| Revenue | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 |
| Total Revenue | 10,883,667 | 10,695,790 | 9,973,005 | 12,780,653 |
| Cost of Revenue | 7,640,005 | 7,431,582 | 6,856,062 | 9,119,305 |
| Gross Profit | 3,243,662 | 3,264,208 | 3,116,943 | 3,661,348 |
| Operating Expenses |
| Research Development | - | - | - | - |
| Selling General and Administrative | 1,052,076 | 1,072,841 | 1,031,125 | 1,261,506 |
| Non Recurring | - | - | - | - |
| Others | - | - | - | - |
| Total Operating Expenses | 9,251,992 | 9,013,920 | 8,351,092 | 10,971,746 |
| Operating Income or Loss | 1,631,675 | 1,681,870 | 1,621,913 | 1,808,907 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | -231,889 | -58,765 | -933,526 | -499,234 |
| Earnings Before Interest and Taxes | 1,631,675 | 1,681,870 | 1,621,913 | 1,808,907 |
| Interest Expense | -422,356 | -410,217 | -405,941 | -405,164 |
| Income Before Tax | 1,399,786 | 1,623,105 | 688,387 | 1,309,673 |
| Income Tax Expense | 323,859 | 431,761 | 207,510 | 446,343 |
| Minority Interest | 1,207,397 | 1,174,952 | 1,077,458 | 1,019,763 |
| Net Income From Continuing Ops | 1,075,927 | 1,191,344 | 480,877 | 863,330 |
| Non-recurring Events |
| Discontinued Operations | -245,372 | -158,262 | -53,467 | -53,467 |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | 663,618 | 879,874 | 269,732 | 723,114 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | 663,618 | 879,874 | 269,732 | 723,114 |