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Property and Equipment, Net (Details) - Schedule of Property and Equipment, Net
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Schedule of Property and Equipment Net [Line Items]      
Property and equipment, gross ¥ 6,728,054 $ 949,928 ¥ 5,482,829
Less: accumulated depreciation (3,200,069) (451,815) (2,869,565)
Property and equipment, other 3,527,985 498,113 2,613,264
Less: impairment charges (2,404,009) (339,420)
Property and equipment, net 1,123,976 158,693 2,613,264
Motor vehicles [Member]      
Schedule of Property and Equipment Net [Line Items]      
Property and equipment, gross 1,485,841 209,785 1,538,213
Electronic equipment [Member]      
Schedule of Property and Equipment Net [Line Items]      
Property and equipment, gross 2,033,203 287,066 1,783,988
Machinery [Member]      
Schedule of Property and Equipment Net [Line Items]      
Property and equipment, gross 1,139,270 160,853 1,119,594
Other equipment [Member]      
Schedule of Property and Equipment Net [Line Items]      
Property and equipment, gross 1,413,753 199,607 1,041,034
Construction in progress [Member]      
Schedule of Property and Equipment Net [Line Items]      
Property and equipment, gross ¥ 655,987 $ 92,617