<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> MAR-31-1998 <PERIOD-END> SEP-30-1997 <CASH> 1,049,826 <SECURITIES> 0 <RECEIVABLES> 720,278 <ALLOWANCES> 0 <INVENTORY> 1,272,440 <CURRENT-ASSETS> 3,153,298 <PP&E> 2,296,339 <DEPRECIATION> 863,111 <TOTAL-ASSETS> 4,721,981 <CURRENT-LIABILITIES> 585,017 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 31,937 <OTHER-SE> 3,191,579 <TOTAL-LIABILITY-AND-EQUITY> 4,721,981 <SALES> 1,201,432 <TOTAL-REVENUES> 1,201,432 <CGS> 709,300 <TOTAL-COSTS> 368,435 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 16,148 <INCOME-PRETAX> 152,080 <INCOME-TAX> 22,110 <INCOME-CONTINUING> 129,970 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 129,970 <EPS-PRIMARY> .04 <EPS-DILUTED> .04