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]      
Property and equipment, subtotal $ 17,300,249 ¥ 117,830,267 ¥ 117,850,717
Less: accumulated depreciation (1,804,168) (12,288,006) (10,407,212)
Less: accumulated impairment (5,086,487) (34,643,556) (34,643,556)
Total 10,409,594 70,898,705 72,799,949
Office electronic equipment [Member]      
Schedule of Property, Plant and Equipment, Net [Line Items]      
Property and equipment, subtotal 163,779 1,115,476 1,135,926
Office fixtures and furniture [Member]      
Schedule of Property, Plant and Equipment, Net [Line Items]      
Property and equipment, subtotal 28,042 190,994 190,994
Vehicles [Member]      
Schedule of Property, Plant and Equipment, Net [Line Items]      
Property and equipment, subtotal 176,401 1,201,452 1,201,452
Building [Member]      
Schedule of Property, Plant and Equipment, Net [Line Items]      
Property and equipment, subtotal $ 16,932,027 ¥ 115,322,345 ¥ 115,322,345