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

Leases - Schedule on Impact of ASC 842 on Consolidated Balance Sheets (Details)

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Leases - Schedule on Impact of ASC 842 on Consolidated Balance Sheets (Details)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CNY (¥)
Operating leases:      
Right-of-use assets ¥ 42,417,409 $ 6,656,217 ¥ 41,779,086
Lease liabilities-current 17,351,427 2,722,818 16,972,187
Lease liabilities-non-current ¥ 23,365,840 $ 3,666,610 ¥ 24,005,765