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Prepayments and Other Current Assets (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Summary of prepayments and other current assets    
Value-added tax recoverable $ 453,964
Prepayment for purchase of materials 4,325 884,932
Prepaid land lease 432,464 461,993
Others 19,103 11,526
Totals $ 455,892 $ 1,812,415