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SHORT-TERM BORROWINGS FROM A THIRD PARTY - Additional Information (Details)
Oct. 22, 2021
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2021
CNY (¥)
Dec. 31, 2020
USD ($)
Jul. 31, 2019
Debt, Weighted Average Interest Rate   8.00% 8.00%   8.00%
Interest payable $ 86,823        
Short-term borrowings from a third party   $ 1,969,084   $ 1,977,109  
Tianjin Takung [Member]          
Short-term borrowings from a third party   $ 2,172,766 ¥ 14,000,000