Tosoh



Tosoh Corporation is a global chemical and specialty materials company. The company was founded in 1935 in Yamaguchi Prefecture, as Toyo Soda Manufacturing Co., Ltd., and changed its name to Tosoh Corporation in 1987. Today, its corporate headquarters are in Tokyo, Japan.
Tosoh Corporation began as a manufacturer of chlor-alkali and petrochemical commodities and feedstocks. Today, the company produces other kinds of products including electrolytic manganese dioxide, specialty polymers, fine chemicals, scientific instruments, and thin-film materials.
The Tosoh Group globally comprises more than 130 companies and includes manufacturing and marketing facilities in East Asia, Europe and the United States.
The company is listed on the first section of the Tokyo Stock Exchange and is a constituent of the Nikkei 225 stock index.
Tosoh's Nanyo complex has an annual vinyl chloride monomer production capacity of 1.2 million tons, the primary chemical intermediate of vinyl plastic.
Tosoh is a member of the Mizuho keiretsu.
Tosoh acquired in 2006 and absorbed into Tosoh in 2014.
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Business groups and products

Tosoh Corporation is divided into 13 business divisions organized into five groups: Petrochemical, Chlor-Alkali, Speciality, Engineering, and a fifth group composed of support services, including logistics, construction, engineering support, and other support activities. Listed below are the five groups and their primary products: