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is a global chemical and specialty materials company. The company was originally founded in 1935 in Yamaguchi Prefecture, as Toyo Soda Manufacturing Co., Ltd.,〔(【引用サイトリンク】title=History of Tosoh )〕 and in 1987 changed its name to Tosoh Corporation. Today, its corporate headquarters are in Tokyo, Japan. Initially a major manufacturer of chlor-alkali and petrochemical commodities and feedstocks, the Tosoh Group today collectively produces other kinds of products including but not limited to electrolytic managenese dioxide (EMD), specialty polymers, fine chemicals, scientific instrumentation, thin-film materials (sputtering targets (sputtering deposition) and silica glass (quartz)), fabricated silica glass and water treatment technologies. The Tosoh Group globally comprises more than 130 companies, which include manufacturing facilities and sales/marketing offices in Japan, China, the Philippines, Indonesia, Singapore, Taiwan, South Korea, Germany, Belgium, the Netherlands, Italy, the UK, Greece, Switzerland and the USA.〔 The company is listed on the first section of the Tokyo Stock Exchange and is a constituent of the Nikkei 225 stock index.〔(【引用サイトリンク】title=Components:Nikkei Stock Average )〕 Tosoh's Nanyo complex is capable of making a total 1.2 million tonnes per year of vinyl chloride monomer, a material used in making plastic. Tosoh is a member of the Mizuho keiretsu. ==Business groups and products== Tosoh Corporation is divided into 13 business divisions that are organized in 5 groups: Petrochemical, Chlor-alkali, Speciality and Engineering. A fifth group, Other, primarily comprises logistics, construction, engineering support, and other services. Below are the 5 groups including some of the products they produce:〔(【引用サイトリンク】title=Business Groups )〕 * Petrochemical Group * * Olefins (ethylene, propylene and polypropylene, tert-Butanol, aromatics) * * Polymers (LDPE, LLDPE, HPDE, synthetic rubber, polychloroprene rubber, etc.) * Chlor-Alkali Group * * Basic Chemicals (calcium hypochlorite, caustic soda (sodium hydroxide), chlorinated paraffins, sodium bicarb, vinyl chloride monomer,〔 polyvinylchloride) * * Methylene diphenyl diisocyanate (MDI) * * Cement (Portland cement, blast-furnace slag cement, fly ash cement) * Specialty Group * * Organic Chemicals (organic intermediates, ethyleneamines, flame retardants, polyurethane catalysts, benzyl alcohol, hydrocarbon based solvents, piperazine, sodium styrene sulfonate, bromochloropropane(BCP)) * * Advanced Materials (silica glass, sputtering deposition targets, zeolites, zirconia injection mold and grinding media, battery materials, silica, ) * * Bioscience (automated immunoassay and glycohemoglobin analyzers, high-performance liquid chromatography (HPLC), molecular analyzers, chromatographic resins, size-exclusion chromatography instruments, laboratory automation solutions and services, reagents) The Specialty Group focuses on products for high-technology industries including semiconductors, consumer electronics, pharmaceuticals and health care. * Engineering Group * * Water Treatment * Other Services Group * * Analytical Services * * Information Technology * * Personnel Management * * Logistics 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tosoh」の詳細全文を読む スポンサード リンク
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