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OCI breaks ground on a special raw material plant for silicon anode materials for lithium-ion batteries

Started special materials project to make silicon anode material for secondary battery

Signed an MOU with Tokuyama Corporation to establish a joint venture for semiconductor-grade polysilicon

Incorporated OCI Company Ltd.

Spin-off of OCI under OCI Holdings

Established OCIKumho Sdn Bhd, a joint venture with Kumho P&B Chemicals

Began production of polysilicon for semiconductors

Completed Ma Steel OCI Chemical Co., Ltd.

Completed OCI Jianyang Carbon Black

Received the Transparent Management Grand Award

Selected as the first green company certified by the Korean government

Renamed as OCI

Succeeded in commercial production of solar-grade polysilicon

Acquired Columbian Chemicals Company (carbon black)

Renamed as DC Chemical

Oriental Chemical Industries merged with Korea Steel Chemical

Completed Gunsan PVA Plant

Completed Gunsan TDI Plant

Completed Gwangyang Plant

Established Korea Steel Petrochemicals

Established R&D Center

Completed Iksan Plant

Completed Pohang Plant

Established Korea Steel Chemical

Completed Incheon Soda Ash Plant

Established Oriental Chemical Industries