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Notes Payable (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017
Notes Payable (Textual) |  |
Notes payable | $ 3,975,764 | $ 6,121,637
Restricted cash | $ 3,975,764 | $ 6,121,637
Bank of Hebei [Member] |  |
Notes Payable (Textual) |  |
Bank acceptance notes from bank, interest rate |  |
Handling charges of bank acceptance notes percentage |  | 0.05%
Description of maturity of notes payable |  | The acceptance notes were due and paid off in January 2018.
Bank of Cangzhou [Member] |  |
Notes Payable (Textual) |  |
Bank acceptance notes from bank, interest rate |  |
Handling charges of bank acceptance notes percentage | 0.05% |
Description of maturity of notes payable | The acceptance notes will become due and payable on January 10, 2019. |

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