executive shall not have taken his full
                  entitlement of leave in any particular year he shall not have
                  any claim against the Company in respect thereof nor, unless
                  the reason is the exigencies of the Company's business (of
                  which the Board shall be the sole judge), shall he be entitled
                  to additional leave in any year in respect of leave not taken
                  in previous years.


10.      TERMINATION

10.01    If the Executive is at any time incapacitated by illness, injury or
         accident from performing his duties hereunder and (if so required)
         furnishes the Board with evidence satisfactory to it of such incapacity
         and the cause thereof he shall be entitled to receive his full salary
         for the first three (3) months or any shorter period during which such
         incapacity continues and if he continues so incapacitated for a longer
         period than three (3) consecutive months or if he is so incapacitated
         at different times for more than ninety (90) days in any one period of
         fifty-two (52) consecutive weeks then and in either of such cases his
         employment may be terminated by the Company by one (1) month's notice
         in writing.

10.02    If at any time during the term of his employment hereunder the
         Executive shall be guilty of or commit any serious misconduct which in
         the absolute opinion of the Board is in any way detrimental to the
         interests of any member of the Group, or shall be in breach of any of
         the terms of this Agreement, or shall commit any act of bankruptcy or
         become insolvent, or make any arrangements or composition with his
         creditors generally, or become through mental disorder incapable of
         managing his own affairs, or fail to pay his personal debts or shall be
         guilty of persistent insobriety or be convicted of any criminal offence
         involving his integrity or honesty, the Company may terminate the
         Executive's employment hereunder forthwith without any notice or
         payment in lieu of notice and upon such termination, the Executive
         shall not be entitled
<PAGE>   8
         to any bonus or any payment whatsoever (other than salary actually
         accrued due and payable pursuant to Clause 5(a)) for or in respect of
         the then current year of service or to claim any compensation or
         damages for or in respect of or by reason of such termination.

10.03    In the event that: (a) the Executive is lawfully removed from his
         office as a director of the Company by virtue of a resolution passed by
         the members of the Company; or (b) the Executive, having retired from
         the office of director of the Company in accordance with the Bye-laws
         of the Company or any other applicable regulation or law, is not
         re-elected as a director of the Company by the shareholders of the
         Company at an annual general meeting of the Company, the Company may
         within seven (7) days of the date of such vacation from office by the
         Executive, terminate this Agreement forthwith by written notice to the
         Executive.

10.04    In the event of termination of the Executive's employment for whatever
         reason, the Executive shall:

         (a)      (if not already vacated from such office(s)) forthwith resign
                  as a director of the Company and from all directorships or
                  other offices held by him in any member of the Group (and the
                  Executive irrevocably authorises the Company in his name and
                  on his behalf to execute all documents and do all things
                  necessary to effect such resignation in the event of his
                  failure to do so);

         (b)      shall cease to be entitled to any benefits under this
                  Agreement;

         (c)      immediately return the car provided by the Company under
                  Clause 6.01(b) and the keys in respect thereof to the Company
                  at its principal place of business in Hong Kong or such other
                  place in Hong Kong as the Company may reasonably request; and

         (d)      immediately vacate from the residential property of the
                  Company provided for use by the Executive pursuant to Clause
                  6.01(a) and forthwith return the keys in respect thereof to
                  the Company at its principal place of business in Hong Kong or
                  such other place in Hong Kong as the Company may reasonably
                  request

         and the Executive shall not be entitled to claim any other compensation
         whatsoever from the Company in respect of such termination except where
         the Board otherwise agrees or as expressly provided for under this
         Agreement.

10.05    Any delay or forbearance by the Company in exercising any right to
         terminate this Agreement shall not constitute a waiver of such right.

10.06    If notice is served by either party pursuant to Clause 3, then for up
         to a maximum period of three (3) months, the Company shall not be
         obliged, at any time after the notice of termination is served, to
         provide any work for the Executive or to assign to or vest in the
         Executive any powers, duties or functions and may in its absolute
<PAGE>   9
         discretion suspend the Executive from work, and suspend the contractual
         benefits of the Executive set out in Clause 5(b) and 6 and to require
         the Executive to refrain from entering any premises of any member(s) of
         the Group and to refrain from contacting any customers, clients,
         employees or suppliers of any member(s) of the Group.


11.      EXECUTIVE'S UNDERTAKINGS

11.01    The Executive agrees to take good care of the car supplied by the
         Company under Clause 6.01(b) and the residential property provided by
         the Company under the Clause 6.01(a), and to ensure that the terms and
         conditions of the insurance policies in respect of the car and the
         residential property are observed.

11.02    The Executive shall not either during the continuance of his employment
         hereunder or at any time thereafter divulge to any person whomsoever or
         to any body corporate or unincorporated (except to those officers of
         the Group whose province it is to know the same) or use for his own
         purposes or for any purposes other than those of the Group and shall
         use his best endeavours to prevent the unauthorised publication or
         disclosure of any trade secret or any confidential information
         concerning the business or finances of any member of the Group or any
         of its dealings, transactions or affairs or those of its customers,
         suppliers, management and shareholders which may come to his knowledge
         during or in the course of his employment. Confidential information
         shall include, without limitation, lists or details of customers and
         suppliers, information relating to the working of any process of
         invention carried on or used by any member of the Group, information
         relating to research and other projects, prices, discounts, mark-ups,
         future business strategy and development, marketing, price-sensitive
         information and any other information which is not generally available
         to the public.

11.03    Forthwith upon the termination of the employment of the Executive
         hereunder, and/or at any other time if the Company shall so request,
         the Executive shall deliver to the Company all documents (including
         correspondence, lists of customers, notes, memoranda, plans, drawings
         and other documents of whatsoever nature), models or samples made or
         compiled by or delivered to the Executive during his employment
         hereunder and concerning the business, finances or affairs of any
         member of the Group and credit cards and any equipment used by or made
         available to the Executive by the Company or any member of the Group.
         For the avoidance of doubt it is hereby declared that the property in
         all such documents as aforesaid shall at all times be vested in the
         relevant member of the Group.

11.04    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter,
         in any country or place where any member of the Group has carried on
         business, carry on or be employed or interested directly or indirectly
         in (whether as shareholder, director, partner, agent or otherwise and
         whether alone or jointly with others) any business carried on by any
         member of the Group during the continuance of the said employment in
         competition with any member of the Group (other than as a holder of not
         more than five (5) per cent of the issued shares, debentures or other
         securities of any company listed on any
<PAGE>   10
         recognised stock exchange) provided that the provisions of this Clause
         11.04 shall only apply in respect of business activities or services
         with which the Executive was personally concerned or for which he was
         responsible during his said employment.

11.05    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter
         either on his own account or in conjunction with or on behalf of any
         other person or body corporate or unincorporated in competition with
         any member of the Group directly or indirectly solicit or entice away
         from any member of the Group, any person or body corporate or
         unincorporated who now is or at any time during or at the date of the
         termination of the said employment may have been or become a customer
         or supplier or prospective customer or supplier of any member of the
         Group and with whom the Executive had personal contact or dealings
         during his said employment.

11.06    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter
         solicit or entice away from any member of the Group or employ or
         otherwise engage any person who now is or at any time during or at the
         date of the termination of the said employment may have become an
         employee of any member of the Group and with whom the Executive had
         contact during his said employment, whether or not such person would
         commit any breach of his contract of employment by reason of leaving
         the service of the relevant member of the Group.

11.07    The Executive shall not at any time or for any purpose after
         termination of his employment hereunder use either the English or
         Chinese name of the Company or any name similar thereto in connection
         with his own or any other name in any way calculated to suggest that he
         is or has been connected with the Company's business, nor in any way
         hold himself out as having had any such connection.

11.08    While the restrictions contained in Clauses 11.02 to 11.07 are
         considered by the parties to be reasonable for the protection of the
         business and interest of the Group and in all the circumstances and do
         not work harshly upon the Executive it is recognised that restrictions
         of the nature in question may fail for technical reasons unforeseen and
         accordingly it is hereby agreed and declared that if any such
         restrictions shall be adjudged to be void as going beyond what is
         reasonable in all the circumstances for the protection of the interests
         of the member(s) of the Group but would be valid if part of the wording
         thereof were deleted or the periods (if any) thereof were reduced or
         the range of products or area dealt with thereby were reduced in scope,
         the said restriction shall apply with such modifications as may be
         necessary to make it valid and effective.


12.      INTELLECTUAL PROPERTY RIGHTS

12.01    The Company (or any other member of the Group as the case may be) shall
         be entitled free of charge to the sole ownership and exclusive use of
         any invention or improvement made or discovered by the Executive and of
         any copyright, design right, trade mark, service mark or trade name
         created or used by the Executive (hereinafter referred to
<PAGE>   11
         as the "intellectual property rights") in the course of or for the
         purpose of providing services hereunder to the Company or any other
         member of the Group.

12.02    The Executive shall forthwith and from time to time both during and
         after the term of this Agreement and at the request and cost of the
         Company, insofar as it is within his power, do such acts and things and
         execute such documents, as may in the opinion of the Company be
         reasonably necessary for obtaining letters patent, registration or
         other protection for any such intellectual property rights in any part
         of the world and shall effect such registration and vest such letters
         patent or other protection in the Company (or any other member of the
         Group as the case may be) or its nominees. The Executive irrevocably
         authorises the Company for the purposes aforesaid in the name of the
         Executive and execute any document or do anything on his behalf. The
         Executive shall at the cost and request of the Company render all
         reasonable assistance to the Company (or any other member of the Group
         as the case may be) for and in connection with the purposes aforesaid.

12.03    The Executive shall not during or after the termination of the
         Agreement use to the detriment or prejudice of the Group or divulge to
         any person any confidential information concerning the intellectual
         property rights of the Group which may have come to his knowledge.


13.      MISCELLANEOUS

13.01    This Agreement shall be in substitution for any subsisting agreement or
         arrangement (oral or otherwise) made between the Company and the
         Executive which shall be deemed to have been terminated by mutual
         consent as from the date on which the Executive's employment under this
         Agreement commences.

13.02    The expiration or termination of this Agreement howsoever arising shall
         not operate to affect such of the provisions hereof as in accordance
         with their terms are expressed to operate or have effect thereafter.

13.03    In the event of any variation of the remuneration payable to the
         Executive hereunder being made by consent of the parties hereto, such
         variation shall not constitute a new agreement but (subject to any
         express agreement to the contrary) the employment of the Executive
         hereunder shall continue subject in all respects to the terms and
         conditions of this Agreement with such variation as aforesaid.

13.04    Each notice, demand or other communication given or made under this
         Agreement shall be in writing and delivered or sent to the relevant
         party at its address or facsimile number set out below (or such other
         address or facsimile number as the addressee has by five (5) days'
         prior written notice specified to the other parties):

         To the Company:                    Man Sang International Limited
                                            21st Floor, Railway Plaza
                                            39 Chatham Road South
<PAGE>   12
                                            Tsim Sha Tsui, Kowloon
                                            Hong Kong
                                            Fax number:  (852) 2317 5243
                                            Attention:  Mr. Cheng Tai Po

         To the Executive:                  Cheng Chung Hing
                                            Apartment 1, 17th Floor, Silvercrest
                                            24 MacDonnell Road
                                            Hong Kong

         Any notice, demand or other communication so addressed to the relevant
         party shall be deemed to have been delivered (a) if given or made by
         letter, by post, two (2) clear business days after the date of posting,
         or by recorded delivery, when actually delivered to the relevant
         address; and (b) if given or made by facsimile, when despatched subject
         to receipt of machine-printed confirmation of error-free despatch of
         the whole of the notice, demand or communication to the facsimile
         number of the intended addressee.

13.05    If at any time any provision of this Agreement is or becomes illegal,
         invalid or unenforceable in any respect, the legality, validity and
         enforceability of the remaining provisions of this Agreement shall not
         be affected or impaired thereby.

13.06    No failure or delay by the Company in exercising any right, power or
         remedy under this Agreement shall operate as a waiver thereof, nor
         shall any single or partial exercise of the same preclude any further
         exercise thereof or the exercise of any other right, power or remedy.
         Without limiting the foregoing, no waiver by the Company of any breach
         by the Executive of any provision in this Agreement shall be deemed to
         be a waiver of any subsequent breach of that or any other provision in
         this Agreement.

13.07    This Agreement shall be governed by and construed in accordance with
         the laws of Hong Kong and the parties hereby irrevocably submit to the
         non-exclusive jurisdiction of the Hong Kong courts.


IN WITNESS WHEREOF this Agreement has been executed on the day and year first
above written.


SIGNED by                       )
                                )
for and on behalf of MAN SANG   )
INTERNATIONAL LIMITED           )
in the presence of:             )
<PAGE>   13
SIGNED by                       )
CHENG CHUNG HING                )
in the presence of:             )

<PAGE>   1
                      DATED THE 8TH DAY OF SEPTEMBER, 1997





                         MAN SANG INTERNATIONAL LIMITED



                                       AND



                                  CHENG TAI PO






                                -----------------

                                SERVICE AGREEMENT

                                -----------------











                                 BAKER & McKENZIE
                           14th Floor Hutchison House
                                10 Harcourt Road
                                    Hong Kong

                                   (LKL/EC/IW)
<PAGE>   2
                                     CONTENT

CLAUSE                              DESCRIPTION                             PAGE
- ------                              -----------                             ----

1.       INTERPRETATION.....................................................   1

2.       APPOINTMENT........................................................   2

3.       DURATION...........................................................   2

4.       EXECUTIVE'S DUTIES.................................................   2

5.       REMUNERATION.......................................................   3

6.       OTHER BENEFITS.....................................................   3

7.       EXPENSES...........................................................   4

8.       DEDUCTIONS.........................................................   4

9.       LEAVE..............................................................   4

10.      TERMINATION........................................................   5

11.      EXECUTIVE'S UNDERTAKINGS...........................................   6

12.      INTELLECTUAL PROPERTY RIGHTS.......................................   8

13.      MISCELLANEOUS......................................................   8

EXECUTION...................................................................  10
<PAGE>   3
THIS AGREEMENT is made on the 8th day of September, 1997


BETWEEN:

(1)      MAN SANG INTERNATIONAL LIMITED a company incorporated under the laws of
         Bermuda and having its registered office at Clarendon House, 2 Church
         Street, Hamilton HM11, Bermuda and its principal place of business in
         Hong Kong at 21st Floor, Railway Plaza, 39 Chatham Road South, Tsim Sha
         Tsui, Kowloon, Hong Kong (the "Company"); and

(2)      CHENG TAI PO of Flat A, 22nd Floor, Park Mansion, 27-29 MacDonnell
         Road, Hong Kong (the "Executive").


WHEREBY IT IS AGREED as follows:

1.       INTERPRETATION

1.01     In this Agreement, unless the context requires otherwise:

         "Board" means the board of directors for the time being of the Company;

         "Group" means the Company and its subsidiaries from time to time and
         "member of the Group" shall be construed accordingly;

         "HK$" means Hong Kong dollars;

         "Hong Kong" means the Hong Kong Special Administrative Region of the
         People's Republic of China;

         "Listing Rules" means the Rules Governing the Listing of Securities on
         The Stock Exchange of Hong Kong Limited (as the same may be amended
         from time to time); and

         "month" means calendar month.

1.02     References herein to Clauses are to clauses in this Agreement unless
         the context requires otherwise.

1.03     The headings are inserted for convenience only and shall not affect the
         construction of this Agreement.

1.04     Unless the context requires otherwise, words importing the singular
         include the plural and vice versa and words importing a gender include
         every gender.
<PAGE>   4
2.       APPOINTMENT

         The Company will employ the Executive and the Executive hereby agrees
         to serve the Company as an executive director upon the terms and
         subject to the conditions hereinafter appearing.


3.       DURATION

         Subject to termination as hereinafter provided, the Company will employ
         the Executive with effect from 1 September 1997 for an initial term of
         three (3) years until terminated by either party giving to the other
         not less than three (3) months' notice in writing.


4.       EXECUTIVE'S DUTIES

         The Executive shall, during the continuance of his employment
hereunder:

         (a)      serve the Company as Vice Chairman and an executive director
                  and, in such capacity, perform the duties and exercise the
                  powers from time to time assigned to or vested in him by the
                  Board (including (without further remuneration unless
                  otherwise agreed) serving on the board of directors, or in any
                  other office, of any member(s) of the Group, as the Board may
                  require) and he will perform those duties at such place or
                  places in Hong Kong or elsewhere as the Board may from time to
                  time determine;

         (b)      comply with and conform to any lawful instructions or
                  directions from time to time given or made by the Board, or
                  with the authority of the Board, and shall comply with the
                  Company's rules, regulations, policies and procedures from
                  time to time in force;

         (c)      faithfully and diligently serve the Group and use his best
                  endeavours to promote the business and interests thereof;

         (d)      devote himself exclusively and diligently to the business and
                  interests of the Group and personally attend thereto at all
                  times during usual business hours and during such other times
                  as the Company may reasonably require except in case of
                  incapacity through illness or accident in which case he shall
                  forthwith notify the Secretary of the Company of such
                  incapacity and shall furnish to the Board such evidence
                  thereof as it may require;

         (e)      keep the Board promptly and fully informed (in writing if so
                  requested) of his conduct of the business or affairs of the
                  Group and provide such explanations as the Board may require
                  in connection therewith;
<PAGE>   5
         (f)      carry out his duties and exercise his powers jointly with any
                  other director or executive of any member of the Group as
                  shall from time to time be appointed by the Board to act
                  jointly with the Executive and the Board may at any time
                  require the Executive to cease performing or exercising any of
                  his duties or powers under this Agreement; and

         (g)      comply with the relevant requirements of all applicable laws,
                  regulations, codes of practice and rules (including Securities
                  (Insider Dealing) Ordinance, the Rules Governing the Listing
                  of Securities on The Hong Kong Stock Exchange Limited and the
                  Model Code for Securities Transactions by Directors of Listed
                  Companies set out in Appendix 10 therein and the rules of any
                  other stock exchange, market or dealing system on which the
                  securities of any member of the Group is traded and the
                  applicable laws, regulations, codes of practice in that
                  jurisdiction).


5.       REMUNERATION

         The remuneration of the Executive shall be:

         (a)      a monthly salary of HK$250,000.00 payable in arrears by no
                  later than the seventh day of the following month, such salary
                  to include any sum receivable as director's fees or other
                  remuneration from any other member of the Group (if any). This
                  salary will be reviewed by the Board in each year at the time
                  of the annual salary reviews for senior executives provided
                  that the Executive shall abstain from voting and shall not be
                  counted in the quorum in respect of any resolution regarding
                  the amount payable to himself in relation to his employment
                  under this Agreement which is proposed at any meeting of the
                  Board;

         (b)      in respect of every financial year of the Company (which
                  expression shall include any other financial period in respect
                  of which the Company's accounts are made up), a discretionary
                  bonus of such amount as shall be determined by the Board
                  (provided that the aggregate of such amount and all
                  discretionary bonuses payable by the Company to its executive
                  directors in any financial year shall not exceed ten per cent.
                  of the net profits (after tax and after extraordinary items)
                  of the Company for such year as shown in its audited
                  accounts), payable within thirty (30) days after the Company's
                  accounts for the relevant year have been audited and
                  certified, provided that such discretionary bonus shall be
                  paid only on a pro rata basis in respect of any financial year
                  of the Company during a portion only of which the Executive
                  has served the Company hereunder, unless his employment shall
                  have been terminated pursuant to Clause 10.02, in which case
                  no discretionary bonus is payable.


6.       OTHER BENEFITS
<PAGE>   6
6.01     In addition to the foregoing remuneration and benefits, the Executive
         shall also be entitled to the use (whether for business or personal
         purposes) of a motor car of such type as may be approved by the Board
         and the Company shall pay all vehicle registration fees, taxes and
         insurance premiums in respect of the car and shall pay or reimburse
         against receipts all maintenance, repair and other running costs in
         respect of the car and the cost of petrol during the continuance of his
         employment hereunder, subject to determination by the Board as to the
         appropriate level of cost of each item.

6.02     In addition to the above benefits, the Executive shall also be entitled
         to such other benefits under any applicable employee benefit plan and
         employee share option scheme adopted by the Company and any member of
         the Group of which the Executive is a director or holds office for
         their respective employees (including the Executive) as the Board shall
         from time to time determine.


7.       EXPENSES

         The Company shall reimburse the Executive (against receipts or such
         other reasonable evidence of expenditure as the Board may require) for
         all reasonable expenses properly incurred in the course of his
         employment hereunder or in promoting or otherwise in connection with
         the business of the Company.


8.       DEDUCTIONS

         The Company shall be entitled, subject to any laws or agreements to the
         contrary, at any time to deduct from the Executive's remuneration
         hereunder any monies due from him to any member of the Group including,
         but not limited to, any outstanding loans, advances, the cost of
         repairing any damage to or loss of the Company's property caused by him
         (and of recovering the same) and any other monies owed by him to the
         Company or any of its subsidiaries.


9.       LEAVE

         The Executive shall be entitled after completion of each year of
         service with the Company to fifteen (15) days' leave (in addition to
         public holidays) with full pay, which leave shall be taken at such time
         or times as may be convenient to the Board having regard to the
         exigencies of the Group's business provided that:

         (a)      if the employment of the Executive hereunder is to cease on
                  the completion of any year of service, the Executive shall be
                  entitled to take his said leave immediately prior to the end
                  of such year of service notwithstanding that at that time such
                  year of service shall not have been completed;

         (b)      if the employment of the Executive hereunder is to cease (for
                  any reason other than termination pursuant to Clause 10.02)
                  during any year of service, the
<PAGE>   7
                  Executive shall be entitled to an amount of leave
                  proportionate to the part of the year during which he has been
                  employed by the Company, such leave to be taken immediately
                  prior to the termination of his employment; and

         (c)      if for any reason the Executive shall not have taken his full
                  entitlement of leave in any particular year he shall not have
                  any claim against the Company in respect thereof nor, unless
                  the reason is the exigencies of the Company's business (of
                  which the Board shall be the sole judge), shall he be entitled
                  to additional leave in any year in respect of leave not taken
                  in previous years.


10.      TERMINATION

10.01    If the Executive is at any time incapacitated by illness, injury or
         accident from performing his duties hereunder and (if so required)
         furnishes the Board with evidence satisfactory to it of such incapacity
         and the cause thereof he shall be entitled to receive his full salary
         for the first three (3) months or any shorter period during which such
         incapacity continues and if he continues so incapacitated for a longer
         period than three (3) consecutive months or if he is so incapacitated
         at different times for more than ninety (90) days in any one period of
         fifty-two (52) consecutive weeks then and in either of such cases his
         employment may be terminated by the Company by one (1) month's notice
         in writing.

10.02    If at any time during the term of his employment hereunder the
         Executive shall be guilty of or commit any serious misconduct which in
         the absolute opinion of the Board is in any way detrimental to the
         interests of any member of the Group, or shall be in breach of any of
         the terms of this Agreement, or shall commit any act of bankruptcy or
         become insolvent, or make any arrangements or composition with his
         creditors generally, or become through mental disorder incapable of
         managing his own affairs, or fail to pay his personal debts or shall be
         guilty of persistent insobriety or be convicted of any criminal offence
         involving his integrity or honesty, the Company may terminate the
         Executive's employment hereunder forthwith without any notice or
         payment in lieu of notice and upon such termination, the Executive
         shall not be entitled to any bonus or any payment whatsoever (other
         than salary actually accrued due and payable pursuant to Clause 5(a))
         for or in respect of the then current year of service or to claim any
         compensation or damages for or in respect of or by reason of such
         termination.

10.03    In the event that: (a) the Executive is lawfully removed from his
         office as a director of the Company by virtue of a resolution passed by
         the members of the Company; or (b) the Executive, having retired from
         the office of director of the Company in accordance with the Bye-laws
         of the Company or any other applicable regulation or law, is not
         re-elected as a director of the Company by the shareholders of the
         Company at an annual general meeting of the Company, the Company may
         within seven (7) days of the date of such vacation from office by the
         Executive, terminate this Agreement forthwith by written notice to the
         Executive.
<PAGE>   8
10.04    In the event of termination of the Executive's employment for whatever
         reason, the Executive shall:

         (a)      (if not already vacated from such office(s)) forthwith resign
                  as a director of the Company and from all directorships or
                  other offices held by him in any member of the Group (and the
                  Executive irrevocably authorises the Company in his name and
                  on his behalf to execute all documents and do all things
                  necessary to effect such resignation in the event of his
                  failure to do so);

         (b)      shall cease to be entitled to any benefits under this
                  Agreement; and

         (c)      immediately return the car provided by the Company under
                  Clause 6.01 and the keys in respect thereof to the Company at
                  its principal place of business in Hong Kong or such other
                  place in Hong Kong as the Company may reasonably request

         and the Executive shall not be entitled to claim any other compensation
         whatsoever from the Company in respect of such termination except where
         the Board otherwise agrees or as expressly provided for under this
         Agreement.

10.05    Any delay or forbearance by the Company in exercising any right to
         terminate this Agreement shall not constitute a waiver of such right.

10.06    If notice is served by either party pursuant to Clause 3, then for up
         to a maximum period of three (3) months, the Company shall not be
         obliged, at any time after the notice of termination is served, to
         provide any work for the Executive or to assign to or vest in the
         Executive any powers, duties or functions and may in its absolute
         discretion suspend the Executive from work, and suspend the contractual
         benefits of the Executive set out in Clauses 5(b) and 6 and to require
         the Executive to refrain from entering any premises of any member(s) of
         the Group and to refrain from contacting any customers, clients,
         employees or suppliers of any member(s) of the Group.


11.      EXECUTIVE'S UNDERTAKINGS

11.01    The Executive agrees to take good care of the car supplied by the
         Company under Clause 6.01 and to ensure that the terms and conditions
         of any insurance policy in respect thereof are observed.

11.02    The Executive shall not either during the continuance of his employment
         hereunder or at any time thereafter divulge to any person whomsoever or
         to any body corporate or unincorporated (except to those officers of
         the Group whose province it is to know the same) or use for his own
         purposes or for any purposes other than those of the Group and shall
         use his best endeavours to prevent the unauthorised publication or
         disclosure of any trade secret or any confidential information
         concerning the business or finances of any member of the Group or any
         of its dealings, transactions or affairs or those of its customers,
         suppliers, management and shareholders which may come to his
<PAGE>   9
         knowledge during or in the course of his employment. Confidential
         information shall include, without limitation, lists or details of
         customers and suppliers, information relating to the working of any
         process of invention carried on or used by any member of the Group,
         information relating to research and other projects, prices, discounts,
         mark-ups, future business strategy and development, marketing,
         price-sensitive information and any other information which is not
         generally available to the public.

11.03    Forthwith upon the termination of the employment of the Executive
         hereunder, and/or at any other time if the Company shall so request,
         the Executive shall deliver to the Company all documents (including
         correspondence, lists of customers, notes, memoranda, plans, drawings
         and other documents of whatsoever nature), models or samples made or
         compiled by or delivered to the Executive during his employment
         hereunder and concerning the business, finances or affairs of any
         member of the Group and credit cards and any equipment used by or made
         available to the Executive by the Company or any member of the Group.
         For the avoidance of doubt it is hereby declared that the property in
         all such documents as aforesaid shall at all times be vested in the
         relevant member of the Group.

11.04    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter,
         in any country or place where any member of the Group has carried on
         business, carry on or be employed or interested directly or indirectly
         in (whether as shareholder, director, partner, agent or otherwise and
         whether alone or jointly with others) any business carried on by any
         member of the Group during the continuance of the said employment in
         competition with any member of the Group (other than as a holder of not
         more than five (5) per cent of the issued shares, debentures or other
         securities of any company listed on any recognised stock exchange)
         provided that the provisions of this Clause 11.04 shall only apply in
         respect of business activities or services with which the Executive was
         personally concerned or for which he was responsible during his said
         employment.

11.05    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter
         either on his own account or in conjunction with or on behalf of any
         other person or body corporate or unincorporated in competition with
         any member of the Group directly or indirectly solicit or entice away
         from any member of the Group, any person or body corporate or
         unincorporated who now is or at any time during or at the date of the
         termination of the said employment may have been or become a customer
         or supplier or prospective customer or supplier of any member of the
         Group and with whom the Executive had personal contact or dealings
         during his said employment.

11.06    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter
         solicit or entice away from any member of the Group or employ or
         otherwise engage any person who now is or at any time during or at the
         date of the termination of the said employment may have become an
         employee of any member of the Group and with whom the Executive had
         contact during his said employment, whether or not such person would
         commit any
<PAGE>   10
         breach of his contract of employment by reason of leaving the service
         of the relevant member of the Group.

11.07    The Executive shall not at any time or for any purpose after
         termination of his employment hereunder use either the English or
         Chinese name of the Company or any name similar thereto in connection
         with his own or any other name in any way calculated to suggest that he
         is or has been connected with the Company's business, nor in any way
         hold himself out as having had any such connection.

11.08    While the restrictions contained in Clauses 11.02 to 11.07 are
         considered by the parties to be reasonable for the protection of the
         business and interest of the Group and in all the circumstances and do
         not work harshly upon the Executive it is recognised that restrictions
         of the nature in question may fail for technical reasons unforeseen and
         accordingly it is hereby agreed and declared that if any such
         restrictions shall be adjudged to be void as going beyond what is
         reasonable in all the circumstances for the protection of the interests
         of the member(s) of the Group but would be valid if part of the wording
         thereof were deleted or the periods (if any) thereof were reduced or
         the range of products or area dealt with thereby were reduced in scope,
         the said restriction shall apply with such modifications as may be
         necessary to make it valid and effective.


12.      INTELLECTUAL PROPERTY RIGHTS

12.01    The Company (or any other member of the Group as the case may be) shall
         be entitled free of charge to the sole ownership and exclusive use of
         any invention or improvement made or discovered by the Executive and of
         any copyright, design right, trade mark, service mark or trade name
         created or used by the Executive (hereinafter referred to as the
         "intellectual property rights") in the course of or for the purpose of
         providing services hereunder to the Company or any other member of the
         Group.

12.02    The Executive shall forthwith and from time to time both during and
         after the term of this Agreement and at the request and cost of the
         Company, insofar as it is within his power, do such acts and things and
         execute such documents, as may in the opinion of the Company be
         reasonably necessary for obtaining letters patent, registration or
         other protection for any such intellectual property rights in any part
         of the world and shall effect such registration and vest such letters
         patent or other protection in the Company (or any other member of the
         Group as the case may be) or its nominees. The Executive irrevocably
         authorises the Company for the purposes aforesaid in the name of the
         Executive and execute any document or do anything on his behalf. The
         Executive shall at the cost and request of the Company render all
         reasonable assistance to the Company (or any other member of the Group
         as the case may be) for and in connection with the purposes aforesaid.

12.03    The Executive shall not during or after the termination of the
         Agreement use to the detriment or prejudice of the Group or divulge to
         any person any confidential information concerning the intellectual
         property rights of the Group which may have come to his knowledge.
<PAGE>   11
13.      MISCELLANEOUS

13.01    This Agreement shall be in substitution for any subsisting agreement or
         arrangement (oral or otherwise) made between the Company and the
         Executive which shall be deemed to have been terminated by mutual
         consent as from the date on which the Executive's employment under this
         Agreement commences.

13.02    The expiration or termination of this Agreement howsoever arising shall
         not operate to affect such of the provisions hereof as in accordance
         with their terms are expressed to operate or have effect thereafter.

13.03    In the event of any variation of the remuneration payable to the
         Executive hereunder being made by consent of the parties hereto, such
         variation shall not constitute a new agreement but (subject to any
         express agreement to the contrary) the employment of the Executive
         hereunder shall continue subject in all respects to the terms and
         conditions of this Agreement with such variation as aforesaid.

13.04    Each notice, demand or other communication given or made under this
         Agreement shall be in writing and delivered or sent to the relevant
         party at its address or facsimile number set out below (or such other
         address or facsimile number as the addressee has by five (5) days'
         prior written notice specified to the other parties):

         To the Company:                    Man Sang International Limited
                                            21st Floor, Railway Plaza
                                            39 Chatham Road South
                                            Tsim Sha Tsui, Kowloon
                                            Hong Kong
                                            Fax number:  (852) 2317 5243
                                            Attention:  Mr. Cheng Chung Hing

         To the Executive:                  Cheng Tai Po
                                            Flat A, 22nd Floor, Park Mansion
                                            27-29 MacDonnell Road
                                            Hong Kong

         Any notice, demand or other communication so addressed to the relevant
         party shall be deemed to have been delivered (a) if given or made by
         letter, by post, two (2) clear business days after the date of posting,
         or by recorded delivery, when actually delivered to the relevant
         address; and (b) if given or made by facsimile, when despatched subject
         to receipt of machine-printed confirmation of error-free despatch of
         the whole of the notice, demand or communication to the facsimile
         number of the intended addressee.

13.05    If at any time any provision of this Agreement is or becomes illegal,
         invalid or unenforceable in any respect, the legality, validity and
         enforceability of the remaining provisions of this Agreement shall not
         be affected or impaired thereby.
<PAGE>   12
13.06    No failure or delay by the Company in exercising any right, power or
         remedy under this Agreement shall operate as a waiver thereof, nor
         shall any single or partial exercise of the same preclude any further
         exercise thereof or the exercise of any other right, power or remedy.
         Without limiting the foregoing, no waiver by the Company of any breach
         by the Executive of any provision in this Agreement shall be deemed to
         be a waiver of any subsequent breach of that or any other provision in
         this Agreement.

13.07    This Agreement shall be governed by and construed in accordance with
         the laws of Hong Kong and the parties hereby irrevocably submit to the
         non-exclusive jurisdiction of the Hong Kong courts.

IN WITNESS WHEREOF this Agreement has been executed on the day and year first
above written.


SIGNED by                       )
                                )
for and on behalf of MAN SANG   )
INTERNATIONAL LIMITED           )
in the presence of:             )






SIGNED by                       )
CHENG TAI PO                    )
in the presence of:             )

<PAGE>   1
                      DATED THE 8TH DAY OF SEPTEMBER, 1997





                         MAN SANG INTERNATIONAL LIMITED



                                       AND



                                 HUNG KWOK WING






                                -----------------

                                SERVICE AGREEMENT

                                -----------------











                                 BAKER & McKENZIE
                           14th Floor Hutchison House
                                10 Harcourt Road
                                    Hong Kong

                                   (LKL/EC/IW)
<PAGE>   2
                                     CONTENT

CLAUSE                              DESCRIPTION                             PAGE
- ------                              -----------                             ----

1.       INTERPRETATION.....................................................   1

2.       APPOINTMENT........................................................   2

3.       DURATION...........................................................   2

4.       EXECUTIVE'S DUTIES.................................................   2

5.       REMUNERATION.......................................................   3

6.       OTHER BENEFITS.....................................................   4

7.       EXPENSES...........................................................   4

8.       DEDUCTIONS.........................................................   4

9.       LEAVE..............................................................   4

10.      TERMINATION........................................................   5

11.      EXECUTIVE'S UNDERTAKINGS...........................................   6

12.      INTELLECTUAL PROPERTY RIGHTS.......................................   8

13.      MISCELLANEOUS......................................................   8

EXECUTION...................................................................  10
<PAGE>   3
THIS AGREEMENT is made on the 8th day of September, 1997


BETWEEN:

(1)      MAN SANG INTERNATIONAL LIMITED, a company incorporated under the laws
         of Bermuda and having its registered office at Clarendon House, 2
         Church Street, Hamilton HM11, Bermuda and its principal place of
         business in Hong Kong at 21st Floor, Railway Plaza, 39 Chatham Road
         South, Tsim Sha Tsui, Kowloon, Hong Kong (the "Company"); and

(2)      HUNG KWOK WING of Room 3103, Choi Tin House, Hing Tin
         Estate, Lam Tin, Kowloon, Hong Kong (the "Executive").


WHEREBY IT IS AGREED as follows:

1.       INTERPRETATION

1.01     In this Agreement, unless the context requires otherwise:

         "Board" means the board of directors for the time being of the Company;

         "Group" means the Company and its subsidiaries from time to time and
         "member of the Group" shall be construed accordingly;

         "HK$" means Hong Kong dollars;

         "Hong Kong" means the Hong Kong Special Administrative Region of the
         People's Republic of China;

         "Listing Rules" means the Rules Governing the Listing of Securities on
         The Stock Exchange of Hong Kong Limited (as the same may be amended
         from time to time); and

         "month" means calendar month.

1.02     References herein to Clauses are to clauses in this Agreement unless
         the context requires otherwise.

1.03     The headings are inserted for convenience only and shall not affect the
         construction of this Agreement.

1.04     Unless the context requires otherwise, words importing the singular
         include the plural and vice versa and words importing a gender include
         every gender.
<PAGE>   4
2.       APPOINTMENT

         The Company will employ the Executive and the Executive hereby agrees
         to serve the Company as an executive director upon the terms and
         subject to the conditions hereinafter appearing.


3.       DURATION

         Subject to termination as hereinafter provided, the Company will employ
         the Executive with effect from 1 September 1997 for an initial term of
         three (3) years until terminated by either party giving to the other
         not less than three (3) months' notice in writing.


4.       EXECUTIVE'S DUTIES

         The Executive shall, during the continuance of his employment
         hereunder:

         (a)      serve the Company as an executive director and, in such
                  capacity, perform the duties and exercise the powers from time
                  to time assigned to or vested in him by the Board (including
                  (without further remuneration unless otherwise agreed) serving
                  on the board of directors, or in any other office, of any
                  member(s) of the Group, as the Board may require) and he will
                  perform those duties at such place or places in Hong Kong or
                  elsewhere as the Board may from time to time determine;

         (b)      comply with and conform to any lawful instructions or
                  directions from time to time given or made by the Board, or
                  with the authority of the Board, and shall comply with the
                  Company's rules, regulations, policies and procedures from
                  time to time in force;

         (c)      faithfully and diligently serve the Group and use his best
                  endeavours to promote the business and interests thereof;

         (d)      devote himself exclusively and diligently to the business and
                  interests of the Group and personally attend thereto at all
                  times during usual business hours and during such other times
                  as the Company may reasonably require except in case of
                  incapacity through illness or accident in which case he shall
                  forthwith notify the Secretary of the Company of such
                  incapacity and shall furnish to the Board such evidence
                  thereof as it may require;

         (e)      keep the Board promptly and fully informed (in writing if so
                  requested) of his conduct of the business or affairs of the
                  Group and provide such explanations as the Board may require
                  in connection therewith;
<PAGE>   5
         (f)      carry out his duties and exercise his powers jointly with any
                  other director or executive of any member of the Group as
                  shall from time to time be appointed by the Board to act
                  jointly with the Executive and the Board may at any time
                  require the Executive to cease performing or exercising any of
                  his duties or powers under this Agreement; and

         (g)      comply with the relevant requirements of all applicable laws,
                  regulations, codes of practice and rules (including Securities
                  (Insider Dealing) Ordinance, the Rules Governing the Listing
                  of Securities on The Stock Exchange of Hong Kong Limited and
                  the Model Code for Securities Transactions by Directors of
                  Listed Companies set out in Appendix 10 therein and the rules
                  of any other stock exchange, market or dealing system on which
                  the securities of any member of the Group is traded and the
                  applicable laws, regulations, codes of practice in that
                  jurisdiction).


5.       REMUNERATION

         The remuneration of the Executive shall be:

         (a)      an annual salary of HK$1,000,000.00, such salary to include
                  any sum receivable as director's fees or other remuneration
                  from any other member of the Group (if any). This salary will
                  be reviewed by the Board in each year at the time of the
                  annual salary reviews for senior executives provided that the
                  Executive shall abstain from voting and shall not be counted
                  in the quorum in respect of any resolution regarding the
                  amount payable to himself in relation to his employment under
                  this Agreement which is proposed at any meeting of the Board;

         (b)      in respect of every financial year of the Company (which
                  expression shall include any other financial period in respect
                  of which the Company's accounts are made up), a discretionary
                  bonus of such amount as shall be determined by the Board
                  (provided that the aggregate of such amount and all
                  discretionary bonuses payable by the Company to its executive
                  directors in any financial year shall not exceed ten per cent.
                  of the net profits (after tax and after extraordinary items)
                  of the Company for such year as shown in its audited
                  accounts), payable within thirty (30) days after the Company's
                  accounts for the relevant year have been audited and
                  certified, provided that such discretionary bonus shall be
                  paid only on a pro rata basis in respect of any financial year
                  of the Company during a portion only of which the Executive
                  has served the Company hereunder, unless his employment shall
                  have been terminated pursuant to Clause 10.02, in which case
                  no discretionary bonus is payable.
<PAGE>   6
6.       OTHER BENEFITS

6.01     In addition to the foregoing remuneration and benefits, the Executive
         shall also be entitled to the use of the corporate membership of the
         Group at Tower Club and the payment of all entrance fees, debentures,
         monthly subscriptions but not chits in connection therewith during the
         continuance of his employment hereunder, subject to determination by
         the Board as to the appropriate level of cost of each item.

6.02     In addition to the above benefits, the Executive shall also be entitled
         to such other benefits under any applicable employee benefit plan and
         employee share option scheme adopted by the Company and any member of
         the Group of which the Executive is a director or holds office for
         their respective employees (including the Executive) as the Board shall
         from time to time determine.


7.       EXPENSES

         The Company shall reimburse the Executive (against receipts or such
         other reasonable evidence of expenditure as the Board may require) for
         all reasonable expenses properly incurred in the course of his
         employment hereunder or in promoting or otherwise in connection with
         the business of the Company.


8.       DEDUCTIONS

         The Company shall be entitled, subject to any laws or agreements to the
         contrary, at any time to deduct from the Executive's remuneration
         hereunder any monies due from him to any member of the Group including,
         but not limited to, any outstanding loans, advances, the cost of
         repairing any damage to or loss of the Company's property caused by him
         (and of recovering the same) and any other monies owed by him to the
         Company or any of its subsidiaries.


9.       LEAVE

         The Executive shall be entitled after completion of each year of
         service with the Company to fifteen (15) days' leave (in addition to
         public holidays) with full pay, which leave shall be taken at such time
         or times as may be convenient to the Board having regard to the
         exigencies of the Group's business provided that:

         (a)      if the employment of the Executive hereunder is to cease on
                  the completion of any year of service, the Executive shall be
                  entitled to take his said leave immediately prior to the end
                  of such year of service notwithstanding that at that time such
                  year of service shall not have been completed;

         (b)      if the employment of the Executive hereunder is to cease (for
                  any reason other than termination pursuant to Clause 10.02)
                  during any year of service, the
<PAGE>   7
                  Executive shall be entitled to an amount of leave
                  proportionate to the part of the year during which he has been
                  employed by the Company, such leave to be taken immediately
                  prior to the termination of his employment; and

         (c)      if for any reason the Executive shall not have taken his full
                  entitlement of leave in any particular year he shall not have
                  any claim against the Company in respect thereof nor, unless
                  the reason is the exigencies of the Company's business (of
                  which the Board shall be the sole judge), shall he be entitled
                  to additional leave in any year in respect of leave not taken
                  in previous years.


10.      TERMINATION

10.01    If the Executive is at any time incapacitated by illness, injury or
         accident from performing his duties hereunder and (if so required)
         furnishes the Board with evidence satisfactory to it of such incapacity
         and the cause thereof he shall be entitled to receive his full salary
         for the first three (3) months or any shorter period during which such
         incapacity continues and if he continues so incapacitated for a longer
         period than three (3) consecutive months or if he is so incapacitated
         at different times for more than ninety (90) days in any one period of
         fifty-two (52) consecutive weeks then and in either of such cases his
         employment may be terminated by the Company by one (1) month's notice
         in writing.

10.02    If at any time during the term of his employment hereunder the
         Executive shall be guilty of or commit any serious misconduct which in
         the absolute opinion of the Board is in any way detrimental to the
         interests of any member of the Group, or shall be in breach of any of
         the terms of this Agreement, or shall commit any act of bankruptcy or
         become insolvent, or make any arrangements or composition with his
         creditors generally, or become through mental disorder incapable of
         managing his own affairs, or fail to pay his personal debts or shall be
         guilty of persistent insobriety or be convicted of any criminal offence
         involving his integrity or honesty, the Company may terminate the
         Executive's employment hereunder forthwith without any notice or
         payment in lieu of notice and upon such termination, the Executive
         shall not be entitled to any bonus or any payment whatsoever (other
         than salary actually accrued due and payable pursuant to Clause 5(a))
         for or in respect of the then current year of service or to claim any
         compensation or damages for or in respect of or by reason of such
         termination.

10.03    In the event that: (a) the Executive is lawfully removed from his
         office as a director of the Company by virtue of a resolution passed by
         the members of the Company; or (b) the Executive, having retired from
         the office of director of the Company in accordance with the Bye-laws
         of the Company or any other applicable regulation or law, is not
         re-elected as a director of the Company by the shareholders of the
         Company at an annual general meeting of the Company, the Company may
         within seven (7) days of the date of such vacation from office by the
         Executive, terminate this Agreement forthwith by written notice to the
         Executive.
<PAGE>   8
10.04    In the event of termination of the Executive's employment for whatever
         reason, the Executive shall:

         (a)      (if not already vacated from such office(s)) forthwith resign
                  as a director of the Company and from all directorships or
                  other offices held by him in any member of the Group (and the
                  Executive irrevocably authorises the Company in his name and
                  on his behalf to execute all documents and do all things
                  necessary to effect such resignation in the event of his
                  failure to do so); and

         (b)      shall cease to be entitled to any benefits under this
                  Agreement

         and the Executive shall not be entitled to claim any other compensation
         whatsoever from the Company in respect of such termination except where
         the Board otherwise agrees or as expressly provided for under this
         Agreement.

10.05    Any delay or forbearance by the Company in exercising any right to
         terminate this Agreement shall not constitute a waiver of such right.

10.06    If notice is served by either party pursuant to Clause 3, then for up
         to a maximum period of three (3) months, the Company shall not be
         obliged, at any time after the notice of termination is served, to
         provide any work for the Executive or to assign to or vest in the
         Executive any powers, duties or functions and may in its absolute
         discretion suspend the Executive from work, and suspend the contractual
         benefits of the Executive set out in Clause 5(b) and 6 and to require
         the Executive to refrain from entering any premises of any member(s) of
         the Group and to refrain from contacting any customers, clients,
         employees or suppliers of any member(s) of the Group.


11.      EXECUTIVE'S UNDERTAKINGS

11.01    The Executive shall not either during the continuance of his employment
         hereunder or at any time thereafter divulge to any person whomsoever or
         to any body corporate or unincorporated (except to those officers of
         the Group whose province it is to know the same) or use for his own
         purposes or for any purposes other than those of the Group and shall
         use his best endeavours to prevent the unauthorised publication or
         disclosure of any trade secret or any confidential information
         concerning the business or finances of any member of the Group or any
         of its dealings, transactions or affairs or those of its customers,
         suppliers, management and shareholders which may come to his knowledge
         during or in the course of his employment. Confidential information
         shall include, without limitation, lists or details of customers and
         suppliers, information relating to the working of any process of
         invention carried on or used by any member of the Group, information
         relating to research and other projects, prices, discounts, mark-ups,
         future business strategy and development, marketing, price-sensitive
         information and any other information which is not generally available
         to the public.
<PAGE>   9
11.02    Forthwith upon the termination of the employment of the Executive
         hereunder, and/or at any other time if the Company shall so request,
         the Executive shall deliver to the Company all documents (including
         correspondence, lists of customers, notes, memoranda, plans, drawings
         and other documents of whatsoever nature), models or samples made or
         compiled by or delivered to the Executive during his employment
         hereunder and concerning the business, finances or affairs of any
         member of the Group and credit cards and any equipment used by or made
         available to the Executive by the Company or any member of the Group.
         For the avoidance of doubt it is hereby declared that the property in
         all such documents as aforesaid shall at all times be vested in the
         relevant member of the Group.

11.03    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter,
         in any country or place where any member of the Group has carried on
         business, carry on or be employed or interested directly or indirectly
         in (whether as shareholder, director, partner, agent or otherwise and
         whether alone or jointly with others) any business carried on by any
         member of the Group during the continuance of the said employment in
         competition with any member of the Group (other than as a holder of not
         more than five (5) per cent of the issued shares, debentures or other
         securities of any company listed on any recognised stock exchange)
         provided that the provisions of this Clause 11.03 shall only apply in
         respect of business activities or services with which the Executive was
         personally concerned or for which he was responsible during his said
         employment.

11.04    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter
         either on his own account or in conjunction with or on behalf of any
         other person or body corporate or unincorporated in competition with
         any member of the Group directly or indirectly solicit or entice away
         from any member of the Group, any person or body corporate or
         unincorporated who now is or at any time during or at the date of the
         termination of the said employment may have been or become a customer
         or supplier or prospective customer or supplier of any member of the
         Group and with whom the Executive had personal contact or dealings
         during his said employment.

11.05    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter
         solicit or entice away from any member of the Group or employ or
         otherwise engage any person who now is or at any time during or at the
         date of the termination of the said employment may have become an
         employee of any member of the Group and with whom the Executive had
         contact during his said employment, whether or not such person would
         commit any breach of his contract of employment by reason of leaving
         the service of the relevant member of the Group.

11.06    The Executive shall not at any time or for any purpose after
         termination of his employment hereunder use either the English or
         Chinese name of the Company or any name similar thereto in connection
         with his own or any other name in any way calculated to suggest that he
         is or has been connected with the Company's business, nor in any way
         hold himself out as having had any such connection.
<PAGE>   10
11.07    While the restrictions contained in Clauses 11.01 to 11.06 are
         considered by the parties to be reasonable for the protection of the
         business and interest of the Group and in all the circumstances and do
         not work harshly upon the Executive it is recognised that restrictions
         of the nature in question may fail for technical reasons unforeseen and
         accordingly it is hereby agreed and declared that if any such
         restrictions shall be adjudged to be void as going beyond what is
         reasonable in all the circumstances for the protection of the interests
         of the member(s) of the Group but would be valid if part of the wording
         thereof were deleted or the periods (if any) thereof were reduced or
         the range of products or area dealt with thereby were reduced in scope,
         the said restriction shall apply with such modifications as may be
         necessary to make it valid and effective.


12.      INTELLECTUAL PROPERTY RIGHTS

12.01    The Company (or any other member of the Group as the case may be) shall
         be entitled free of charge to the sole ownership and exclusive use of
         any invention or improvement made or discovered by the Executive and of
         any copyright, design right, trade mark, service mark or trade name
         created or used by the Executive (hereinafter referred to as the
         "intellectual property rights") in the course of or for the purpose of
         providing services hereunder to the Company or any other member of the
         Group.

12.02    The Executive shall forthwith and from time to time both during and
         after the term of this Agreement and at the request and cost of the
         Company, insofar as it is within his power, do such acts and things and
         execute such documents, as may in the opinion of the Company be
         reasonably necessary for obtaining letters patent, registration or
         other protection for any such intellectual property rights in any part
         of the world and shall effect such registration and vest such letters
         patent or other protection in the Company (or any other member of the
         Group as the case may be) or its nominees. The Executive irrevocably
         authorises the Company for the purposes aforesaid in the name of the
         Executive and execute any document or do anything on his behalf. The
         Executive shall at the cost and request of the Company render all
         reasonable assistance to the Company (or any other member of the Group
         as the case may be) for and in connection with the purposes aforesaid.

12.03    The Executive shall not during or after the termination of the
         Agreement use to the detriment or prejudice of the Group or divulge to
         any person any confidential information concerning the intellectual
         property rights of the Group which may have come to his knowledge.


13.      MISCELLANEOUS

13.01    This Agreement shall be in substitution for any subsisting agreement or
         arrangement (oral or otherwise) made between the Company and the
         Executive which shall be deemed to have been terminated by mutual
         consent as from the date on which the Executive's employment under this
         Agreement commences.
<PAGE>   11
13.02    The expiration or termination of this Agreement howsoever arising shall
         not operate to affect such of the provisions hereof as in accordance
         with their terms are expressed to operate or have effect thereafter.

13.03    In the event of any variation of the remuneration payable to the
         Executive hereunder being made by consent of the parties hereto, such
         variation shall not constitute a new agreement but (subject to any
         express agreement to the contrary) the employment of the Executive
         hereunder shall continue subject in all respects to the terms and
         conditions of this Agreement with such variation as aforesaid.

13.04    Each notice, demand or other communication given or made under this
         Agreement shall be in writing and delivered or sent to the relevant
         party at its address or facsimile number set out below (or such other
         address or facsimile number as the addressee has by five (5) days'
         prior written notice specified to the other parties):

         To the Company:                    Man Sang International Limited
                                            21st Floor, Railway Plaza
                                            39 Chatham Road South
                                            Tsim Sha Tsui, Kowloon
                                            Hong Kong
                                            Fax number:  (852) 2317 5243
                                            Attention:  Mr. Cheng Chung Hing

         To the Executive:                  Hung Kwok Wing
                                            Room 3103, Choi Tin House
                                            Hing Tin Estate
                                            Lam Tin, Kowloon
                                            Hong Kong

         Any notice, demand or other communication so addressed to the relevant
         party shall be deemed to have been delivered (a) if given or made by
         letter, by post, two (2) clear business days after the date of posting,
         or by recorded delivery, when actually delivered to the relevant
         address; and (b) if given or made by facsimile, when despatched subject
         to receipt of machine-printed confirmation of error-free despatch of
         the whole of the notice, demand or communication to the facsimile
         number of the intended addressee.

13.05    If at any time any provision of this Agreement is or becomes illegal,
         invalid or unenforceable in any respect, the legality, validity and
         enforceability of the remaining provisions of this Agreement shall not
         be affected or impaired thereby.

13.06    No failure or delay by the Company in exercising any right, power or
         remedy under this Agreement shall operate as a waiver thereof, nor
         shall any single or partial exercise of the same preclude any further
         exercise thereof or the exercise of any other right, power or remedy.
         Without limiting the foregoing, no waiver by the Company of any breach
         by the Executive of any provision in this Agreement shall be deemed to
         be a waiver of any subsequent breach of that or any other provision in
         this Agreement.
<PAGE>   12
13.07    This Agreement shall be governed by and construed in accordance with
         the laws of Hong Kong and the parties hereby irrevocably submit to the
         non-exclusive jurisdiction of the Hong Kong courts.
<PAGE>   13
IN WITNESS WHEREOF this Agreement has been executed on the day and year first
above written.



SIGNED by                          )
                                   )
for and on behalf of MAN SANG      )
INTERNATIONAL LIMITED              )
in the presence of:                )






SIGNED by                          )
HUNG KWOK WING                     )
in the presence of:                )

<PAGE>   1
                      DATED THE 8TH DAY OF SEPTEMBER, 1997





                         MAN SANG INTERNATIONAL LIMITED



                                       AND



                                  SIO KAM SENG





                                -----------------

                                SERVICE AGREEMENT

                                -----------------










                                 BAKER & McKENZIE
                           14th Floor Hutchison House
                                10 Harcourt Road
                                    Hong Kong

                                   (LKL/EC/IW)
<PAGE>   2
                                     CONTENT

CLAUSE                             DESCRIPTION                              PAGE
- ------                             -----------                              ----

1.       INTERPRETATION....................................................    1

2.       APPOINTMENT.......................................................    2

3.       DURATION..........................................................    2

4.       EXECUTIVE'S DUTIES................................................    2

5.       REMUNERATION......................................................    3

6.       OTHER BENEFITS....................................................    4

7.       EXPENSES..........................................................    4

8.       DEDUCTIONS........................................................    4

9.       LEAVE.............................................................    4

10.      TERMINATION.......................................................    5

11.      EXECUTIVE'S UNDERTAKINGS..........................................    6

12.      INTELLECTUAL PROPERTY RIGHTS......................................    8

13.      MISCELLANEOUS.....................................................    9

EXECUTION..................................................................   10
<PAGE>   3
THIS AGREEMENT is made on the 8th day of September, 1997


BETWEEN:

(1)      MAN SANG INTERNATIONAL LIMITED a company incorporated under the laws of
         Bermuda and having its registered office at Clarendon House, 2 Church
         Street, Hamilton HM11, Bermuda and its principal place of business in
         Hong Kong at 21st Floor, Railway Plaza, 39 Chatham Road South, Tsim Sha
         Tsui, Kowloon, Hong Kong (the "Company"); and

(2)      SIO KAM SENG of Flat 1002, Block 3, Heng Fa Chuen, Hong Kong (the
         "Executive").


WHEREBY IT IS AGREED as follows:


1.       INTERPRETATION

1.01     In this Agreement, unless the context requires otherwise:

         "Board" means the board of directors for the time being of the Company;

         "Group" means the Company and its subsidiaries from time to time and
         "member of the Group" shall be construed accordingly;

         "HK$" means Hong Kong dollars;

         "Hong Kong" means the Hong Kong Special Administrative Region of the
         People's Republic of China;

         "Listing Rules" means the Rules Governing the Listing of Securities on
         The Stock Exchange of Hong Kong Limited (as the same may be amended
         from time to time); and

         "month" means calendar month.

1.02     References herein to Clauses are to clauses in this Agreement unless
         the context requires otherwise.

1.03     The headings are inserted for convenience only and shall not affect the
         construction of this Agreement.

1.04     Unless the context requires otherwise, words importing the singular
         include the plural and vice versa and words importing a gender include
         every gender.
<PAGE>   4
2.       APPOINTMENT

         The Company will employ the Executive and the Executive hereby agrees
         to serve the Company as an executive director upon the terms and
         subject to the conditions hereinafter appearing.


3.       DURATION

         Subject to termination as hereinafter provided, the Company will employ
         the Executive with effect from 1 September 1997 for an initial term of
         three (3) years until terminated by either party giving to the other
         not less than three (3) months' notice in writing.


4.       EXECUTIVE'S DUTIES

         The Executive shall, during the continuance of his employment
         hereunder:

         (a)      serve the Company as an executive director and, in such
                  capacity, perform the duties and exercise the powers from time
                  to time assigned to or vested in him by the Board (including
                  (without further remuneration unless otherwise agreed) serving
                  on the board of directors, or in any other office, of any
                  member(s) of the Group, as the Board may require) and he will
                  perform those duties at such place or places in Hong Kong or
                  elsewhere as the Board may from time to time determine;

         (b)      comply with and conform to any lawful instructions or
                  directions from time to time given or made by the Board, or
                  with the authority of the Board, and shall comply with the
                  Company's rules, regulations, policies and procedures from
                  time to time in force;

         (c)      faithfully and diligently serve the Group and use his best
                  endeavours to promote the business and interests thereof;

         (d)      devote himself exclusively and diligently to the business and
                  interests of the Group and personally attend thereto at all
                  times during usual business hours and during such other times
                  as the Company may reasonably require except in case of
                  incapacity through illness or accident in which case he shall
                  forthwith notify the Secretary of the Company of such
                  incapacity and shall furnish to the Board such evidence
                  thereof as it may require;

         (e)      keep the Board promptly and fully informed (in writing if so
                  requested) of his conduct of the business or affairs of the
                  Group and provide such explanations as the Board may require
                  in connection therewith;
<PAGE>   5
         (f)      carry out his duties and exercise his powers jointly with any
                  other director or executive of any member of the Group as
                  shall from time to time be appointed by the Board to act
                  jointly with the Executive and the Board may at any time
                  require the Executive to cease performing or exercising any of
                  his duties or powers under this Agreement; and

         (g)      comply with the relevant requirements of all applicable laws,
                  regulations, codes of practice and rules (including Securities
                  (Insider Dealing) Ordinance, the Rules Governing the Listing
                  of Securities on The Stock Exchange of Hong Kong Limited and
                  the Model Code for Securities Transactions by Directors of
                  Listed Companies set out in Appendix 10 therein and the rules
                  of any other stock exchange, market or dealing system on which
                  the securities of any member of the Group is traded and the
                  applicable laws, regulations, codes of practice in that
                  jurisdiction).


5.       REMUNERATION

         The remuneration of the Executive shall be:

         (a)      an annual salary of HK$1,000,000.00, such salary to include
                  any sum receivable as director's fees or other remuneration
                  from any other member of the Group (if any). This salary will
                  be reviewed by the Board in each year at the time of the
                  annual salary reviews for senior executives provided that the
                  Executive shall abstain from voting and shall not be counted
                  in the quorum in respect of any resolution regarding the
                  amount payable to himself in relation to his employment under
                  this Agreement which is proposed at any meeting of the Board;

         (b)      in respect of every financial year of the Company (which
                  expression shall include any other financial period in respect
                  of which the Company's accounts are made up), a discretionary
                  bonus of such amount as shall be determined by the Board
                  (provided that the aggregate of such amount and all
                  discretionary bonuses payable by the Company to its executive
                  directors in any financial year shall not exceed ten per cent.
                  of the net profits (after tax and after extraordinary items)
                  of the Company for such year as shown in its audited
                  accounts), payable within thirty (30) days after the Company's
                  accounts for the relevant year have been audited and
                  certified, provided that such discretionary bonus shall be
                  paid only on a pro rata basis in respect of any financial year
                  of the Company during a portion only of which the Executive
                  has served the Company hereunder, unless his employment shall
                  have been terminated pursuant to Clause 10.02, in which case
                  no discretionary bonus is payable.
<PAGE>   6
6.       OTHER BENEFITS

6.01     In addition to the foregoing remuneration and benefits, the Executive
         shall also be entitled to the use of a car parking space as may be
         approved by the Board and the Company shall pay all charges and fees in
         respect of the car parking space during the continuance of his
         employment hereunder, subject to determination by the Board as to the
         appropriate level of cost of each item.

6.02     In addition to the above benefits, the Executive shall also be entitled
         to such other benefits under any applicable employee benefit plan and
         employee share option scheme adopted by the Company and any member of
         the Group of which the Executive is a director or holds office for
         their respective employees (including the Executive) as the Board shall
         from time to time determine.


7.       EXPENSES

         The Company shall reimburse the Executive (against receipts or such
         other reasonable evidence of expenditure as the Board may require) for
         all reasonable expenses properly incurred in the course of his
         employment hereunder or in promoting or otherwise in connection with
         the business of the Company.


8.       DEDUCTIONS

         The Company shall be entitled, subject to any laws or agreements to the
         contrary, at any time to deduct from the Executive's remuneration
         hereunder any monies due from him to any member of the Group including,
         but not limited to, any outstanding loans, advances, the cost of
         repairing any damage to or loss of the Company's property caused by him
         (and of recovering the same) and any other monies owed by him to the
         Company or any of its subsidiaries.


9.       LEAVE

         The Executive shall be entitled after completion of each year of
         service with the Company to fifteen (15) days' leave (in addition to
         public holidays) with full pay, which leave shall be taken at such time
         or times as may be convenient to the Board having regard to the
         exigencies of the Group's business provided that:

         (a)      if the employment of the Executive hereunder is to cease on
                  the completion of any year of service, the Executive shall be
                  entitled to take his said leave immediately prior to the end
                  of such year of service notwithstanding that at that time such
                  year of service shall not have been completed;

         (b)      if the employment of the Executive hereunder is to cease (for
                  any reason other than termination pursuant to Clause 10.02)
                  during any year of service, the
<PAGE>   7
                  Executive shall be entitled to an amount of leave
                  proportionate to the part of the year during which he has been
                  employed by the Company, such leave to be taken immediately
                  prior to the termination of his employment; and

         (c)      if for any reason the Executive shall not have taken his full
                  entitlement of leave in any particular year he shall not have
                  any claim against the Company in respect thereof nor, unless
                  the reason is the exigencies of the Company's business (of
                  which the Board shall be the sole judge), shall he be entitled
                  to additional leave in any year in respect of leave not taken
                  in previous years.


10.      TERMINATION

10.01    If the Executive is at any time incapacitated by illness, injury or
         accident from performing his duties hereunder and (if so required)
         furnishes the Board with evidence satisfactory to it of such incapacity
         and the cause thereof he shall be entitled to receive his full salary
         for the first three (3) months or any shorter period during which such
         incapacity continues and if he continues so incapacitated for a longer
         period than three (3) consecutive months or if he is so incapacitated
         at different times for more than ninety (90) days in any one period of
         fifty-two (52) consecutive weeks then and in either of such cases his
         employment may be terminated by the Company by one (1) month's notice
         in writing.

10.02    If at any time during the term of his employment hereunder the
         Executive shall be guilty of or commit any serious misconduct which in
         the absolute opinion of the Board is in any way detrimental to the
         interests of any member of the Group, or shall be in breach of any of
         the terms of this Agreement, or shall commit any act of bankruptcy or
         become insolvent, or make any arrangements or composition with his
         creditors generally, or become through mental disorder incapable of
         managing his own affairs, or fail to pay his personal debts or shall be
         guilty of persistent insobriety or be convicted of any criminal offence
         involving his integrity or honesty, the Company may terminate the
         Executive's employment hereunder forthwith without any notice or
         payment in lieu of notice and upon such termination, the Executive
         shall not be entitled to any bonus or any payment whatsoever (other
         than salary actually accrued due and payable pursuant to Clause 5(a))
         for or in respect of the then current year of service or to claim any
         compensation or damages for or in respect of or by reason of such
         termination.

10.03    In the event that: (a) the Executive is lawfully removed from his
         office as a director of the Company by virtue of a resolution passed by
         the members of the Company; or (b) the Executive, having retired from
         the office of director of the Company in accordance with the Bye-laws
         of the Company or any other applicable regulation or law, is not
         re-elected as a director of the Company by the shareholders of the
         Company at an annual general meeting of the Company, the Company may
         within seven (7) days of the date of such vacation from office by the
         Executive, terminate this Agreement forthwith by written notice to the
         Executive.
<PAGE>   8
10.04    In the event of termination of the Executive's employment for whatever
         reason, the Executive shall:

         (a)      (if not already vacated from such office(s)) forthwith resign
                  as a director of the Company and from all directorships or
                  other offices held by him in any member of the Group (and the
                  Executive irrevocably authorises the Company in his name and
                  on his behalf to execute all documents and do all things
                  necessary to effect such resignation in the event of his
                  failure to do so);

         (b)      shall cease to be entitled to any benefits under this
                  Agreement; and

         (c)      immediately vacate the car parking space provided by the
                  Company under Clause 6.01 and forthwith return any car park
                  entrance device in respect thereof to the Company at its
                  principal place of business in Hong Kong or such other place
                  in Hong Kong as the Company may reasonably request

         and the Executive shall not be entitled to claim any other compensation
         whatsoever from the Company in respect of such termination except where
         the Board otherwise agrees or as expressly provided for under this
         Agreement.

10.05    Any delay or forbearance by the Company in exercising any right to
         terminate this Agreement shall not constitute a waiver of such right.

10.06    If notice is served by either party pursuant to Clause 3, then for up
         to a maximum period of three (3) months, the Company shall not be
         obliged, at any time after the notice of termination is served, to
         provide any work for the Executive or to assign to or vest in the
         Executive any powers, duties or functions and may in its absolute
         discretion suspend the Executive from work, and suspend the contractual
         benefits of the Executive set out in Clause 5(b) and 6 and to require
         the Executive to refrain from entering any premises of any member(s) of
         the Group and to refrain from contacting any customers, clients,
         employees or suppliers of any member(s) of the Group.


11.      EXECUTIVE'S UNDERTAKINGS

11.01    The Executive agrees to ensure that all rules and regulation governing
         the use of the car parking space provided by the Company under Clause
         6.01 are observed.

11.02    The Executive shall not either during the continuance of his employment
         hereunder or at any time thereafter divulge to any person whomsoever or
         to any body corporate or unincorporated (except to those officers of
         the Group whose province it is to know the same) or use for his own
         purposes or for any purposes other than those of the Group and shall
         use his best endeavours to prevent the unauthorised publication or
         disclosure of any trade secret or any confidential information
         concerning the business or finances of any member of the Group or any
         of its dealings, transactions or affairs or those of its customers,
         suppliers, management and shareholders which may come to his knowledge
         during or in the course of his employment. Confidential information
         shall
<PAGE>   9
         include, without limitation, lists or details of customers and
         suppliers, information relating to the working of any process of
         invention carried on or used by any member of the Group, information
         relating to research and other projects, prices, discounts, mark-ups,
         future business strategy and development, marketing, price-sensitive
         information and any other information which is not generally available
         to the public.

11.03    Forthwith upon the termination of the employment of the Executive
         hereunder, and/or at any other time if the Company shall so request,
         the Executive shall deliver to the Company all documents (including
         correspondence, lists of customers, notes, memoranda, plans, drawings
         and other documents of whatsoever nature), models or samples made or
         compiled by or delivered to the Executive during his employment
         hereunder and concerning the business, finances or affairs of any
         member of the Group and credit cards and any equipment used by or made
         available to the Executive by the Company or any member of the Group.
         For the avoidance of doubt it is hereby declared that the property in
         all such documents as aforesaid shall at all times be vested in the
         relevant member of the Group.

11.04    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter,
         in any country or place where any member of the Group has carried on
         business, carry on or be employed or interested directly or indirectly
         in (whether as shareholder, director, partner, agent or otherwise and
         whether alone or jointly with others) any business carried on by any
         member of the Group during the continuance of the said employment in
         competition with any member of the Group (other than as a holder of not
         more than five (5) per cent of the issued shares, debentures or other
         securities of any company listed on any recognised stock exchange)
         provided that the provisions of this Clause 11.04 shall only apply in
         respect of business activities or services with which the Executive was
         personally concerned or for which he was responsible during his said
         employment.

11.05    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter
         either on his own account or in conjunction with or on behalf of any
         other person or body corporate or unincorporated in competition with
         any member of the Group directly or indirectly solicit or entice away
         from any member of the Group, any person or body corporate or
         unincorporated who now is or at any time during or at the date of the
         termination of the said employment may have been or become a customer
         or supplier or prospective customer or supplier of any member of the
         Group and with whom the Executive had personal contact or dealings
         during his said employment.

11.06    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter
         solicit or entice away from any member of the Group or employ or
         otherwise engage any person who now is or at any time during or at the
         date of the termination of the said employment may have become an
         employee of any member of the Group and with whom the Executive had
         contact during his said employment, whether or not such person would
         commit any breach of his contract of employment by reason of leaving
         the service of the relevant member of the Group.
<PAGE>   10
11.07    The Executive shall not at any time or for any purpose after
         termination of his employment hereunder use either the English or
         Chinese name of the Company or any name similar thereto in connection
         with his own or any other name in any way calculated to suggest that he
         is or has been connected with the Company's business, nor in any way
         hold himself out as having had any such connection.

11.08    While the restrictions contained in Clauses 11.02 to 11.07 are
         considered by the parties to be reasonable for the protection of the
         business and interest of the Group and in all the circumstances and do
         not work harshly upon the Executive it is recognised that restrictions
         of the nature in question may fail for technical reasons unforeseen and
         accordingly it is hereby agreed and declared that if any such
         restrictions shall be adjudged to be void as going beyond what is
         reasonable in all the circumstances for the protection of the interests
         of the member(s) of the Group but would be valid if part of the wording
         thereof were deleted or the periods (if any) thereof were reduced or
         the range of products or area dealt with thereby were reduced in scope,
         the said restriction shall apply with such modifications as may be
         necessary to make it valid and effective.


12.      INTELLECTUAL PROPERTY RIGHTS

12.01    The Company (or any other member of the Group as the case may be) shall
         be entitled free of charge to the sole ownership and exclusive use of
         any invention or improvement made or discovered by the Executive and of
         any copyright, design right, trade mark, service mark or trade name
         created or used by the Executive (hereinafter referred to as the
         "intellectual property rights") in the course of or for the purpose of
         providing services hereunder to the Company or any other member of the
         Group.

12.02    The Executive shall forthwith and from time to time both during and
         after the term of this Agreement and at the request and cost of the
         Company, insofar as it is within his power, do such acts and things and
         execute such documents, as may in the opinion of the Company be
         reasonably necessary for obtaining letters patent, registration or
         other protection for any such intellectual property rights in any part
         of the world and shall effect such registration and vest such letters
         patent or other protection in the Company (or any other member of the
         Group as the case may be) or its nominees. The Executive irrevocably
         authorises the Company for the purposes aforesaid in the name of the
         Executive and execute any document or do anything on his behalf. The
         Executive shall at the cost and request of the Company render all
         reasonable assistance to the Company (or any other member of the Group
         as the case may be) for and in connection with the purposes aforesaid.

12.03    The Executive shall not during or after the termination of the
         Agreement use to the detriment or prejudice of the Group or divulge to
         any person any confidential information concerning the intellectual
         property rights of the Group which may have come to his knowledge.
<PAGE>   11
13.      MISCELLANEOUS

13.01    This Agreement shall be in substitution for any subsisting agreement or
         arrangement (oral or otherwise) made between the Company and the
         Executive which shall be deemed to have been terminated by mutual
         consent as from the date on which the Executive's employment under this
         Agreement commences.

13.02    The expiration or termination of this Agreement howsoever arising shall
         not operate to affect such of the provisions hereof as in accordance
         with their terms are expressed to operate or have effect thereafter.

13.03    In the event of any variation of the remuneration payable to the
         Executive hereunder being made by consent of the parties hereto, such
         variation shall not constitute a new agreement but (subject to any
         express agreement to the contrary) the employment of the Executive
         hereunder shall continue subject in all respects to the terms and
         conditions of this Agreement with such variation as aforesaid.

13.04    Each notice, demand or other communication given or made under this
         Agreement shall be in writing and delivered or sent to the relevant
         party at its address or facsimile number set out below (or such other
         address or facsimile number as the addressee has by five (5) days'
         prior written notice specified to the other parties):

         To the Company:                    Man Sang International Limited
                                            21st Floor, Railway Plaza
                                            39 Chatham Road South
                                            Tsim Sha Tsui, Kowloon
                                            Hong Kong
                                            Fax number:  (852) 2317 5243
                                            Attention:  Mr. Cheng Chung Hing

         To the Executive:                  Sio Kam Seng
                                            Flat 1002, Block 3, Heng Fa Chuen
                                            Hong Kong

         Any notice, demand or other communication so addressed to the relevant
         party shall be deemed to have been delivered (a) if given or made by
         letter, by post, two (2) clear business days after the date of posting,
         or by recorded delivery, when actually delivered to the relevant
         address; and (b) if given or made by facsimile, when despatched subject
         to receipt of machine-printed confirmation of error-free despatch of
         the whole of the notice, demand or communication to the facsimile
         number of the intended addressee.

13.05    If at any time any provision of this Agreement is or becomes illegal,
         invalid or unenforceable in any respect, the legality, validity and
         enforceability of the remaining provisions of this Agreement shall not
         be affected or impaired thereby.
<PAGE>   12
13.06    No failure or delay by the Company in exercising any right, power or
         remedy under this Agreement shall operate as a waiver thereof, nor
         shall any single or partial exercise of the same preclude any further
         exercise thereof or the exercise of any other right, power or remedy.
         Without limiting the foregoing, no waiver by the Company of any breach
         by the Executive of any provision in this Agreement shall be deemed to
         be a waiver of any subsequent breach of that or any other provision in
         this Agreement.

13.07    This Agreement shall be governed by and construed in accordance with
         the laws of Hong Kong and the parties hereby irrevocably submit to the
         non-exclusive jurisdiction of the Hong Kong courts.



IN WITNESS WHEREOF this Agreement has been executed on the day and year first
above written.


SIGNED by                          )
                                   )
for and on behalf of MAN SANG      )
INTERNATIONAL LIMITED              )
in the presence of:                )






SIGNED by                          )
SIO KAM SENG                       )
in the presence of:                )

<PAGE>   1
                      DATED THE 8TH DAY OF SEPTEMBER, 1997





                         MAN SANG INTERNATIONAL LIMITED



                                       AND



                                   NG HAK YEE





                                -----------------

                                SERVICE AGREEMENT

                                -----------------









                                 BAKER & McKENZIE
                           14th Floor Hutchison House
                                10 Harcourt Road
                                    Hong Kong

                                   (LKL/EC/IW)
<PAGE>   2
                                     CONTENT

CLAUSE                              DESCRIPTION                             PAGE
- ------                              -----------                             ----

1.       INTERPRETATION.....................................................   1

2.       APPOINTMENT........................................................   2

3.       DURATION...........................................................   2

4.       EXECUTIVE'S DUTIES.................................................   2

5.       REMUNERATION.......................................................   3

6.       OTHER BENEFITS.....................................................   4

7.       EXPENSES...........................................................   4

8.       DEDUCTIONS.........................................................   4

9.       LEAVE..............................................................   4

10.      TERMINATION........................................................   5

11.      EXECUTIVE'S UNDERTAKINGS...........................................   6

12.      INTELLECTUAL PROPERTY RIGHTS.......................................   8

13.      MISCELLANEOUS......................................................   8

EXECUTION...................................................................  10
<PAGE>   3
THIS AGREEMENT is made on the 8th day of September, 1997


BETWEEN:

(1)      MAN SANG INTERNATIONAL LIMITED, a company incorporated under the laws
         of Bermuda and having its registered office at Clarendon House, 2
         Church Street, Hamilton HM11, Bermuda and its principal place of
         business in Hong Kong at 21st Floor, Railway Plaza, 39 Chatham Road
         South, Tsim Sha Tsui, Kowloon, Hong Kong (the "Company"); and

(2)      NG HAK YEE of Flat 1905, Block E, Amoy Gardens, Ngau Tau
         Kok, Kowloon, Hong Kong (the "Executive").


WHEREBY IT IS AGREED as follows:

1.       INTERPRETATION

1.01     In this Agreement, unless the context requires otherwise:

         "Board" means the board of directors for the time being of the Company;

         "Group" means the Company and its subsidiaries from time to time and
         "member of the Group" shall be construed accordingly;

         "HK$" means Hong Kong dollars;

         "Hong Kong" means the Hong Kong Special Administrative Region of the
         People's Republic of China;

         "Listing Rules" means the Rules Governing the Listing of Securities on
         The Stock Exchange of Hong Kong Limited (as the same may be amended
         from time to time); and

         "month" means calendar month.

1.02     References herein to Clauses are to clauses in this Agreement unless
         the context requires otherwise.

1.03     The headings are inserted for convenience only and shall not affect the
         construction of this Agreement.

1.04     Unless the context requires otherwise, words importing the singular
         include the plural and vice versa and words importing a gender include
         every gender.
<PAGE>   4
2.       APPOINTMENT

         The Company will employ the Executive and the Executive hereby agrees
         to serve the Company as an executive director upon the terms and
         subject to the conditions hereinafter appearing.


3.       DURATION

         Subject to termination as hereinafter provided, the Company will employ
         the Executive with effect from 1 September 1997 for an initial term of
         three (3) years until terminated by either party giving to the other
         not less than three (3) months' notice in writing.


4.       EXECUTIVE'S DUTIES

         The Executive shall, during the continuance of his employment
         hereunder:

         (a)      serve the Company as an executive director and, in such
                  capacity, perform the duties and exercise the powers from time
                  to time assigned to or vested in him by the Board (including
                  (without further remuneration unless otherwise agreed) serving
                  on the board of directors, or in any other office, of any
                  member(s) of the Group, as the Board may require) and he will
                  perform those duties at such place or places in Hong Kong or
                  elsewhere as the Board may from time to time determine;

         (b)      comply with and conform to any lawful instructions or
                  directions from time to time given or made by the Board, or
                  with the authority of the Board, and shall comply with the
                  Company's rules, regulations, policies and procedures from
                  time to time in force;

         (c)      faithfully and diligently serve the Group and use his best
                  endeavours to promote the business and interests thereof;

         (d)      devote himself exclusively and diligently to the business and
                  interests of the Group and personally attend thereto at all
                  times during usual business hours and during such other times
                  as the Company may reasonably require except in case of
                  incapacity through illness or accident in which case he shall
                  forthwith notify the Secretary of the Company of such
                  incapacity and shall furnish to the Board such evidence
                  thereof as it may require;

         (e)      keep the Board promptly and fully informed (in writing if so
                  requested) of his conduct of the business or affairs of the
                  Group and provide such explanations as the Board may require
                  in connection therewith;
<PAGE>   5
         (f)      carry out his duties and exercise his powers jointly with any
                  other director or executive of any member of the Group as
                  shall from time to time be appointed by the Board to act
                  jointly with the Executive and the Board may at any time
                  require the Executive to cease performing or exercising any of
                  his duties or powers under this Agreement; and

         (g)      comply with the relevant requirements of all applicable laws,
                  regulations, codes of practice and rules (including Securities
                  (Insider Dealing) Ordinance, the Rules Governing the Listing
                  of Securities on The Stock Exchange of Hong Kong Limited and
                  the Model Code for Securities Transactions by Directors of
                  Listed Companies set out in Appendix 10 therein and the rules
                  of any other stock exchange, market or dealing system on which
                  the securities of any member of the Group is traded and the
                  applicable laws, regulations, codes of practice in that
                  jurisdiction).


5.       REMUNERATION

         The remuneration of the Executive shall be:

         (a)      an annual salary of HK$1,000,000.00, such salary to include
                  any sum receivable as director's fees or other remuneration
                  from any other member of the Group (if any). This salary will
                  be reviewed by the Board in each year at the time of the
                  annual salary reviews for senior executives provided that the
                  Executive shall abstain from voting and shall not be counted
                  in the quorum in respect of any resolution regarding the
                  amount payable to himself in relation to his employment under
                  this Agreement which is proposed at any meeting of the Board;

         (b)      in respect of every financial year of the Company (which
                  expression shall include any other financial period in respect
                  of which the Company's accounts are made up), a discretionary
                  bonus of such amount as shall be determined by the Board
                  (provided that the aggregate of such amount and all
                  discretionary bonuses payable by the Company to its executive
                  directors in any financial year shall not exceed ten per cent.
                  of the net profits (after tax and after extraordinary items)
                  of the Company for such year as shown in its audited
                  accounts), payable within thirty (30) days after the Company's
                  accounts for the relevant year have been audited and
                  certified, provided that such discretionary bonus shall be
                  paid only on a pro rata basis in respect of any financial year
                  of the Company during a portion only of which the Executive
                  has served the Company hereunder, unless his employment shall
                  have been terminated pursuant to Clause 10.02, in which case
                  no discretionary bonus is payable.
<PAGE>   6
6.       OTHER BENEFITS

6.01     In addition to the foregoing remuneration and benefits, the Executive
         shall also be entitled to the use of the corporate membership of the
         Group at Tower Club and the payment of all entrance fees, debentures,
         monthly subscriptions but not chits in connection therewith during the
         continuance of his employment hereunder, subject to determination by
         the Board as to the appropriate level of cost of each item.

6.02     In addition to the above benefits, the Executive shall also be entitled
         to such other benefits under any applicable employee benefit plan and
         employee share option scheme adopted by the Company and any member of
         the Group of which the Executive is a director or holds office for
         their respective employees (including the Executive) as the Board shall
         from time to time determine.


7.       EXPENSES

         The Company shall reimburse the Executive (against receipts or such
         other reasonable evidence of expenditure as the Board may require) for
         all reasonable expenses properly incurred in the course of his
         employment hereunder or in promoting or otherwise in connection with
         the business of the Company.


8.       DEDUCTIONS

         The Company shall be entitled, subject to any laws or agreements to the
         contrary, at any time to deduct from the Executive's remuneration
         hereunder any monies due from him to any member of the Group including,
         but not limited to, any outstanding loans, advances, the cost of
         repairing any damage to or loss of the Company's property caused by him
         (and of recovering the same) and any other monies owed by him to the
         Company or any of its subsidiaries.


9.       LEAVE

         The Executive shall be entitled after completion of each year of
         service with the Company to fifteen (15) days' leave (in addition to
         public holidays) with full pay, which leave shall be taken at such time
         or times as may be convenient to the Board having regard to the
         exigencies of the Group's business provided that:

         (a)      if the employment of the Executive hereunder is to cease on
                  the completion of any year of service, the Executive shall be
                  entitled to take his said leave immediately prior to the end
                  of such year of service notwithstanding that at that time such
                  year of service shall not have been completed;

         (b)      if the employment of the Executive hereunder is to cease (for
                  any reason other than termination pursuant to Clause 10.02)
                  during any year of service, the
<PAGE>   7
                  Executive shall be entitled to an amount of leave
                  proportionate to the part of the year during which he has been
                  employed by the Company, such leave to be taken immediately
                  prior to the termination of his employment; and

         (c)      if for any reason the Executive shall not have taken his full
                  entitlement of leave in any particular year he shall not have
                  any claim against the Company in respect thereof nor, unless
                  the reason is the exigencies of the Company's business (of
                  which the Board shall be the sole judge), shall he be entitled
                  to additional leave in any year in respect of leave not taken
                  in previous years.


10.      TERMINATION

10.01    If the Executive is at any time incapacitated by illness, injury or
         accident from performing his duties hereunder and (if so required)
         furnishes the Board with evidence satisfactory to it of such incapacity
         and the cause thereof he shall be entitled to receive his full salary
         for the first three (3) months or any shorter period during which such
         incapacity continues and if he continues so incapacitated for a longer
         period than three (3) consecutive months or if he is so incapacitated
         at different times for more than ninety (90) days in any one period of
         fifty-two (52) consecutive weeks then and in either of such cases his
         employment may be terminated by the Company by one (1) month's notice
         in writing.

10.02    If at any time during the term of his employment hereunder the
         Executive shall be guilty of or commit any serious misconduct which in
         the absolute opinion of the Board is in any way detrimental to the
         interests of any member of the Group, or shall be in breach of any of
         the terms of this Agreement, or shall commit any act of bankruptcy or
         become insolvent, or make any arrangements or composition with his
         creditors generally, or become through mental disorder incapable of
         managing his own affairs, or fail to pay his personal debts or shall be
         guilty of persistent insobriety or be convicted of any criminal offence
         involving his integrity or honesty, the Company may terminate the
         Executive's employment hereunder forthwith without any notice or
         payment in lieu of notice and upon such termination, the Executive
         shall not be entitled to any bonus or any payment whatsoever (other
         than salary actually accrued due and payable pursuant to Clause 5(a))
         for or in respect of the then current year of service or to claim any
         compensation or damages for or in respect of or by reason of such
         termination.

10.03    In the event that: (a) the Executive is lawfully removed from his
         office as a director of the Company by virtue of a resolution passed by
         the members of the Company; or (b) the Executive, having retired from
         the office of director of the Company in accordance with the Bye-laws
         of the Company or any other applicable regulation or law, is not
         re-elected as a director of the Company by the shareholders of the
         Company at an annual general meeting of the Company, the Company may
         within seven (7) days of the date of such vacation from office by the
         Executive, terminate this Agreement forthwith by written notice to the
         Executive.
<PAGE>   8
10.04    In the event of termination of the Executive's employment for whatever
         reason, the Executive shall:

         (a)      (if not already vacated from such office(s)) forthwith resign
                  as a director of the Company and from all directorships or
                  other offices held by him in any member of the Group (and the
                  Executive irrevocably authorises the Company in his name and
                  on his behalf to execute all documents and do all things
                  necessary to effect such resignation in the event of his
                  failure to do so); and

         (b)      shall cease to be entitled to any benefits under this
                  Agreement

         and the Executive shall not be entitled to claim any other compensation
         whatsoever from the Company in respect of such termination except where
         the Board otherwise agrees or as expressly provided for under this
         Agreement.

10.05    Any delay or forbearance by the Company in exercising any right to
         terminate this Agreement shall not constitute a waiver of such right.

10.06    If notice is served by either party pursuant to Clause 3, then for up
         to a maximum period of three (3) months, the Company shall not be
         obliged, at any time after the notice of termination is served, to
         provide any work for the Executive or to assign to or vest in the
         Executive any powers, duties or functions and may in its absolute
         discretion suspend the Executive from work, and suspend the contractual
         benefits of the Executive set out in Clause 5(b) and 6 and to require
         the Executive to refrain from entering any premises of any member(s) of
         the Group and to refrain from contacting any customers, clients,
         employees or suppliers of any member(s) of the Group.


11.      EXECUTIVE'S UNDERTAKINGS

11.01    The Executive shall not either during the continuance of his employment
         hereunder or at any time thereafter divulge to any person whomsoever or
         to any body corporate or unincorporated (except to those officers of
         the Group whose province it is to know the same) or use for his own
         purposes or for any purposes other than those of the Group and shall
         use his best endeavours to prevent the unauthorised publication or
         disclosure of any trade secret or any confidential information
         concerning the business or finances of any member of the Group or any
         of its dealings, transactions or affairs or those of its customers,
         suppliers, management and shareholders which may come to his knowledge
         during or in the course of his employment. Confidential information
         shall include, without limitation, lists or details of customers and
         suppliers, information relating to the working of any process of
         invention carried on or used by any member of the Group, information
         relating to research and other projects, prices, discounts, mark-ups,
         future business strategy and development, marketing, price-sensitive
         information and any other information which is not generally available
         to the public.
<PAGE>   9
11.02    Forthwith upon the termination of the employment of the Executive
         hereunder, and/or at any other time if the Company shall so request,
         the Executive shall deliver to the Company all documents (including
         correspondence, lists of customers, notes, memoranda, plans, drawings
         and other documents of whatsoever nature), models or samples made or
         compiled by or delivered to the Executive during his employment
         hereunder and concerning the business, finances or affairs of any
         member of the Group and credit cards and any equipment used by or made
         available to the Executive by the Company or any member of the Group.
         For the avoidance of doubt it is hereby declared that the property in
         all such documents as aforesaid shall at all times be vested in the
         relevant member of the Group.

11.03    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter,
         in any country or place where any member of the Group has carried on
         business, carry on or be employed or interested directly or indirectly
         in (whether as shareholder, director, partner, agent or otherwise and
         whether alone or jointly with others) any business carried on by any
         member of the Group during the continuance of the said employment in
         competition with any member of the Group (other than as a holder of not
         more than five (5) per cent of the issued shares, debentures or other
         securities of any company listed on any recognised stock exchange)
         provided that the provisions of this Clause 11.03 shall only apply in
         respect of business activities or services with which the Executive was
         personally concerned or for which he was responsible during his said
         employment.

11.04    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter
         either on his own account or in conjunction with or on behalf of any
         other person or body corporate or unincorporated in competition with
         any member of the Group directly or indirectly solicit or entice away
         from any member of the Group, any person or body corporate or
         unincorporated who now is or at any time during or at the date of the
         termination of the said employment may have been or become a customer
         or supplier or prospective customer or supplier of any member of the
         Group and with whom the Executive had personal contact or dealings
         during his said employment.

11.05    The Executive shall not at any time during the continuance of his
         employment hereunder or for a period of twelve (12) months thereafter
         solicit or entice away from any member of the Group or employ or
         otherwise engage any person who now is or at any time during or at the
         date of the termination of the said employment may have become an
         employee of any member of the Group and with whom the Executive had
         contact during his said employment, whether or not such person would
         commit any breach of his contract of employment by reason of leaving
         the service of the relevant member of the Group.

11.06    The Executive shall not at any time or for any purpose after
         termination of his employment hereunder use either the English or
         Chinese name of the Company or any name similar thereto in connection
         with his own or any other name in any way calculated to suggest that he
         is or has been connected with the Company's business, nor in any way
         hold himself out as having had any such connection.
<PAGE>   10
11.07    While the restrictions contained in Clauses 11.01 to 11.06 are
         considered by the parties to be reasonable for the protection of the
         business and interest of the Group and in all the circumstances and do
         not work harshly upon the Executive it is recognised that restrictions
         of the nature in question may fail for technical reasons unforeseen and
         accordingly it is hereby agreed and declared that if any such
         restrictions shall be adjudged to be void as going beyond what is
         reasonable in all the circumstances for the protection of the interests
         of the member(s) of the Group but would be valid if part of the wording
         thereof were deleted or the periods (if any) thereof were reduced or
         the range of products or area dealt with thereby were reduced in scope,
         the said restriction shall apply with such modifications as may be
         necessary to make it valid and effective.


12.      INTELLECTUAL PROPERTY RIGHTS

12.01    The Company (or any other member of the Group as the case may be) shall
         be entitled free of charge to the sole ownership and exclusive use of
         any invention or improvement made or discovered by the Executive and of
         any copyright, design right, trade mark, service mark or trade name
         created or used by the Executive (hereinafter referred to as the
         "intellectual property rights") in the course of or for the purpose of
         providing services hereunder to the Company or any other member of the
         Group.

12.02    The Executive shall forthwith and from time to time both during and
         after the term of this Agreement and at the request and cost of the
         Company, insofar as it is within his power, do such acts and things and
         execute such documents, as may in the opinion of the Company be
         reasonably necessary for obtaining letters patent, registration or
         other protection for any such intellectual property rights in any part
         of the world and shall effect such registration and vest such letters
         patent or other protection in the Company (or any other member of the
         Group as the case may be) or its nominees. The Executive irrevocably
         authorises the Company for the purposes aforesaid in the name of the
         Executive and execute any document or do anything on his behalf. The
         Executive shall at the cost and request of the Company render all
         reasonable assistance to the Company (or any other member of the Group
         as the case may be) for and in connection with the purposes aforesaid.

12.03    The Executive shall not during or after the termination of the
         Agreement use to the detriment or prejudice of the Group or divulge to
         any person any confidential information concerning the intellectual
         property rights of the Group which may have come to his knowledge.


13.      MISCELLANEOUS


13.01    This Agreement shall be in substitution for any subsisting agreement or
         arrangement (oral or otherwise) made between the Company and the
         Executive which shall be deemed to have been terminated by mutual
         consent as from the date on which the Executive's employment under this
         Agreement commences.
<PAGE>   11
13.02    The expiration or termination of this Agreement howsoever arising shall
         not operate to affect such of the provisions hereof as in accordance
         with their terms are expressed to operate or have effect thereafter.

13.03    In the event of any variation of the remuneration payable to the
         Executive hereunder being made by consent of the parties hereto, such
         variation shall not constitute a new agreement but (subject to any
         express agreement to the contrary) the employment of the Executive
         hereunder shall continue subject in all respects to the terms and
         conditions of this Agreement with such variation as aforesaid.

13.04    Each notice, demand or other communication given or made under this
         Agreement shall be in writing and delivered or sent to the relevant
         party at its address or facsimile number set out below (or such other
         address or facsimile number as the addressee has by five (5) days'
         prior written notice specified to the other parties):

         To the Company:                    Man Sang International Limited
                                            21st Floor, Railway Plaza
                                            39 Chatham Road South
                                            Tsim Sha Tsui, Kowloon
                                            Hong Kong
                                            Fax number:  (852) 2317 5243
                                            Attention:  Mr. Cheng Chung Hing

         To the Executive:                  Ng Hak Yee
                                            Flat 1905, Block E, Amoy Gardens
                                            Ngau Tau Kok, Kowloon
                                            Hong Kong

         Any notice, demand or other communication so addressed to the relevant
         party shall be deemed to have been delivered (a) if given or made by
         letter, by post, two (2) clear business days after the date of posting,
         or by recorded delivery, when actually delivered to the relevant
         address; and (b) if given or made by facsimile, when despatched subject
         to receipt of machine-printed confirmation of error-free despatch of
         the whole of the notice, demand or communication to the facsimile
         number of the intended addressee.

13.05    If at any time any provision of this Agreement is or becomes illegal,
         invalid or unenforceable in any respect, the legality, validity and
         enforceability of the remaining provisions of this Agreement shall not
         be affected or impaired thereby.

13.06    No failure or delay by the Company in exercising any right, power or
         remedy under this Agreement shall operate as a waiver thereof, nor
         shall any single or partial exercise of the same preclude any further
         exercise thereof or the exercise of any other right, power or remedy.
         Without limiting the foregoing, no waiver by the Company of any breach
         by the Executive of any provision in this Agreement shall be deemed to
         be a waiver of any subsequent breach of that or any other provision in
         this Agreement.
<PAGE>   12
13.07    This Agreement shall be governed by and construed in accordance with
         the laws of Hong Kong and the parties hereby irrevocably submit to the
         non-exclusive jurisdiction of the Hong Kong courts.
<PAGE>   13
IN WITNESS WHEREOF this Agreement has been executed on the day and year first
above written.



SIGNED by                            )
                                     )
for and on behalf of MAN SANG        )
INTERNATIONAL LIMITED                )
in the presence of:                  )






SIGNED by                            )
NG HAK YEE                           )
in the presence of:                  )

<PAGE>   1
                      DATED THE 8TH DAY OF SEPTEMBER, 1997





                         MAN SANG INTERNATIONAL LIMITED



                                       AND



                                 YAN SAU MAN AMY






                                -----------------

                                SERVICE AGREEMENT

                                -----------------








                                 BAKER & McKENZIE
                           14th Floor Hutchison House
                                10 Harcourt Road
                                    Hong Kong

                                   (LKL/EC/IW)
<PAGE>   2
                                     CONTENT

CLAUSE                              DESCRIPTION                             PAGE
- ------                              -----------                             ----

1.       INTERPRETATION.....................................................   1

2.       APPOINTMENT........................................................   2

3.       DURATION...........................................................   2

4.       EXECUTIVE'S DUTIES.................................................   2

5.       REMUNERATION.......................................................   3

6.       OTHER BENEFITS.....................................................   4

7.       EXPENSES...........................................................   4

8.       DEDUCTIONS.........................................................   4

9.       LEAVE..............................................................   4

10.      TERMINATION........................................................   5

11.      EXECUTIVE'S UNDERTAKINGS...........................................   6

12.      INTELLECTUAL PROPERTY RIGHTS.......................................   8

13.      MISCELLANEOUS......................................................   8

EXECUTION...................................................................  10
<PAGE>   3
THIS AGREEMENT is made on the 8th day of September, 1997


BETWEEN:

(1)      MAN SANG INTERNATIONAL LIMITED, a company incorporated under the laws
         of Bermuda and having its registered office at Clarendon House, 2
         Church Street, Hamilton HM11, Bermuda and its principal place of
         business in Hong Kong at 21st Floor, Railway Plaza, 39 Chatham Road
         South, Tsim Sha Tsui, Kowloon, Hong Kong (the "Company"); and

(2)      YAN SAU MAN AMY of Flat A, 10th Floor, Amigo Mansion, 79A
         Wong Ngai Chung Road, Happy Valley, Hong Kong (the
         "Executive").


WHEREBY IT IS AGREED as follows:

1.       INTERPRETATION

1.01     In this Agreement, unless the context requires otherwise:

         "Board" means the board of directors for the time being of the Company;

         "Group" means the Company and its subsidiaries from time to time and
         "member of the Group" shall be construed accordingly;

         "HK$" means Hong Kong dollars;

         "Hong Kong" means the Hong Kong Special Administrative Region of the
         People's Republic of China;

         "Listing Rules" means the Rules Governing the Listing of Securities on
         The Stock Exchange of Hong Kong Limited (as the same may be amended
         from time to time); and

         "month" means calendar month.

1.02     References herein to Clauses are to clauses in this Agreement unless
         the context requires otherwise.

1.03     The headings are inserted for convenience only and shall not affect the
         construction of this Agreement.

1.04     Unless the context requires otherwise, words importing the singular
         include the plural and vice versa and words importing a gender include
         every gender.
<PAGE>   4
2.       APPOINTMENT

         The Company will employ the Executive and the Executive hereby agrees
         to serve the Company as an executive director upon the terms and
         subject to the conditions hereinafter appearing.


3.       DURATION

         Subject to termination as hereinafter provided, the Company will employ
         the Executive with effect from 1 September 1997 for an initial term of
         three (3) years until terminated by either party giving to the other
         not less than three (3) months' notice in writing.


4.       EXECUTIVE'S DUTIES

         The Executive shall, during the continuance of her employment
         hereunder:

         (a)      serve the Company as an executive director and, in such
                  capacity, perform the duties and exercise the powers from time
                  to time assigned to or vested in her by the Board (including
                  (without further remuneration unless otherwise agreed) serving
                  on the board of directors, or in any other office, of any
                  member(s) of the Group, as the Board may require) and she will
                  perform those duties at such place or places in Hong Kong or
                  elsewhere as the Board may from time to time determine;

         (b)      comply with and conform to any lawful instructions or
                  directions from time to time given or made by the Board, or
                  with the authority of the Board, and shall comply with the
                  Company's rules, regulations, policies and procedures from
                  time to time in force;

         (c)      faithfully and diligently serve the Group and use her best
                  endeavours to promote the business and interests thereof;

         (d)      devote herself exclusively and diligently to the business and
                  interests of the Group and personally attend thereto at all
                  times during usual business hours and during such other times
                  as the Company may reasonably require except in case of
                  incapacity through illness or accident in which case she shall
                  forthwith notify the Secretary of the Company of such
                  incapacity and shall furnish to the Board such evidence
                  thereof as it may require;

         (e)      keep the Board promptly and fully informed (in writing if so
                  requested) of her conduct of the business or affairs of the
                  Group and provide such explanations as the Board may require
                  in connection therewith;
<PAGE>   5
         (f)      carry out her duties and exercise her powers jointly with any
                  other director or executive of any member of the Group as
                  shall from time to time be appointed by the Board to act
                  jointly with the Executive and the Board may at any time
                  require the Executive to cease performing or exercising any of
                  her duties or powers under this Agreement; and

         (g)      comply with the relevant requirements of all applicable laws,
                  regulations, codes of practice and rules (including Securities
                  (Insider Dealing) Ordinance, the Rules Governing the Listing
                  of Securities on The Stock Exchange of Hong Kong Limited and
                  the Model Code for Securities Transactions by Directors of
                  Listed Companies set out in Appendix 10 therein and the rules
                  of any other stock exchange, market or dealing system on which
                  the securities of any member of the Group is traded and the
                  applicable laws, regulations, codes of practice in that
                  jurisdiction).


5.       REMUNERATION

         The remuneration of the Executive shall be:

         (a)      an annual salary of HK$1,000,000.00, such salary to include
                  any sum receivable as director's fees or other remuneration
                  from any other member of the Group (if any). This salary will
                  be reviewed by the Board in each year at the time of the
                  annual salary reviews for senior executives provided that the
                  Executive shall abstain from voting and shall not be counted
                  in the quorum in respect of any resolution regarding the
                  amount payable to herself in relation to her employment under
                  this Agreement which is proposed at any meeting of the Board;

         (b)      in respect of every financial year of the Company (which
                  expression shall include any other financial period in respect
                  of which the Company's accounts are made up), a discretionary
                  bonus of such amount as shall be determined by the Board
                  (provided that the aggregate of such amount and all
                  discretionary bonuses payable by the Company to its executive
                  directors in any financial year shall not exceed ten per cent.
                  of the net profits (after tax and after extraordinary items)
                  of the Company for such year as shown in its audited
                  accounts), payable within thirty (30) days after the Company's
                  accounts for the relevant year have been audited and
                  certified, provided that such discretionary bonus shall be
                  paid only on a pro rata basis in respect of any financial year
                  of the Company during a portion only of which the Executive
                  has served the Company hereunder, unless her employment shall
                  have been terminated pursuant to Clause 10.02, in which case
                  no discretionary bonus is payable.
<PAGE>   6
6.       OTHER BENEFITS

6.01     In addition to the foregoing remuneration and benefits, the Executive
         shall also be entitled to the use of the corporate membership of the
         Group at Tower Club and the payment of all entrance fees, debentures,
         monthly subscriptions but not chits in connection therewith during the
         continuance of her employment hereunder, subject to determination by
         the Board as to the appropriate level of cost of each item.

6.02     In addition to the above benefits, the Executive shall also be entitled
         to such other benefits under any applicable employee benefit plan and
         employee share option scheme adopted by the Company and any member of
         the Group of which the Executive is a director or holds office for
         their respective employees (including the Executive) as the Board shall
         from time to time determine.


7.       EXPENSES

         The Company shall reimburse the Executive (against receipts or such
         other reasonable evidence of expenditure as the Board may require) for
         all reasonable expenses properly incurred in the course of her
         employment hereunder or in promoting or otherwise in connection with
         the business of the Company.


8.       DEDUCTIONS

         The Company shall be entitled, subject to any laws or agreements to the
         contrary, at any time to deduct from the Executive's remuneration
         hereunder any monies due from her to any member of the Group including,
         but not limited to, any outstanding loans, advances, the cost of
         repairing any damage to or loss of the Company's property caused by her
         (and of recovering the same) and any other monies owed by her to the
         Company or any of its subsidiaries.


9.       LEAVE

         The Executive shall be entitled after completion of each year of
         service with the Company to fifteen (15) days' leave (in addition to
         public holidays) with full pay, which leave shall be taken at such time
         or times as may be convenient to the Board having regard to the
         exigencies of the Group's business provided that:

         (a)      if the employment of the Executive hereunder is to cease on
                  the completion of any year of service, the Executive shall be
                  entitled to take her said leave immediately prior to the end
                  of such year of service notwithstanding that at that time such
                  year of service shall not have been completed;

         (b)      if the employment of the Executive hereunder is to cease (for
                  any reason other than termination pursuant to Clause 10.02)
                  during any year of service, the
<PAGE>   7
                  Executive shall be entitled to an amount of leave
                  proportionate to the part of the year during which she has
                  been employed by the Company, such leave to be taken
                  immediately prior to the termination of her employment; and

         (c)      if for any reason the Executive shall not have taken her full
                  entitlement of leave in any particular year she shall not have
                  any claim against the Company in respect thereof nor, unless
                  the reason is the exigencies of the Company's business (of
                  which the Board shall be the sole judge), shall she be
                  entitled to additional leave in any year in respect of leave
                  not taken in previous years.


10.      TERMINATION

10.01    If the Executive is at any time incapacitated by illness, injury or
         accident from performing her duties hereunder and (if so required)
         furnishes the Board with evidence satisfactory to it of such incapacity
         and the cause thereof she shall be entitled to receive her full salary
         for the first three (3) months or any shorter period during which such
         incapacity continues and if she continues so incapacitated for a longer
         period than three (3) consecutive months or if she is so incapacitated
         at different times for more than ninety (90) days in any one period of
         fifty-two (52) consecutive weeks then and in either of such cases her
         employment may be terminated by the Company by one (1) month's notice
         in writing.

10.02    If at any time during the term of her employment hereunder the
         Executive shall be guilty of or commit any serious misconduct which in
         the absolute opinion of the Board is in any way detrimental to the
         interests of any member of the Group, or shall be in breach of any of
         the terms of this Agreement, or shall commit any act of bankruptcy or
         become insolvent, or make any arrangements or composition with her
         creditors generally, or become through mental disorder incapable of
         managing her own affairs, or fail to pay her personal debts or shall be
         guilty of persistent insobriety or be convicted of any criminal offence
         involving her integrity or honesty, the Company may terminate the
         Executive's employment hereunder forthwith without any notice or
         payment in lieu of notice and upon such termination, the Executive
         shall not be entitled to any bonus or any payment whatsoever (other
         than salary actually accrued due and payable pursuant to Clause 5(a))
         for or in respect of the then current year of service or to claim any
         compensation or damages for or in respect of or by reason of such
         termination.

10.03    In the event that: (a) the Executive is lawfully removed from her
         office as a director of the Company by virtue of a resolution passed by
         the members of the Company; or (b) the Executive, having retired from
         the office of director of the Company in accordance with the Bye-laws
         of the Company or any other applicable regulation or law, is not
         re-elected as a director of the Company by the shareholders of the
         Company at an annual general meeting of the Company, the Company may
         within seven (7) days of the date of such vacation from office by the
         Executive, terminate this Agreement forthwith by written notice to the
         Executive.
<PAGE>   8
10.04    In the event of termination of the Executive's employment for whatever
         reason, the Executive shall:

         (a)      (if not already vacated from such office(s)) forthwith resign
                  as a director of the Company and from all directorships or
                  other offices held by her in any member of the Group (and the
                  Executive irrevocably authorises the Company in her name and
                  on her behalf to execute all documents and do all things
                  necessary to effect such resignation in the event of her
                  failure to do so); and

         (b)      shall cease to be entitled to any benefits under this
                  Agreement

         and the Executive shall not be entitled to claim any other compensation
         whatsoever from the Company in respect of such termination except where
         the Board otherwise agrees or as expressly provided for under this
         Agreement.

10.05    Any delay or forbearance by the Company in exercising any right to
         terminate this Agreement shall not constitute a waiver of such right.

10.06    If notice is served by either party pursuant to Clause 3, then for up
         to a maximum period of three (3) months, the Company shall not be
         obliged, at any time after the notice of termination is served, to
         provide any work for the Executive or to assign to or vest in the
         Executive any powers, duties or functions and may in its absolute
         discretion suspend the Executive from work, and suspend the contractual
         benefits of the Executive set out in Clause 5(b) and 6 and to require
         the Executive to refrain from entering any premises of any member(s) of
         the Group and to refrain from contacting any customers, clients,
         employees or suppliers of any member(s) of the Group.


11.      EXECUTIVE'S UNDERTAKINGS

11.01    The Executive shall not either during the continuance of her employment
         hereunder or at any time thereafter divulge to any person whomsoever or
         to any body corporate or unincorporated (except to those officers of
         the Group whose province it is to know the same) or use for her own
         purposes or for any purposes other than those of the Group and shall
         use her best endeavours to prevent the unauthorised publication or
         disclosure of any trade secret or any confidential information
         concerning the business or finances of any member of the Group or any
         of its dealings, transactions or affairs or those of its customers,
         suppliers, management and shareholders which may come to her knowledge
         during or in the course of her employment. Confidential information
         shall include, without limitation, lists or details of customers and
         suppliers, information relating to the working of any process of
         invention carried on or used by any member of the Group, information
         relating to research and other projects, prices, discounts, mark-ups,
         future business strategy and development, marketing, price-sensitive
         information and any other information which is not generally available
         to the public.
<PAGE>   9
11.02    Forthwith upon the termination of the employment of the Executive
         hereunder, and/or at any other time if the Company shall so request,
         the Executive shall deliver to the Company all documents (including
         correspondence, lists of customers, notes, memoranda, plans, drawings
         and other documents of whatsoever nature), models or samples made or
         compiled by or delivered to the Executive during her employment
         hereunder and concerning the business, finances or affairs of any
         member of the Group and credit cards and any equipment used by or made
         available to the Executive by the Company or any member of the Group.
         For the avoidance of doubt it is hereby declared that the property in
         all such documents as aforesaid shall at all times be vested in the
         relevant member of the Group.

11.03    The Executive shall not at any time during the continuance of her
         employment hereunder or for a period of twelve (12) months thereafter,
         in any country or place where any member of the Group has carried on
         business, carry on or be employed or interested directly or indirectly
         in (whether as shareholder, director, partner, agent or otherwise and
         whether alone or jointly with others) any business carried on by any
         member of the Group during the continuance of the said employment in
         competition with any member of the Group (other than as a holder of not
         more than five (5) per cent of the issued shares, debentures or other
         securities of any company listed on any recognised stock exchange)
         provided that the provisions of this Clause 11.03 shall only apply in
         respect of business activities or services with which the Executive was
         personally concerned or for which she was responsible during her said
         employment.

11.04    The Executive shall not at any time during the continuance of her
         employment hereunder or for a period of twelve (12) months thereafter
         either on her own account or in conjunction with or on behalf of any
         other person or body corporate or unincorporated in competition with
         any member of the Group directly or indirectly solicit or entice away
         from any member of the Group, any person or body corporate or
         unincorporated who now is or at any time during or at the date of the
         termination of the said employment may have been or become a customer
         or supplier or prospective customer or supplier of any member of the
         Group and with whom the Executive had personal contact or dealings
         during her said employment.

11.05    The Executive shall not at any time during the continuance of her
         employment hereunder or for a period of twelve (12) months thereafter
         solicit or entice away from any member of the Group or employ or
         otherwise engage any person who now is or at any time during or at the
         date of the termination of the said employment may have become an
         employee of any member of the Group and with whom the Executive had
         contact during her said employment, whether or not such person would
         commit any breach of her contract of employment by reason of leaving
         the service of the relevant member of the Group.

11.06    The Executive shall not at any time or for any purpose after
         termination of her employment hereunder use either the English or
         Chinese name of the Company or any name similar thereto in connection
         with her own or any other name in any way calculated to suggest that
         she is or has been connected with the Company's business, nor in any
         way hold herself out as having had any such connection.
<PAGE>   10
11.07    While the restrictions contained in Clauses 11.01 to 11.06 are
         considered by the parties to be reasonable for the protection of the
         business and interest of the Group and in all the circumstances and do
         not work harshly upon the Executive it is recognised that restrictions
         of the nature in question may fail for technical reasons unforeseen and
         accordingly it is hereby agreed and declared that if any such
         restrictions shall be adjudged to be void as going beyond what is
         reasonable in all the circumstances for the protection of the interests
         of the member(s) of the Group but would be valid if part of the wording
         thereof were deleted or the periods (if any) thereof were reduced or
         the range of products or area dealt with thereby were reduced in scope,
         the said restriction shall apply with such modifications as may be
         necessary to make it valid and effective.


12.      INTELLECTUAL PROPERTY RIGHTS

12.01    The Company (or any other member of the Group as the case may be) shall
         be entitled free of charge to the sole ownership and exclusive use of
         any invention or improvement made or discovered by the Executive and of
         any copyright, design right, trade mark, service mark or trade name
         created or used by the Executive (hereinafter referred to as the
         "intellectual property rights") in the course of or for the purpose of
         providing services hereunder to the Company or any other member of the
         Group.

12.02    The Executive shall forthwith and from time to time both during and
         after the term of this Agreement and at the request and cost of the
         Company, insofar as it is within her power, do such acts and things and
         execute such documents, as may in the opinion of the Company be
         reasonably necessary for obtaining letters patent, registration or
         other protection for any such intellectual property rights in any part
         of the world and shall effect such registration and vest such letters
         patent or other protection in the Company (or any other member of the
         Group as the case may be) or its nominees. The Executive irrevocably
         authorises the Company for the purposes aforesaid in the name of the
         Executive and execute any document or do anything on her behalf. The
         Executive shall at the cost and request of the Company render all
         reasonable assistance to the Company (or any other member of the Group
         as the case may be) for and in connection with the purposes aforesaid.

12.03    The Executive shall not during or after the termination of the
         Agreement use to the detriment or prejudice of the Group or divulge to
         any person any confidential information concerning the intellectual
         property rights of the Group which may have come to her knowledge.


13.      MISCELLANEOUS

13.01    This Agreement shall be in substitution for any subsisting agreement or
         arrangement (oral or otherwise) made between the Company and the
         Executive which shall be deemed to have been terminated by mutual
         consent as from the date on which the Executive's employment under this
         Agreement commences.
<PAGE>   11
13.02    The expiration or termination of this Agreement howsoever arising shall
         not operate to affect such of the provisions hereof as in accordance
         with their terms are expressed to operate or have effect thereafter.

13.03    In the event of any variation of the remuneration payable to the
         Executive hereunder being made by consent of the parties hereto, such
         variation shall not constitute a new agreement but (subject to any
         express agreement to the contrary) the employment of the Executive
         hereunder shall continue subject in all respects to the terms and
         conditions of this Agreement with such variation as aforesaid.

13.04    Each notice, demand or other communication given or made under this
         Agreement shall be in writing and delivered or sent to the relevant
         party at its address or facsimile number set out below (or such other
         address or facsimile number as the addressee has by five (5) days'
         prior written notice specified to the other parties):

         To the Company:                    Man Sang International Limited
                                            21st Floor, Railway Plaza
                                            39 Chatham Road South
                                            Tsim Sha Tsui, Kowloon
                                            Hong Kong
                                            Fax number:  (852) 2317 5243
                                            Attention:  Mr. Cheng Chung Hing

         To the Executive:                  Yan Sau Man Amy
                                            Flat A, 10th Floor, Amigo Mansion
                                            79A Wong Ngai Chung Road
                                            Happy Valley
                                            Hong Kong


         Any notice, demand or other communication so addressed to the relevant
         party shall be deemed to have been delivered (a) if given or made by
         letter, by post, two (2) clear business days after the date of posting,
         or by recorded delivery, when actually delivered to the relevant
         address; and (b) if given or made by facsimile, when despatched subject
         to receipt of machine-printed confirmation of error-free despatch of
         the whole of the notice, demand or communication to the facsimile
         number of the intended addressee.

13.05    If at any time any provision of this Agreement is or becomes illegal,
         invalid or unenforceable in any respect, the legality, validity and
         enforceability of the remaining provisions of this Agreement shall not
         be affected or impaired thereby.

13.06    No failure or delay by the Company in exercising any right, power or
         remedy under this Agreement shall operate as a waiver thereof, nor
         shall any single or partial exercise of the same preclude any further
         exercise thereof or the exercise of any other right, power or remedy.
         Without limiting the foregoing, no waiver by the Company
<PAGE>   12
         of any breach by the Executive of any provision in this Agreement shall
         be deemed to be a waiver of any subsequent breach of that or any other
         provision in this Agreement.

13.07    This Agreement shall be governed by and construed in accordance with
         the laws of Hong Kong and the parties hereby irrevocably submit to the
         non-exclusive jurisdiction of the Hong Kong courts.
<PAGE>   13
IN WITNESS WHEREOF this Agreement has been executed on the day and year first
above written.



SIGNED by                           )
                                    )
for and on behalf of MAN SANG       )
INTERNATIONAL LIMITED               )
in the presence of:                 )






SIGNED by                           )
YAN SAU MAN AMY                     )
in the presence of:                 )



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