| Revenue | 12/31/2017 | 12/31/2016 | 12/31/2015 | 12/31/2014 |
| Total Revenue | 4,443,351 | 4,128,828 | 4,014,052 | 4,115,073 |
| Cost of Revenue | 3,640,480 | 3,349,253 | 3,324,475 | 3,439,989 |
| Gross Profit | 802,871 | 779,575 | 689,577 | 675,084 |
| Operating Expenses |
| Research Development | - | - | - | - |
| Selling General and Administrative | - | - | - | - |
| Non Recurring | - | - | - | - |
| Others | 166,673 | 151,826 | 140,955 | 144,818 |
| Total Operating Expenses | 4,014,639 | 3,717,397 | 3,677,177 | 3,787,891 |
| Operating Income or Loss | 428,712 | 411,431 | 336,875 | 327,182 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | -78,685 | -85,203 | -89,822 | -77,733 |
| Earnings Before Interest and Taxes | 428,712 | 411,431 | 336,875 | 327,182 |
| Interest Expense | -82,788 | -87,848 | -91,179 | -86,871 |
| Income Before Tax | 350,027 | 326,228 | 247,053 | 249,449 |
| Income Tax Expense | 65,041 | 93,132 | 70,664 | 64,422 |
| Minority Interest | - | - | 124,043 | 115,743 |
| Net Income From Continuing Ops | 284,986 | 233,096 | 176,389 | 185,027 |
| Non-recurring Events |
| Discontinued Operations | -3,783 | -168,663 | -798,824 | 113,206 |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | 281,203 | 64,433 | -622,435 | 298,233 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | 280,432 | 63,748 | -623,120 | 297,548 |