
<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<EXCHANGE-RATE>                                      1
<CASH>                                       2,517,809
<SECURITIES>                                         0
<RECEIVABLES>                               17,746,038
<ALLOWANCES>                                         0
<INVENTORY>                                 23,086,400
<CURRENT-ASSETS>                            47,728,714
<PP&E>                                      33,365,773
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                             143,803,737
<CURRENT-LIABILITIES>                       17,887,470
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        17,312
<OTHER-SE>                                 120,766,955
<TOTAL-LIABILITY-AND-EQUITY>               143,803,737
<SALES>                                     58,710,887
<TOTAL-REVENUES>                            58,710,887
<CGS>                                       27,243,404
<TOTAL-COSTS>                               27,243,404
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             103,861
<INCOME-PRETAX>                             14,256,212
<INCOME-TAX>                                 5,879,197
<INCOME-CONTINUING>                          8,377,015
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 8,377,015
<EPS-PRIMARY>                                     0.48
<EPS-DILUTED>                                     0.48
        

</TABLE>
