
<TABLE> <S> <C>

<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                               0
<SECURITIES>                                         0
<RECEIVABLES>                               17,465,800
<ALLOWANCES>                                   830,600
<INVENTORY>                                 19,365,000
<CURRENT-ASSETS>                            38,822,200
<PP&E>                                      48,180,700
<DEPRECIATION>                              25,346,000
<TOTAL-ASSETS>                              62,452,300
<CURRENT-LIABILITIES>                       13,559,300
<BONDS>                                      4,500,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                     4,259,400
<OTHER-SE>                                  36,930,700
<TOTAL-LIABILITY-AND-EQUITY>                62,452,300
<SALES>                                     50,203,700
<TOTAL-REVENUES>                            50,203,700
<CGS>                                       41,198,100
<TOTAL-COSTS>                               41,198,100
<OTHER-EXPENSES>                            11,235,700
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             242,300
<INCOME-PRETAX>                              1,492,100
<INCOME-TAX>                               (1,665,300)
<INCOME-CONTINUING>                          3,157,400
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 3,157,400
<EPS-PRIMARY>                                     0.74
<EPS-DILUTED>                                     0.74
        

</TABLE>
