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Prepayments and Other Current Assets (Details) - USD ($)
Jun. 30, 2017
Dec. 31, 2016
Summary of prepayments and other current assets    
Advance to supplier $ 2,616,590
Prepayment for purchase of materials 4,428 4,325
Prepaid land lease 185,994 432,464
Value-added tax recoverable 88,209
Others 5,940 19,103
Total prepayments and other current assets $ 2,901,161 $ 455,892