<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 1,870,720 <SECURITIES> 19,472 <RECEIVABLES> 1,895,679 <ALLOWANCES> 28,934 <INVENTORY> 2,507,609 <CURRENT-ASSETS> 6,416,266 <PP&E> 9,910,366 <DEPRECIATION> 5,372,720 <TOTAL-ASSETS> 11,099,553 <CURRENT-LIABILITIES> 1,458,777 <BONDS> 739,045 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 4,496,690 <OTHER-SE> 4,401,942 <TOTAL-LIABILITY-AND-EQUITY> 11,099,553 <SALES> 13,760,981 <TOTAL-REVENUES> 13,861,103 <CGS> 11,758,796 <TOTAL-COSTS> 1,133,965 <OTHER-EXPENSES> 6,067 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 30,847 <INCOME-PRETAX> 933,398 <INCOME-TAX> 371,000 <INCOME-CONTINUING> 562,398 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 562,398 <EPS-PRIMARY> .20 <EPS-DILUTED> .19