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v3.21.2

Concentration of Credit Risk (Details) | 1 Months Ended |
--- | --- | ---
May 01, 2015 USD ($) | May 01, 2015 CNY (¥) | Sep. 30, 2021 USD ($) | Sep. 30, 2021 CNY (¥)
Concentration of Credit Risk (Details) [Line Items] |  |  |  |
Federal deposit insurance corporation | $ 77,096 | ¥ 500,000 |  |
Maximum coverage from FDIC | $ |  |  | $ 16,853,148 |
Minimum [Member] |  |  |  |
Concentration of Credit Risk (Details) [Line Items] |  |  |  |
Maximum coverage from FDIC |  |  |  | ¥ 500,000
Maximum [Member] |  |  |  |
Concentration of Credit Risk (Details) [Line Items] |  |  |  |
Maximum coverage from FDIC |  |  |  | ¥ 109,299,409

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- Definition The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation. + References No definition available. + Details
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