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Concentration (Details) - Schedule of total purchase - CNY (¥)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Customer C [Member]      
Concentration (Details) - Schedule of total purchase [Line Items]      
Total purchase ¥ 122,901,742 [1] [1]
Percentage of total purchase 20.00% [1] [1]
Cargo Link Logistics HK Company Limited [Member]      
Concentration (Details) - Schedule of total purchase [Line Items]      
Total purchase ¥ 121,455,797 ¥ 185,858,692 ¥ 156,091,594
Percentage of total purchase 19.80% 36.40% 58.00%
[1] Represented the percentage below 10%