<ARTICLE> 5 <MULTIPLIER> 1 <CURRENCY> USD <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> SEP-30-1999 <PERIOD-START> OCT-01-1998 <PERIOD-END> SEP-30-1999 <EXCHANGE-RATE> 1 <CASH> 20,963,607 <SECURITIES> 13,714,422 <RECEIVABLES> 33,955,669 <ALLOWANCES> 0 <INVENTORY> 22,446,667 <CURRENT-ASSETS> 96,474,711 <PP&E> 55,778,117 <DEPRECIATION> 25,535,240 <TOTAL-ASSETS> 176,330,028 <CURRENT-LIABILITIES> 36,528,615 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 161,930 <OTHER-SE> 127,002,432 <TOTAL-LIABILITY-AND-EQUITY> 176,330,028 <SALES> 193,506,059 <TOTAL-REVENUES> 193,506,059 <CGS> 95,313,636 <TOTAL-COSTS> 89,956,771 <OTHER-EXPENSES> 256,320 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 7,979,332 <INCOME-TAX> 4,787,599 <INCOME-CONTINUING> 3,191,733 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 3,191,733 <EPS-BASIC> 0.22 <EPS-DILUTED> 0.22