We are taking a fresh leap from being a pioneer in the chemical industry to becoming a global leader in the green energy and chemical industry.

Established in 1959, OCI has steadily pioneered the essential chemical fields for the development of national industries, such as inorganic chemicals, petroleum coal chemicals, and fine chemicals.
Currently, we produce and sell semiconductor wafers and polysilicon, which is the core raw material for solar cells, including carbon black, pitch, TDI, hydrogen peroxide, sodium percarbonate, and fumed silica in the field of renewable energy, inorganic chemicals, petroleum coal chemicals, fine chemicals and insulation materials. We are a global company that accounts for more than 70% of exports.
OCI will leap to become a global leader in the green energy and chemical industries through its constant innovation.

GLOBAL LEADING GREEN ENERGY & CHEMICAL COMPANY

Being a pioneer in the Korean chemical industry, OCI has expanded into new renewable green energy fields, such as polysilicon and photovoltaic power generation, based on its accumulated technology and know-how. It is becoming a world-class green energy company in terms of creating, protecting and saving energy. Through our transparent and ethical management, we will do our best to achieve our company’s vision of a "GLOBAL LEADING GREEN ENERGY & CHEMICAL COMPANY."