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Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Details) - USD ($)
Sep. 30, 2025
Dec. 31, 2024
At cost:    
Mineral rights $ 2,714,318 $ 2,682,882
Buildings 76,562,769 68,476,868
Plant and machinery 123,824,882 143,839,420
Furniture, fixtures and office equipment 1,451,905 1,435,090
Motor vehicles 125,670 124,215
Construction in process 10,155,642
Total 204,679,544 226,714,117
Less: Accumulated depreciation and amortization (94,768,106) (83,826,560)
     Impairment (6,744,380)
Net book value $ 109,911,438 $ 136,143,177