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Summary of Significant Accounting Policies (Details) - USD ($) | 12 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Mar. 31, 2016
Financial Position at: |  |  |
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 |
Results of Operations: |  |  |
Revenues | 4,271,966 | 3,590,217 | $ 1,662,406,000
Operating expenses | 1,995,178 | 1,404,402 | 935,788,000
Other income (expenses) net | (275,665) | (163,151) | (139,045,000)
Earnings before tax | 2,221,646 | 2,348,966 | 865,663,000
Tax expenses (benefits) | 633,614 | 464,327 | 164,817,000
Net income | $ 1,918,839 | $ 1,884,639 | $ 700,846,000

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