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 | $ 2,859,962 | ¥ 20,000,000 |