HISTORY
You can take a closer look at the footsteps of KOC.1988.11.02 Creation of Korea Otsuka Co., Ltd.
1989.05.15 Start operation head office factoy (H.H 7,000ton/year)
1990.12.01 Start producing NaOH, L-CL2
1991.02.15 Start producing 80% HH(Hydrazine hydrate)
1991.02.20 The completion of a factory
1994.03.18
Change the company name
(Kumyang Otsuka chemical Co., Ltd.)
1998.08.31
Complete the extension construction
(80%H.H 10,000ton/year)
2000.03.15 Start producing 100% H.H
2003.03.20
Change the company name
(KOC Co., Ltd.)
2004.03.02 Acquire ISO9001
2006.09.01 Start purchasing steam
2006.11.24 Start selling hydrogen
2013.03.15
Complete the construction of
MVR(Steam recycling) facility
2015.10.13 Completion of derivative plant
2021.08.26 Completion of derivative 2line plant