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Accrued Expenses and Other Current Liabilities (Details) - Schedule of accrued expenses and other current liabilities
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Schedule of accrued expenses and other current liabilities [Abstract]      
Accrued payroll and employee benefits ¥ 2,089,072 $ 299,956 ¥ 3,385,258
Payable to third parties [1] 1,209,742 173,699 2,084,745
Deposit payable 619,786 88,991 1,118,416
Others 299,132 42,950 650,634
Total ¥ 4,217,732 $ 605,596 ¥ 7,239,053
[1] The balance mainly represents the payables for acquiring services for daily operations such as property fees, rent and utility bills as well as professional and consulting services as of December 31, 2021 and 2022.