<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 6-MOS
<FISCAL-YEAR-END> JAN-31-2001 JAN-31-2001
<PERIOD-START> MAY-01-2000 FEB-01-2000
<PERIOD-END> JUL-31-2000 JUL-31-2000
<CASH> 33,328 33,328
<SECURITIES> 0 0
<RECEIVABLES> 9,814,136 9,814,136
<ALLOWANCES> 0 0
<INVENTORY> 12,927,227 12,927,227
<CURRENT-ASSETS> 23,391,080 23,391,080
<PP&E> 18,979,370 18,979,370
<DEPRECIATION> 10,791,042 10,791,042
<TOTAL-ASSETS> 34,397,660 34,397,660
<CURRENT-LIABILITIES> 10,888,036 10,888,036
<BONDS> 0 0
0 0
0 0
<COMMON> 74,660 74,660
<OTHER-SE> 10,807,476 10,807,476
<TOTAL-LIABILITY-AND-EQUITY> 34,397,660 34,397,660
<SALES> 26,063,586 52,645,606
<TOTAL-REVENUES> 26,063,586 52,645,606
<CGS> 19,919,426 40,335,637
<TOTAL-COSTS> 19,919,426 40,335,637
<OTHER-EXPENSES> 5,458,529 10,977,316
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 373,660 756,313
<INCOME-PRETAX> 311,971 576,340
<INCOME-TAX> 0 0
<INCOME-CONTINUING> 311,971 576,340
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 311,971 576,340
<EPS-BASIC> 0.04 0.08
<EPS-DILUTED> 0.04 0.08
</TABLE>