Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details)

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Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]      
VAT-input deductible ¥ 565,675   ¥ 19,317
Income tax refundable 15,488   131,078
Advances to employees 0   14,396
Prepaid marketing fee 657,764   388,902
Advance to suppliers 761,613   595,535
Other current assets 2,429,745   1,980,372
Total prepaid expenses and other current assets ¥ 4,430,285 $ 642,331 ¥ 3,129,600