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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