<ARTICLE>              5
<LEGEND>
This schedule contains a summary of financial information extracted from the
condensed Consolidated Balance Sheet and Condensed Consolidated Statement of
Operations and is qualified in its entirety by reference to such financial
statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          JUN-30-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                       5,824,233
<SECURITIES>                                 6,789,469
<RECEIVABLES>                               11,397,750
<ALLOWANCES>                                   252,000
<INVENTORY>                                  9,346,657
<CURRENT-ASSETS>                            35,508,827
<PP&E>                                      42,055,104
<DEPRECIATION>                              22,031,645
<TOTAL-ASSETS>                              56,181,484
<CURRENT-LIABILITIES>                        9,222,704
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       485,065
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                56,181,484
<SALES>                                     60,048,336
<TOTAL-REVENUES>                            60,275,171
<CGS>                                       47,304,136
<TOTAL-COSTS>                               55,575,840
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                             253,509
<INCOME-PRETAX>                              5,129,598
<INCOME-TAX>                                 1,539,514
<INCOME-CONTINUING>                          3,156,974
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 3,156,974
<EPS-PRIMARY>                                      .73
<EPS-DILUTED>                                      .71