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Other Income (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Other Income and Expenses [Abstract] |  |  |  |
Gain on settlement of payables | [1] | $ 18,736 | $ 125,312 |
Government subsidy |  |  | 17,394 |
Exchange gain |  | 5,964 |  | 68,436
Others |  | 8 | 3,917 |
Total other income |  | $ 24,708 | $ 146,623 | $ 68,436
[1] | The intrinsic value of the stock options at December 31, 2018 is the amount by which the market value of the Company's common stock of $1.13 as of December 31, 2018 exceeds the exercise price of the options.

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