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Commitments (Details) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 04, 2014 USD ($) | Nov. 20, 2017 USD ($) | Nov. 20, 2017 CNY (¥) | Mar. 05, 2016 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Commitments (Textual) |  |  |  |  |  |
Operating lease term | 2 years |  |  | 2 years |  |
Lease agreement, description |  | On November 20, 2017, Xi'an TCH entered a lease agreement for its office use for a lease term from December 1, 2017 through November 30, 2020. | On November 20, 2017, Xi'an TCH entered a lease agreement for its office use for a lease term from December 1, 2017 through November 30, 2020. |  |  |
Monthly rental payment | $ 20,140 | $ 5,600 | ¥ 36,536 | $ 21,804 |  |
Rental expense |  |  |  |  | $ 197,143 | $ 245,699
Annual rental payment in 2018 |  |  |  |  | 67,200 |
Annual rental payment in 2019 |  |  |  |  | 67,200 |
Annual rental payment in 2020 |  |  |  |  | $ 61,600 |

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