v3.26.3
Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Details)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
CNY (¥)
Dec. 31, 2025
CNY (¥)
Schedule of Property, Plant and Equipment, Net [Line Items]      
Less: Accumulated depreciation   ¥ (31,667,592) ¥ (27,200,724)
Property, plant and equipment, net $ 26,011,813 177,163,859 182,630,671
Machinery and electronic equipment [Member]      
Schedule of Property, Plant and Equipment, Net [Line Items]      
Property, plant and equipment, gross   13,766,618 14,766,562
Office furniture [Member]      
Schedule of Property, Plant and Equipment, Net [Line Items]      
Property, plant and equipment, gross   372,966 372,966
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 ¥ 191,856,403