<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the 
Consolidated Balance Sheet at December 31, 1997, and the Consolidated 
Statement of Operations for the twelve months ended December 31, 1997, 
and is qualified in its entirety by reference to such financial statements.
</LEGEND>
       
                              
<PERIOD-TYPE>                    12-MOS
<FISCAL-YEAR-END>                           DEC-31-1997
<PERIOD-START>                              JAN-01-1997
<PERIOD-END>                                DEC-31-1997
<CASH>                                       19,418,689
<SECURITIES>                                          0
<RECEIVABLES>                                26,398,046
<ALLOWANCES>                                  1,772,478
<INVENTORY>                                  54,982,945
<CURRENT-ASSETS>                            104,287,538
<PP&E>                                       84,911,093
<DEPRECIATION>                               41,986,005
<TOTAL-ASSETS>                              150,764,940
<CURRENT-LIABILITIES>                        20,990,685
<BONDS>                                               0
<PREFERRED-MANDATORY>                                 0
<PREFERRED>                                           0
<COMMON>                                     32,377,563
<OTHER-SE>                                   96,572,960
<TOTAL-LIABILITY-AND-EQUITY>                150,764,940
<SALES>                                     246,074,446
<TOTAL-REVENUES>                            246,074,446
<CGS>                                       149,279,718
<TOTAL-COSTS>                               149,279,718
<OTHER-EXPENSES>                             53,471,051
<LOSS-PROVISION>                                      0
<INTEREST-EXPENSE>                                    0<F1>
<INCOME-PRETAX>                              43,752,779
<INCOME-TAX>                                 17,767,000
<INCOME-CONTINUING>                          25,985,779
<DISCONTINUED>                                        0
<EXTRAORDINARY>                                       0
<CHANGES>                                             0
<NET-INCOME>                                 25,985,779
<EPS-PRIMARY>                                      2.26
<EPS-DILUTED>                                      2.17
<FN>
<F1>Interest income for the twelve months ended December 31, 1997, 
was $429,102.
</FN>