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Property and Equipment, Net (Details) - Schedule of property and equipment, net
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Property, Plant and Equipment [Line Items]      
Property and equipment, gross ¥ 5,482,829 $ 787,241 ¥ 3,440,870
Less: accumulated depreciation (2,869,565) (412,020) (2,286,895)
Property and equipment, net 2,613,264 375,221 1,153,975
Motor vehicles [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 1,538,213 220,862 1,428,587
Electronic equipment [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 1,783,988 256,151 1,255,203
Machinery [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross 1,119,594 160,755 117,656
Other equipment [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment, gross ¥ 1,041,034 $ 149,473 ¥ 639,424