| Revenue | 3/31/2019 | 3/31/2018 | 3/31/2017 | 3/31/2016 |
| Total Revenue | 400,056 | 367,220 | 396,880 | 502,053 |
| Cost of Revenue | 442,444 | 326,487 | 356,375 | 472,922 |
| Gross Profit | -42,388 | 40,733 | 40,505 | 29,131 |
| Operating Expenses |
| Research Development | - | - | - | - |
| Selling General and Administrative | 27,431 | 23,952 | 7,686 | 5,709 |
| Non Recurring | - | - | - | - |
| Others | - | - | - | - |
| Total Operating Expenses | 472,922 | 351,983 | 365,732 | 480,176 |
| Operating Income or Loss | -72,866 | 15,237 | 31,148 | 21,877 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | 5,068 | 6,386 | 302 | 4,689 |
| Earnings Before Interest and Taxes | -72,866 | 15,237 | 31,148 | 21,877 |
| Interest Expense | -1,106 | -746 | -1,209 | -1,003 |
| Income Before Tax | -67,798 | 21,623 | 31,450 | 26,566 |
| Income Tax Expense | 485 | 5,574 | 5,625 | 4,366 |
| Minority Interest | - | - | - | - |
| Net Income From Continuing Ops | -68,283 | 16,049 | 25,825 | 22,200 |
| Non-recurring Events |
| Discontinued Operations | - | - | - | - |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | -68,283 | 16,049 | 25,825 | 22,200 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | -68,283 | 16,049 | 25,825 | 22,200 |