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Construction in Progress (Tables) | 12 Months Ended
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Dec. 31, 2018
Construction in Progress [Abstract] |
Schedule of construction in progress |
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2018 |
Construction in progress |  | $ | 24,288,889 |  |  | $ | 23,562,557 |
Prepayment for acquisition of property, plant and equipment |  |  | 740,401 |  |  |  | 1,439,256 |
Carrying amount |  | $ | 25,029,290 |  |  | $ | 25,001,813 |

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