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v3.25.3

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

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