<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> OCT-31-2000 <PERIOD-START> NOV-01-1999 <PERIOD-END> APR-30-2000 <CASH> 5,455,360 <SECURITIES> 0 <RECEIVABLES> 5,299,581 <ALLOWANCES> 197,000 <INVENTORY> 2,109,156 <CURRENT-ASSETS> 14,011,188 <PP&E> 32,723,465 <DEPRECIATION> 19,889,442 <TOTAL-ASSETS> 29,381,608 <CURRENT-LIABILITIES> 3,517,987 <BONDS> 1,340,000 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 137,693 <OTHER-SE> 22,101,393 <TOTAL-LIABILITY-AND-EQUITY> 29,381,608 <SALES> 22,670,865 <TOTAL-REVENUES> 22,670,865 <CGS> 16,728,860 <TOTAL-COSTS> 20,811,493 <OTHER-EXPENSES> (83,326) <LOSS-PROVISION> 40,200 <INTEREST-EXPENSE> 54,105 <INCOME-PRETAX> 1,848,393 <INCOME-TAX> 721,000 <INCOME-CONTINUING> 1,127,393 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,127,393 <EPS-BASIC> .41 <EPS-DILUTED> .38