v3.25.2
Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Details)
Jun. 30, 2025
CNY (¥)
Jun. 30, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Cost:      
Less: Accumulated depreciation ¥ (22,568,140)   ¥ (18,165,635)
Property, plant and equipment, net 188,159,300 $ 26,284,372 197,341,915
Computers and electronic equipment [Member]      
Cost:      
Property, plant and equipment, gross 14,733,245   17,409,218
Office furniture [Member]      
Cost:      
Property, plant and equipment, gross 370,966   370,667
Leasehold improvement [Member]      
Cost:      
Property, plant and equipment, gross 2,794,450   2,794,450
Transportation equipment [Member]      
Cost:      
Property, plant and equipment, gross 41,014   41,014
Buildings [Member]      
Cost:      
Property, plant and equipment, gross ¥ 192,785,765   ¥ 194,892,201