| Nov. 2009 |
Certified as a venture company. |
|
| Nov. 2006 |
Started to produce advertisement type automatic flushing system |
|
| Feb. 2003 |
Developed automatic sensor and began to produce
automatic flushing system. Supplied automatatic sensor to IS Dong Seo. |
|
| Mar. 2002 |
Supplied low tank and flange to Buyong CO. |
|
| Dec. 2001 |
Changed the company name to Yujin-En-Tech Co. |
|
| Sep. 2001 |
Developed noiseless fill valve |
|
| Mar. 1999 |
Supplied IBR to Cheil Industries |
|
| Feb. 1996 |
Developed automatic flush valve with sensor
(electric type/ battery type) |
|
| Feb. 1995 |
Supplied SBR to Hanhwa L&C |
|
| May. 1992 |
Moved to Kimpo City. |
|
| Feb. 1992 |
Began to produce water saving low tank trims |
|
| mar. 1990 |
Supplied low tank trims to Korea National Housing Corporation |
|
| Jun. 1989 |
Certified as KS B 1588, KS B 1589 products
Changed the Company name to Yujin Chemical Co. |
|
| FEB. 1981 |
Began to Produce fill valve, flush valve for low tank |
|
| Aug. 1980 |
Established as Chun Hung Industry Co. |
|
