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Trade Accounts and Bills Payable (Details) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Trade Accounts and Bills Payable [Abstract]    
Trade accounts payable $ 12,613,088 $ 11,157,014
Bills payable    
Bank acceptance bills (Notes 12) 6,482,637 3,915,094
Commercial acceptance bills 182,388
Trade accounts and bills payable $ 19,278,113 $ 15,072,108