<TABLE> <S> <C>

<PAGE>

<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from financial
statements and notes thereto contained in the Company's annual report on Form
10-K filed on March 31, 1999 and is qualified in its entirety by reference to
such financial statements.
</LEGEND>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>
<PERIOD-TYPE>                   6-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1998
<PERIOD-START>                             JAN-01-1999             JAN-01-1998
<PERIOD-END>                               JUN-30-1999             DEC-31-1998
<CASH>                                            1841                    5828
<SECURITIES>                                         0                       0
<RECEIVABLES>                                    19829                   17890
<ALLOWANCES>                                         0                       0
<INVENTORY>                                      17203                   14992
<CURRENT-ASSETS>                                 41115                   40505
<PP&E>                                           44902                   42081
<DEPRECIATION>                                       0                       0
<TOTAL-ASSETS>                                  101174                   98442
<CURRENT-LIABILITIES>                            18412                   20537
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                            92                      92
<OTHER-SE>                                       56996                   52488
<TOTAL-LIABILITY-AND-EQUITY>                    101174                   98442
<SALES>                                          56013                   92710
<TOTAL-REVENUES>                                     0                       0
<CGS>                                            34078                   56578
<TOTAL-COSTS>                                        0                       0
<OTHER-EXPENSES>                                 13192                   21490
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                1123                    1342
<INCOME-PRETAX>                                   7625                   13858
<INCOME-TAX>                                      3197                    5749
<INCOME-CONTINUING>                               4428                    8109
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                      4428                    8109
<EPS-BASIC>                                        .49                     .88
<EPS-DILUTED>                                      .49                     .88


</TABLE>