<ARTICLE> 5 <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> JUN-30-1996 <EXCHANGE-RATE> 1 <CASH> 0 <SECURITIES> 0 <RECEIVABLES> 19,652 <ALLOWANCES> 115 <INVENTORY> 10,604 <CURRENT-ASSETS> 31,268 <PP&E> 50,960 <DEPRECIATION> 18,723 <TOTAL-ASSETS> 63,642 <CURRENT-LIABILITIES> 15,583 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 146 <OTHER-SE> 46,193 <TOTAL-LIABILITY-AND-EQUITY> 63,642 <SALES> 48,919 <TOTAL-REVENUES> 48,919 <CGS> 32,931 <TOTAL-COSTS> 36,900 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 187 <INCOME-PRETAX> 11,832 <INCOME-TAX> 4,080 <INCOME-CONTINUING> 7,752 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 7,752 <EPS-PRIMARY> 0.51 <EPS-DILUTED> 0.51