<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> JAN-31-2001
<PERIOD-START> AUG-1-2000
<PERIOD-END> OCT-31-2000
<CASH> 5,088
<SECURITIES> 0
<RECEIVABLES> 1,765,062
<ALLOWANCES> 15,000
<INVENTORY> 2,105,338
<CURRENT-ASSETS> 3,996,997
<PP&E> 4,055,777
<DEPRECIATION> 3,300,206
<TOTAL-ASSETS> 5,801,176
<CURRENT-LIABILITIES> 1,531,451
<BONDS> 0
0
0
<COMMON> 5,536,815
<OTHER-SE> (1,311,090)
<TOTAL-LIABILITY-AND-EQUITY> 5,801,176
<SALES> 6,081,810
<TOTAL-REVENUES> 6,081,810
<CGS> 4,224,759
<TOTAL-COSTS> 5,776,676
<OTHER-EXPENSES> (39,348)
<LOSS-PROVISION> 5,000
<INTEREST-EXPENSE> (47,234)
<INCOME-PRETAX> 219,217
<INCOME-TAX> 13,900
<INCOME-CONTINUING> 205,317
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 205,317
<EPS-BASIC> .03
<EPS-DILUTED> .03
</TABLE>