1983.04 Established Jeong-Weon chemical company
1987.05

Completed KimHae plant (2nd factory)

1992.07

Moved head office and 1st plant to JangLim industrial complex

1993.02

Opened office of sales division in Seoul
1996.07

Converted organization to incorporation
1997.05

R&D division was authorized officially by KITA
2000.01

Awarded ISO-9001 certificate by TUV