Shin-Etsu Chemical Co., Ltd. engages in the manufacture and sale of industrial chemicals. Its operations are carried out through the following segments: Polyvinyl Chloride (PVC)/Chlor-Alkali Business, Silicone Business, Specialty Chemicals Business, Semiconductor Silicon Business, Electronics and Functional Materials Business, and Diversified Business. The PVC/Chlor-Alkali Business segment provides PVC, caustic soda, methanol, and chloromethane. The Silicone Business segment provides silicones. The Specialty Chemicals Business segment provides cellulose derivatives, silicon metal, polyvinyl alcohol, and synthetic pheromones. The Semiconductor Silicon Business segment provides silicon wafer products. The Electronics and Functional Materials Business segment provides rare earth magnets, coating materials, photomask blanks, oxide single crystals, and liquid fluoroelastomers. The Diversified Business segment includes processed plastics, international trading, engineering, ad information processing. The company was founded on September 16, 1926 and is headquartered in Tokyo, Japan.