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INVENTORIES
 6 Months Ended
Apr. 30, 2024
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
Inventories consisted of the following at:
April 30, 2024October 31, 2023
Raw materials$4,108,784 $7,861,508 
Spare parts and supplies5,867,596 5,432,982 
Work in process961,121 1,073,564 
Finished goods2,291,046 1,745,133 
 Total$13,228,547 $16,113,187 

The Company recorded a lower of cost or net realizable value write-down on finished goods inventory of approximately $18,000 and $0 at April 30, 2024 and October 31, 2023, respectively.