| Revenue | 31/03/2019 | 31/03/2018 | 31/03/2017 | 31/03/2016 |
| Total revenue | 323,129 | 338,773 | 252,360 | 382,341 |
| Cost of revenue | 308,371 | 327,728 | 245,023 | 358,021 |
| Gross profit | 14,758 | 11,045 | 7,337 | 24,320 |
| Operating expenses |
| Research development | - | - | - | - |
| Selling general and administrative | 28,246 | 24,791 | 26,237 | 27,635 |
| Non-recurring | - | - | - | - |
| Others | -2,791 | -2,701 | -463 | -385 |
| Total operating expenses | 336,612 | 349,657 | 270,797 | 385,271 |
| Operating income or loss | -13,483 | -10,884 | -18,437 | -2,930 |
| Income from continuing operations |
| Total other income/expenses net | -3,223 | -1,891 | -3,975 | -1,442 |
| Earnings before interest and taxes | -13,483 | -10,884 | -18,437 | -2,930 |
| Interest expense | -3,977 | -3,127 | -3,843 | -3,553 |
| Income before tax | -16,706 | -12,775 | -22,412 | -4,372 |
| Income tax expense | 1,321 | 675 | 2,313 | 1,094 |
| Minority interest | 27,448 | 26,761 | 25,900 | 25,454 |
| Net income from continuing ops | -18,027 | -13,450 | -24,725 | -5,466 |
| Non-recurring events |
| Discontinued operations | - | - | - | - |
| Extraordinary items | - | - | - | - |
| Effect of accounting changes | - | - | - | - |
| Other items | - | - | - | - |
| Net income |
| Net income | -19,335 | -14,314 | -25,282 | -6,871 |
| Preferred stock and other adjustments | - | - | - | - |
| Net income applicable to common shares | -19,335 | -14,314 | -25,282 | -6,871 |