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Commitments (Details) | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Nov. 20, 2017 | Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2018 CNY (¥) | Jun. 30, 2017 USD ($)
Commitments (Textual) |  |  |  |  |  |
Lease agreement, description | 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 |  |  |  | $ 5,600 | ¥ 36,536 |
Rental expense |  | $ 33,600 | $ 118,413 | 16,800 |  | $ 59,348
Annual rental payment in 2018 |  | 67,200 |  | 67,200 |  |
Annual rental payment in 2019 |  | 67,200 |  | 67,200 |  |
Annual rental payment in 2020 |  | $ 28,000 |  | $ 28,000 |  |

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