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v3.19.2

Lease (Details) - USD ($) | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
ASSETS |  |
Operating lease right-of-use assets | $ 431,389 |
LIABILITIES |  |
Operating lease liabilities (current) | 279,214 |
Operating lease liabilities (noncurrent) | 170,993 |
Subtotal | $ 450,207 |

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