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Commitments (Details Textual) |  | 1 Months Ended | 3 Months Ended | 6 Months Ended
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Aug. 02, 2018 USD ($) | Aug. 02, 2018 CNY (¥) | Nov. 20, 2017 USD ($) | Nov. 20, 2017 CNY (¥) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($)
Commitments (Textual) |  |  |  |  |  |  |  |
Lease agreement, description | The Company entered into a lease for its office use in Beijing with a term from August 4, 2018 through August 3, 2020. | The Company entered into a lease for its office use in Beijing with a term from August 4, 2018 through August 3, 2020. | Xi'an TCH entered into a lease for its office with a term from December 1, 2017 through November 30, 2020. | Xi'an TCH entered into a lease for its office with a term from December 1, 2017 through November 30, 2020. |  |  |  |
Monthly rental payment | $ 3,205 |  | $ 5,600 |  |  |  |  |
Rental expense |  |  |  |  | $ 26,494 | $ 16,800 | $ 53,067 | $ 33,600
RMB [Member] |  |  |  |  |  |  |  |
Commitments (Textual) |  |  |  |  |  |  |  |
Monthly rental payment | ¥ |  | ¥ 22,000 |  | ¥ 36,536 |  |  |  |

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