<ARTICLE> 5 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> JUN-30-1999 <CASH> 12,509,204 <SECURITIES> 0 <RECEIVABLES> 111,136,544 <ALLOWANCES> 3,414,000 <INVENTORY> 69,320,978 <CURRENT-ASSETS> 194,259,110 <PP&E> 263,605,061 <DEPRECIATION> 105,999,157 <TOTAL-ASSETS> 514,347,640 <CURRENT-LIABILITIES> 87,867,155 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 11,650,116 <OTHER-SE> 212,302,376 <TOTAL-LIABILITY-AND-EQUITY> 514,347,640 <SALES> 274,389,456 <TOTAL-REVENUES> 274,389,456 <CGS> 173,010,818 <TOTAL-COSTS> 243,992,474 <OTHER-EXPENSES> 65,225,041 <LOSS-PROVISION> 3,414,000 <INTEREST-EXPENSE> 5,756,615 <INCOME-PRETAX> 30,396,982 <INCOME-TAX> 12,962,000 <INCOME-CONTINUING> 17,434,982 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 17,434,982 <EPS-BASIC> 0.95 <EPS-DILUTED> 0.95