OCI Co Ltd is a Korea-based company mainly engaged in the production and sale of basic chemical products. The Company operates its business through four segments. The Basic Chemical segment produces and sells products related to polysilicon, toluene diisocyanate (TDI), as well as hydrogen peroxide. The main products of it include materials for solar power industry, as well as chemical products for experimental analysis, among others. The materials for solar power industry include polysilicon and hydrogen peroxide, among others. The chemical products for experimental analysis include soda ashes, silica sands, and reagents, among others. The Carbon Chemical segment manufactures and sells products related to pitches, carbon black, benzene. The Energy Solution segment is involved in cogeneration and solar power generation. The Other segment is involved in the production and sale of insulators, real estate leasing, and the development of cities.