<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM (A) MARCH
31, 1998 10Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH (B) MARCH 31,
1998 10Q FILING.
</LEGEND>
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<EXCHANGE-RATE>                                      1
<CASH>                                       1,851,993
<SECURITIES>                                         0
<RECEIVABLES>                                8,448,700
<ALLOWANCES>                                   253,000
<INVENTORY>                                  4,380,638
<CURRENT-ASSETS>                            17,586,492
<PP&E>                                      17,566,512
<DEPRECIATION>                               9,228,926
<TOTAL-ASSETS>                              32,565,576
<CURRENT-LIABILITIES>                        6,268,554
<BONDS>                                      2,939,949
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                     4,590,767
<OTHER-SE>                                  18,360,820
<TOTAL-LIABILITY-AND-EQUITY>                32,565,576
<SALES>                                      7,717,236
<TOTAL-REVENUES>                             7,987,327
<CGS>                                        6,749,949
<TOTAL-COSTS>                                6,749,949
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              56,585
<INCOME-PRETAX>                                455,664
<INCOME-TAX>                                   182,000
<INCOME-CONTINUING>                            273,664
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   273,664
<EPS-PRIMARY>                                      .14
<EPS-DILUTED>                                      .14