<ARTICLE> 5 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> JUN-30-2000 <CASH> 1,376,657 <SECURITIES> 0 <RECEIVABLES> 119,590,565 <ALLOWANCES> 3,707,000 <INVENTORY> 84,022,813 <CURRENT-ASSETS> 207,055,093 <PP&E> 317,878,900 <DEPRECIATION> 132,608,378 <TOTAL-ASSETS> 586,930,016 <CURRENT-LIABILITIES> 98,654,853 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 12,053,806 <OTHER-SE> 198,510,968 <TOTAL-LIABILITY-AND-EQUITY> 586,930,016 <SALES> 327,821,536 <TOTAL-REVENUES> 327,821,536 <CGS> 288,668,076 <TOTAL-COSTS> 299,564,801 <OTHER-EXPENSES> 10,896,725 <LOSS-PROVISION> 3,707,000 <INTEREST-EXPENSE> 10,896,725 <INCOME-PRETAX> 28,256,735 <INCOME-TAX> 11,866,000 <INCOME-CONTINUING> 16,390,735 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 16,390,735 <EPS-BASIC> 0.83 <EPS-DILUTED> 0.83