<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> FEB-28-2001
<PERIOD-START> MAR-01-2000
<PERIOD-END> AUG-31-2000
<CASH> 631,007
<SECURITIES> 0
<RECEIVABLES> 19,613,761
<ALLOWANCES> 675,860
<INVENTORY> 14,184,056
<CURRENT-ASSETS> 36,103,212
<PP&E> 50,202,592
<DEPRECIATION> 21,939,778
<TOTAL-ASSETS> 84,997,159
<CURRENT-LIABILITIES> 19,663,842
<BONDS> 26,339,729
6,304,580
0
<COMMON> 0
<OTHER-SE> 29,810,508
<TOTAL-LIABILITY-AND-EQUITY> 84,997,159
<SALES> 58,418,430
<TOTAL-REVENUES> 58,418,430
<CGS> 43,472,794
<TOTAL-COSTS> 50,891,046
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 1,240,590
<INCOME-PRETAX> 6,286,794
<INCOME-TAX> 2,363,720
<INCOME-CONTINUING> 3,923,074
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 3,923,074
<EPS-BASIC> .81
<EPS-DILUTED> .79
</TABLE>