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, 2020
CNY (¥)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
CNY (¥)
Operating leases:      
Right-of-use assets ¥ 41,779,086 $ 6,402,925 ¥ 40,786,291
Lease liabilities-current 16,972,187 2,601,101 20,556,017
Lease liabilities-non-current ¥ 24,005,765 $ 3,679,044 ¥ 12,500,120