Tosoh (東ソー株式会社) is a manufacturer and supplier of chemical and specialty products and materials. It offers cement, chlor-alkali, olefins, organic chemicals, polymers, polyurethanes as well as advanced materials such as zirconia injection mold compounds, silica glass, fabricated quartz ware, zirconia powders, and battery materials. The company caters to chemical and petrochemical, construction, agriculture, automotive, medical, food, and other industries.