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COMMITMENTS AND CONTINGENCY - PURCHASE COMMITMENT (Details) - Dec. 31, 2019 - Purchase Commitment [Member]
USD ($)
CNY (¥)
Other Commitment, Fiscal Year Maturity [Abstract]    
2020 $ 300,375 ¥ 2,093,010
Total minimum payments required $ 300,375 ¥ 2,093,010