<CAPTION>

                                                  EXHIBIT 27


                          EXHIBIT 27


                                  

<ARTICLE>                                      5
<PERIOD-TYPE>                              9-MOS
<FISCAL-YEAR-END>                    DEC-31-2000
<PERIOD-END>                         SEP-30-2000
<CASH>                                22,208,300
<SECURITIES>                                   0
<RECEIVABLES>                         44,014,605
<ALLOWANCES>                             439,486
<INVENTORY>                           47,100,387
<CURRENT-ASSETS>                     116,752,197
<PP&E>                               175,331,968
<DEPRECIATION>                        84,823,614
<TOTAL-ASSETS>                       236,509,026
<CURRENT-LIABILITIES>                 34,097,578
<BONDS>                               14,661,000
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                               9,602,621
<OTHER-SE>                           148,927,963
<TOTAL-LIABILITY-AND-EQUITY>         236,509,026
<SALES>                              167,823,636
<TOTAL-REVENUES>                     168,149,619
<CGS>                                121,676,337
<TOTAL-COSTS>                        150,015,988
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                       667,851
<INCOME-PRETAX>                       17,465,780
<INCOME-TAX>                           5,969,000
<INCOME-CONTINUING>                   11,496,780
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                          11,496,780
<EPS-BASIC>                               1.20
<EPS-DILUTED>                               1.20