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PROPERTY, PLANT AND EQUIPMENT, NET (Tables)
3 Months Ended
Mar. 31, 2022
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment

Property, plant and equipment, net consist of the following:

 

   March 31,
2022
  December 31,
2021
At cost:          
Mineral rights  $3,037,938   $3,025,017 
Buildings   35,055,241    34,906,137 
Plant and machinery   201,702,769    201,012,254 
Motor vehicles   140,159    139,563 
Furniture, fixtures and office equipment   2,505,055    2,494,400 
Construction in process   68,574,529    44,310,149 
Total   311,015,691    285,887,520 
Less: Accumulated depreciation and amortization   (128,599,846)   (123,229,974)
     Impairment        
Net book value  $182,415,845   $162,657,546