| Revenue | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 |
| Total Revenue | 1,171,599 | 1,184,739 | 1,147,431 | 983,157 |
| Cost of Revenue | 1,035,833 | 941,610 | 882,162 | 764,314 |
| Gross Profit | 135,766 | 243,129 | 265,269 | 218,843 |
| Operating Expenses |
| Research Development | 28,332 | 26,817 | 24,969 | 23,676 |
| Selling General and Administrative | 180,795 | 160,775 | 153,145 | 145,180 |
| Non Recurring | - | - | - | - |
| Others | - | - | - | - |
| Total Operating Expenses | 1,244,960 | 1,129,202 | 1,060,276 | 933,170 |
| Operating Income or Loss | -73,361 | 55,537 | 87,155 | 49,987 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | -12,617 | 1,680 | -60 | 1,986 |
| Earnings Before Interest and Taxes | -73,361 | 55,537 | 87,155 | 49,987 |
| Interest Expense | -1,045 | -840 | -1,395 | -1,611 |
| Income Before Tax | -85,978 | 57,217 | 87,095 | 51,973 |
| Income Tax Expense | -25,234 | 19,627 | 32,107 | 20,007 |
| Minority Interest | 710 | 1,093 | 1,011 | 1,786 |
| Net Income From Continuing Ops | -60,744 | 37,590 | 54,988 | 31,966 |
| Non-recurring Events |
| Discontinued Operations | - | - | - | - |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | -60,449 | 37,795 | 55,159 | 32,797 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | -60,449 | 37,795 | 55,159 | 32,797 |