<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE COUNTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S FINANCIAL STATEMENTS IN ITS QUARTERLY REPORT ON FORM 10-Q FOR THE
QUARTERLY PERIOD ENDED SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-2001
<PERIOD-END> SEP-30-2000
<CASH> 1,472,969
<SECURITIES> 0
<RECEIVABLES> 16,678,977
<ALLOWANCES> 369,000
<INVENTORY> 26,662,953
<CURRENT-ASSETS> 47,639,845
<PP&E> 30,154,310
<DEPRECIATION> 13,673,466
<TOTAL-ASSETS> 65,313,276
<CURRENT-LIABILITIES> 16,487,394
<BONDS> 9,600,000
0
0
<COMMON> 50,807
<OTHER-SE> 41,603,419
<TOTAL-LIABILITY-AND-EQUITY> 65,313,276
<SALES> 57,407,174
<TOTAL-REVENUES> 57,407,174
<CGS> 40,432,171
<TOTAL-COSTS> 11,342,248
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 212,379
<INCOME-PRETAX> 5,420,376
<INCOME-TAX> 2,033,000
<INCOME-CONTINUING> 3,387,376
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 3,387,376
<EPS-BASIC> .69
<EPS-DILUTED> .69
</TABLE>