Shin-Etsu Chemical Co., Ltd. (信越化学工業株式会社 Shin'etsu Kagaku Kōgyō Kabushiki Kaisha) is the largest chemical company in Japan, ranked No. 9 in Forbes Global 2000 for chemical sector. Shin-Etsu has the largest global market share for polyvinyl chloride, semiconductor silicon and photomask substrates.
“Shin-Etsu” in the company's name derives from Shin'etsu Region, where the company established the first chemical plant as Shin-Etsu Nitrogen Fertilizer in 1926, though the company today is headquartered in Tokyo and has its manufacturing locations in 14 countries worldwide.
Shin-Etsu splits its business into three distinct groups:
- Organic and inorganic chemicals
- Main products: polyvinyl chloride (PVC), silicones, methanol, chloromethane, cellulose derivatives, povals, caustic soda, and silicon metals
- Electronics materials
- Main products: semiconductor silicon, organic materials, rare earth magnets for the electronics industry and photoresist products
- Functional materials
- Main products: synthetic quartz, rare earth and rare-earth magnets for general use
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