Shin-Etsu Chemical Co., Ltd. engages in the polyvinyl chloride (PVC)/chlor-alkali, semiconductor silicon, silicones, electronics and functional materials, specialty chemicals, processing, and trading and specialized businesses worldwide. It offers PVC for use in PVC pipes, plastic greenhouses, electric wire coating materials, PVC-framed windows, and siding materials; caustic soda for use in alumina, paper and pulp, cathode materials, and super-absorbent polymers; and sodium hypochlorite. The company also provides semiconductor silicon wafers for use as substrate materials in smartphones, personal computers, electronic devices, data centers, and automobiles; and compound semiconductor products for outdoor displays, traffic lights, in-vehicle stop lamps, and sensor light sources. In addition, it offers silicone products for use in cosmetics, buildings, lithium-ion batteries, plastic products, contact lenses, textile treatments, continuous positive airway pressure devices, ship-bottom paints, fuel efficient tires, and toys; rare earth magnets for use in hybrid cars, electric vehicles, industrial equipment, and home appliance; photoresists, photomask blanks, encapsulation materials, pellicles, and other products; and low dielectric materials, silane, multipurpose film materials, liquid fluoroelastomer, fluorinated anti-smudge coating, synthetic quartz, oxide single crystal, pyrolytic boron nitride, and anode materials. Further, the company provides cellulose derivatives; synthetic pheromones; polyvinyl alcohol; aroma chemicals; SOLBIN, a copolymer resin; silicon metal; and automobile dashboard audio and air conditioners, silicone catheters, wafer cases, rollers for OA equipment, PVC wrapping films, and vacuum assembling equipment, as well as engineering services. The company was formerly known as Shin-Etsu Nitrogen Fertilizer Co., Ltd. and changed its name to Shin-Etsu Chemical Co., Ltd. in 1940. The company was incorporated in 1926 and is headquartered in Tokyo, Japan.