Creates elements of Better world
OCI is one of the world’s top 2 Polysilicon producers
OCI produces the high-purity phosphoric acid required in semiconductor production
OCI provides various purity and concentration of H2O2 to global clients
OCI is one of the world’s top 5 producers of nano-sized fumed silica
OCI Enervac is eight time higher than the existing insulation in performance delivering up to 40 year life span
Provides Solution for better world
OCI, the leader of Korea’s carbon black market, advances towards the global market
OCI produces high-quality Benzene, Toluene and Xylene using light crude oil.
OCI refines the steel byproduct's coal tar to produce pitch used in aluminum smelting
OCI produces plasticizers that enable various use of plastic
OCI provides TDI, which is used in foam type products such as auto parts, beds, paints, and adhesives
Brings Light for Better World
OCI supplies clean energy and protects the environment through Solar PV projects.
OCI provides a one-stop service for domestic solar PV project operators.
OCI has completed a solar PV project in USA with maximum capacity of 560 MWdc.
OCI is currently operating 6 solar power plants in China producing 23MW.
OCI has built a co-generation power plant generating eco-friendly eletrictity and steam.
OCI Bldg. 94, Sogong-ro, Jung-gu, Seoul, 100-718, Korea
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