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Deferred Government Subsidy (Details) - GMB BJ [Member]
Jan. 31, 2022
USD ($)
Jan. 31, 2022
CNY (¥)
Nov. 30, 2021
CNY (¥)
Deferred Government Subsidy [Line Items]      
Future incremental costs     ¥ 21,926,900
Received government subsidy $ 2,791,892 ¥ 20,000,000