Shin-Etsu Chemical. 

Shin-Etsu Chemical Co., Ltd. is a prominent global manufacturer operating across a diverse range of chemical and material industries. The company's principal operations span polyvinyl chloride (PVC) and chlor-alkali products, cutting-edge semiconductor silicon, various silicone compounds, electronic and functional materials, specialty chemicals, material processing, and niche trading activities. Structurally, it organizes its business into four distinct segments: Infrastructure Materials, Electronics Materials, Functional Materials, and Processing and Specialized Services. Shin-Etsu's extensive product catalog serves critical applications worldwide, ranging from foundational elements like PVC-framed windows and essential pipes for water and sewage systems to sophisticated components for advanced technology. This includes vital materials found in electric, hybrid, and fuel cell vehicles; wind power generators; air conditioners; aircraft; industrial motors; and high-purity semiconductor silicon essential for robotics. Additional key offerings feature cellulose derivatives, caustic soda, polyvinyl alcohol, photoresists, photomask blanks, encapsulant materials, rare earth magnets, silicon wafers, LED packaging materials, synthetic quartz, pellicles, the copolymer resin SOLBIN, anode materials for batteries, input devices, wafer cases, and specialized wrapping films. Founded in 1926, the company initially operated as Shin-Etsu Nitrogen Fertilizer Co., Ltd., before officially rebranding to Shin-Etsu Chemical Co., Ltd. in 1940. Its corporate headquarters are situated in Tokyo, Japan.