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v3.21.2

SUBSEQUENT EVENTS (Narrative) (Details) - Subsequent Events | 1 Months Ended |
--- | --- | ---
Oct. 31, 2021 USD ($) | Aug. 31, 2021 USD ($) | Apr. 30, 2021 CNY (¥) shares | Apr. 29, 2021
Subsequent Event [Line Items] |  |  |  |
Proceeds from issuance of bonds | $ 11,000 |  |  |
MHM |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Percentage of ownership by the Company |  |  | 46.56% | 49.44%
Common stock shares subscribed | shares |  |  | 18,805,826 |
Common Stock Exchange value | ¥ |  |  | ¥ 400,000 |
Ownership percentage |  |  | 46.56% | 49.44%
Great Lion Global Limited | Investor |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Convertible bonds |  | $ 5,000 |  |
Vantage Chance Limited | Investor |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Convertible bonds |  | $ 10,000 |  |

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