| Revenue | 31/12/2017 | 31/12/2016 | 31/12/2015 | 31/12/2014 |
| Total revenue | 2,734,118 | 2,736,949 | 2,219,136 | 1,976,558 |
| Cost of revenue | 1,342,769 | 1,278,571 | 1,022,825 | 848,647 |
| Gross profit | 1,391,349 | 1,458,378 | 1,196,311 | 1,127,911 |
| Operating expenses |
| Research development | 10,000 | 4,085 | 12,436 | 6,918 |
| Selling general and administrative | 625,190 | 573,745 | 495,474 | 429,015 |
| Non-recurring | - | - | - | - |
| Others | - | - | - | - |
| Total operating expenses | 2,253,884 | 2,138,725 | 1,795,622 | 1,510,167 |
| Operating income or loss | 480,234 | 598,224 | 423,514 | 466,391 |
| Income from continuing operations |
| Total other income/expenses net | 38,510 | -225,334 | -189,721 | -153,844 |
| Earnings before interest and taxes | 480,234 | 598,224 | 423,514 | 466,391 |
| Interest expense | -212,315 | -211,143 | -191,447 | -174,862 |
| Income before tax | 518,744 | 372,890 | 233,793 | 312,547 |
| Income tax expense | -75,360 | 122,128 | 57,694 | 97,432 |
| Minority interest | -34,372 | -30,047 | -26,132 | -22,539 |
| Net income from continuing ops | 594,104 | 250,762 | 176,099 | 215,115 |
| Non-recurring events |
| Discontinued operations | - | - | - | - |
| Extraordinary items | - | - | - | - |
| Effect of accounting changes | - | - | - | - |
| Other items | - | - | - | - |
| Net income |
| Net income | 576,013 | 245,301 | 171,524 | 212,279 |
| Preferred stock and other adjustments | - | - | - | - |
| Net income applicable to common shares | 576,013 | 245,301 | 171,524 | 212,279 |