<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FOR THE
QUARTERLY PERIOD ENDED JUNE 30, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             APR-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                          33,642
<SECURITIES>                                         0
<RECEIVABLES>                                   15,287
<ALLOWANCES>                                       600
<INVENTORY>                                     11,060
<CURRENT-ASSETS>                                62,130
<PP&E>                                          45,101
<DEPRECIATION>                                  21,692
<TOTAL-ASSETS>                                  92,628
<CURRENT-LIABILITIES>                           10,458
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        29,222
<OTHER-SE>                                      52,501
<TOTAL-LIABILITY-AND-EQUITY>                    92,628
<SALES>                                         60,673
<TOTAL-REVENUES>                                60,673
<CGS>                                           47,188
<TOTAL-COSTS>                                   47,188
<OTHER-EXPENSES>                                 4,381
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  9,772
<INCOME-TAX>                                     4,104
<INCOME-CONTINUING>                              5,668
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,668
<EPS-BASIC>                                        .71
<EPS-DILUTED>                                      .71