<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> JAN-31-1999 <PERIOD-END> JUL-31-1998 <CASH> 8,073,238 <SECURITIES> 0 <RECEIVABLES> 10,128,616 <ALLOWANCES> 275,773 <INVENTORY> 13,241,599 <CURRENT-ASSETS> 33,688,432 <PP&E> 27,240,701 <DEPRECIATION> 13,309,257 <TOTAL-ASSETS> 55,918,905 <CURRENT-LIABILITIES> 9,975,378 <BONDS> 2,739,002 <COMMON> 713,862 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <OTHER-SE> 42,727,069 <TOTAL-LIABILITY-AND-EQUITY> 55,918,905 <SALES> 29,529,731 <TOTAL-REVENUES> 29,529,731 <CGS> 18,365,829 <TOTAL-COSTS> 24,349,638 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 152,926 <INCOME-PRETAX> 5,516,417 <INCOME-TAX> 2,025,911 <INCOME-CONTINUING> 0 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 3,490,506 <EPS-PRIMARY> .50 <EPS-DILUTED> .50