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Prepayments and Other Current Assets (Tables) | 6 Months Ended
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Jun. 30, 2018
Prepayments and Other Current Assets [Abstract] |
Schedule of prepayments and other current assets |
|  | June 30, |  |  | December 31, |
|  | 2018 |  |  | 2017 |
Prepaid land lease |  | $ | 190,430 |  |  | $ | 459,123 |
Prepayment for purchase of materials |  |  | 2,727,355 |  |  |  | 183,649 |
Others |  |  | 10,028 |  |  |  | 8,751 |
|  | $ | 2,927,813 |  |  | $ | 651,523 |

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