<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               JUN-30-1997
<CASH>                                       1,820,000
<SECURITIES>                                         0
<RECEIVABLES>                               18,394,000
<ALLOWANCES>                                 (466,000)
<INVENTORY>                                 17,343,000
<CURRENT-ASSETS>                            39,479,000
<PP&E>                                     101,801,000
<DEPRECIATION>                            (35,618,000)
<TOTAL-ASSETS>                             115,401,000
<CURRENT-LIABILITIES>                       17,786,000
<BONDS>                                              0
<COMMON>                                     9,016,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                  66,114,000
<TOTAL-LIABILITY-AND-EQUITY>               115,401,000
<SALES>                                     73,672,000
<TOTAL-REVENUES>                            73,672,000
<CGS>                                       53,522,000
<TOTAL-COSTS>                               67,280,000
<OTHER-EXPENSES>                           (1,342,000)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                           1,506,000
<INCOME-PRETAX>                              6,228,000
<INCOME-TAX>                                 2,207,000
<INCOME-CONTINUING>                          4,021,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 4,021,000
<EPS-PRIMARY>                                     0.50
<EPS-DILUTED>                                     0.50