<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FOR THE
QUARTERLY PERIOD ENDED JUNE 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.

<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             APR-01-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                          42,940
<SECURITIES>                                         0
<RECEIVABLES>                                   18,358
<ALLOWANCES>                                       500
<INVENTORY>                                     11,951
<CURRENT-ASSETS>                                75,995
<PP&E>                                          49,770
<DEPRECIATION>                                  25,869
<TOTAL-ASSETS>                                 101,513
<CURRENT-LIABILITIES>                            9,900
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        27,488
<OTHER-SE>                                      63,441
<TOTAL-LIABILITY-AND-EQUITY>                   101,513
<SALES>                                         83,935
<TOTAL-REVENUES>                                83,935
<CGS>                                           68,616
<TOTAL-COSTS>                                   68,616
<OTHER-EXPENSES>                                 4,259
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 12,127
<INCOME-TAX>                                     5,043
<INCOME-CONTINUING>                              7,084
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     7,084
<EPS-BASIC>                                        .92
<EPS-DILUTED>                                      .90