Date |
|
| July, 2004 | EAF dust annual treatment exceeds 60,000 tons (wet base) |
| December, 2003 | EAF dust annual treatment exceeds 50,000 tons (wet base) reaching original design capacity |
| December, 2001 | Obtain EAF dust industrial waste jointly pick-up and treatment permit from Minister of Economic |
| February, 2000 | Obtain plant registration certificate from Minister of Economic |
| June, 1999 | 1st high temperature smelting Waelz kiln formally test-run operation start-up |
| December, 1996 | Fly ash dust industrial waste generated from EAF steel mills jointly treatment facility is approved by Industrial Bureau Minster of Economic |
| August, 1996 | Resolution passed by special shareholder meeting to merge Mid-North Environmental Engineering Co., Ltd. And southern area Siaogang Enterprise Co. Ltd. and changed name to Taiwan Steel Union, Co. Ltd. |
| May, 1995 | Mid-North Environmental Engineering Co., Ltd. was formally established. |
