EXHIBIT 27


                          EXHIBIT 27


                                  

<ARTICLE>                                      5
<PERIOD-TYPE>                              3-MOS
<FISCAL-YEAR-END>                    DEC-31-2000
<PERIOD-END>                         MAR-31-2000
<CASH>                                20,396,811
<SECURITIES>                                   0
<RECEIVABLES>                         49,317,372
<ALLOWANCES>                             429,292
<INVENTORY>                           47,963,203
<CURRENT-ASSETS>                     121,571,925
<PP&E>                               169,150,785
<DEPRECIATION>                        81,506,708
<TOTAL-ASSETS>                       236,934,936
<CURRENT-LIABILITIES>                 38,426,101
<BONDS>                               14,661,000
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                               9,602,621
<OTHER-SE>                           145,448,184
<TOTAL-LIABILITY-AND-EQUITY>         236,934,936
<SALES>                               59,469,353
<TOTAL-REVENUES>                      59,579,404
<CGS>                                 42,911,588
<TOTAL-COSTS>                         52,977,981
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                       266,795
<INCOME-PRETAX>                        6,334,628
<INCOME-TAX>                           2,170,000
<INCOME-CONTINUING>                    4,164,628
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                           4,164,628
<EPS-BASIC>                               0.43
<EPS-DILUTED>                               0.43