Innovation,Growth,Sustainability
Established Oriental Chemical Industries
Completed Incheon Soda Ash Plant

Completed Iksan hydrogen peroxide plant

Established R&D Center in Incheon

Completed TDI plant

Renamed as DC Chemical
Renamed as OCI

Acquired Tokuyama Malaysia Polysilicon Plant
Started high-softening-point pitch business

Inaugurated OCI Holdings


To proactively respond to climate change, OCI Holdings is carrying out eco-friendly management and strategies, and fulfills corporate social responsibility with biodiversity and forest protection activities.
Read moreWe operate 'Collage,' a health dining cafe where people with and without disabilities work together, and 'Dream Ensemble,' a classical music group composed of musicians with developmental disabilities.
Read moreOCI Holdings establishes systematic plans and operates programs for company-wide safety and health management. We strive to earn the trust of shareholders, customers, members and suppliers by establishing sound and robust governance.
Read moreOCI Holdings Secures 65% Stake in Vietnam Wafer Plant
2025.10.13
OCI Holdings Participates in Marathon with the Visually Impaired
2025.09.08
OCI Holdings Strikes Second Major Texas Solar Deal with Sabanci Renewables
2025.08.19