Tokuyama Corporation (株式会社トクヤマ) is a chemicals manufacturer for the electronics, food, infrastructure, and healthcare industries. It operates through five business segments: Chemicals, Specialty Products, Cement, Life Science, and ECO Business. The Chemicals segment provides chlorine derivatives, soda ash, caustic soda, methylene chloride, sodium bicarbonate, and calcium chloride. The Specialty Products division offers high-purity silicon, metallic boron, trichlorosilane, etc. The Cement segment focuses on cement and concrete manufacturing. The Life Science division offers active pharmaceutical ingredients (API), dental materials, medical diagnosis systems, and eyeglass-related materials. The ECO Business sector is engaged in waste-water processing technologies such as ion exchange membranes, waste gypsum board recycling systems, etc.