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Prepayments and Other Current Assets (Details) - Schedule of prepayments and other current assets - USD ($)
Jun. 30, 2020
Dec. 31, 2019
Schedule of prepayments and other current assets [Abstract]    
Prepaid land lease $ 169,504 $ 301,023
Prepayment for purchase of materials 60,510 5,394,297
Value-added tax recoverable 5,408,783 5,666,975
Others 235,845 250,946
Total prepayments and other current assets $ 5,874,642 $ 11,613,241