<TABLE> <S> <C>
<CAPTION>
EXHIBIT 27
EXHIBIT 27
<S> <C>
<ARTICLE> 5
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<CASH> 17,490,728
<SECURITIES> 0
<RECEIVABLES> 47,748,460
<ALLOWANCES> 368,738
<INVENTORY> 47,638,388
<CURRENT-ASSETS> 117,175,476
<PP&E> 174,137,853
<DEPRECIATION> 83,420,668
<TOTAL-ASSETS> 236,119,454
<CURRENT-LIABILITIES> 34,483,737
<BONDS> 14,661,000
0
0
<COMMON> 9,602,621
<OTHER-SE> 147,999,992
<TOTAL-LIABILITY-AND-EQUITY> 236,119,454
<SALES> 116,263,743
<TOTAL-REVENUES> 116,529,471
<CGS> 84,414,559
<TOTAL-COSTS> 103,688,621
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 435,877
<INCOME-PRETAX> 12,404,973
<INCOME-TAX> 4,208,000
<INCOME-CONTINUING> 8,196,973
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 8,196,973
<EPS-BASIC> 0.85
<EPS-DILUTED> 0.85
</TABLE>