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Intangible Assets - Schedule of Intangible assets (Detail)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CNY (¥)
Finite-lived intangible asset:      
Software ¥ 5,796,893 $ 909,659 ¥ 4,164,764
Less: Accumulated amortization (2,956,852) (463,995) (2,368,396)
Total finite-lived intangible asset 2,840,041 445,664 1,796,368
Indefinite-lived intangible asset:      
License 43,091,503 6,761,998 43,091,503
Total infinite-lived intangible asset 43,091,503 6,761,998 43,091,503
Total ¥ 45,931,544 $ 7,207,662 ¥ 44,887,871