Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
At cost:
Mineral rights	$ 2,806,506	$ 2,769,091
Buildings	31,929,577	31,503,908
Plant and machinery	188,484,948	185,972,160
Motor vehicles	126,986	125,293
Furniture, fixtures and office equipment	2,312,075	2,281,251
Construction in process	10,623,600	11,356,546
Total	236,283,692	234,008,249
Less: Accumulated depreciation and amortization	(90,567,121)	(84,091,483)
Impairment	0	0
Net book value	$ 145,716,571	$ 149,916,766

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The amount of property, plant and equipment impairment cost.

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Amount before accumulated depreciation, depletion and amortization of motor vehicles used in the normal conduct of business to produce goods and services and not intended for resale.

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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Carrying amount at the balance sheet date of mineral properties, gross of adjustments.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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