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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Mar. 31, 2018
Summary of Significant Accounting Policies [Abstract] |
Schedule of consolidated financial statements |
|  |  | March 31, |  |  | March 31, |
| Financial Position at: |  | 2018 |  |  | 2017 |
| Current assets |  |  | 8,151,121 |  |  |  | 4,202,662 |
| Non-current assets |  |  | 121,071 |  |  |  | 158,938 |
| Total assets |  |  | 8,272,192 |  |  |  | 4,361,600 |
| Current liabilities |  |  | 2,834,470 |  |  |  | 1,087,738 |
| Non-current liabilities |  |  | - |  |  |  | - |
| Total liabilities |  |  | 2,834,470 |  |  |  | 1,087,738 |
| Net assets |  |  | 5,437,722 |  |  |  | 3,273,862 |
|  |  | For the Years Ended |
| Results of Operations: |  | March 31, 2018 |  |  | March 31, 2017 |  |  | March 31, 2016 |
| Revenues |  |  | 4,271,966 |  |  |  | 3,590,217 |  |  |  | 1,662,406 |
| Operating expenses |  |  | 1,995,178 |  |  |  | 1,404,402 |  |  |  | 935,788 |
| Other income (expenses) net |  |  | (275,665 | ) |  |  | (163,151 | ) |  |  | (139,045 | )
| Earnings before tax |  |  | 2,221,646 |  |  |  | 2,348,966 |  |  |  | 865,663 |
| Tax expenses (benefits) |  |  | 633,614 |  |  |  | 464,327 |  |  |  | 164,817 |
| Net income |  |  | 1,918,839 |  |  |  | 1,884,639 |  |  |  | 700,846 |
Schedule of property and equipment estimated useful lives |
| Computer Equipment |  | 1 – 3 years |
| Office Equipment |  | 4 – 5 years |
| Motor Vehicle |  | 4 years |
Schedule of intangible assets and its estimated useful lives |
| Software |  | 5 years |
Schedule of fair value of financial instruments |
|  |  | Carrying Amount |  |  | Estimated |
|  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Fair Value |
| March 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |
| Assets |  |  |  |  |  |  |  |  |  |  |  |
| Carried at (amortized) cost: |  |  |  |  |  |  |  |  |  |  |  |
| Corporate debt securities |  |  | - |  |  |  | - |  |  |  | 4,744,328 |  |  |  | 4,744,328 |
| March 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Carried at (amortized) cost: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Corporate debt securities |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Schedule of exchange rate used for translation |
|  |  | March 31, |  |  | March 31, |  |  | March 31, |
|  |  | 2018 |  |  | 2017 |  |  | 2017 |
| Period/year end RMB:US$ exchange rate |  |  | 6.61843 |  |  |  | 6.89053 |  |  |  | 6.4479 |
| Period/annual average RMB:US$ exchange rate |  |  | 6.50682 |  |  |  | 6.729145 |  |  |  | 6.3178 |
| Period/year end HKD:US$ exchange rate |  |  | 7.77047 |  |  |  | 7.77047 |  |  |  | 7.7544 |
| Period/annual average HKD:US$ exchange rate |  |  | 7.75883 |  |  |  | 7.75883 |  |  |  | 7.7566 |

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