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, 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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Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Details)	Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)
Schedule of Property, Plant and Equipment, Net [Line Items]
Less: Accumulated depreciation	¥ (27,200,724)		¥ (18,165,635)
Property, plant and equipment, net	182,630,671	$ 25,983,194	197,341,915
Machinery and electronic equipment [Member]
Schedule of Property, Plant and Equipment, Net [Line Items]
Property, plant and equipment, gross	14,766,562		17,409,218
Office furniture [Member]
Schedule of Property, Plant and Equipment, Net [Line Items]
Property, plant and equipment, gross	372,966		370,667
Leasehold improvement [Member]
Schedule of Property, Plant and Equipment, Net [Line Items]
Property, plant and equipment, gross	2,794,450		2,794,450
Transportation equipment [Member]
Schedule of Property, Plant and Equipment, Net [Line Items]
Property, plant and equipment, gross	41,014		41,014
Buildings and facilities attached to buildings [Member]
Schedule of Property, Plant and Equipment, Net [Line Items]
Property, plant and equipment, gross	¥ 191,856,403		¥ 194,892,201