is a Japanese manufacturer of

zinc Zinc is a chemical element; it has symbol Zn and atomic number 30. It is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodic tabl ...

related products. Established in 1937, it smelts nonferrous metals such as

lead Lead () is a chemical element; it has Chemical symbol, symbol Pb (from Latin ) and atomic number 82. It is a Heavy metal (elements), heavy metal that is density, denser than most common materials. Lead is Mohs scale, soft and Ductility, malleabl ...

and

and produces

electronic components An electronic component is any basic discrete electronic device or physical entity part of an Electronics, electronic system used to affect electrons or their associated electromagnetic field, fields. Electronic components are mostly industrial ...

. There are seven branches in Japan and two branches in China, in

Hong Kong Hong Kong)., Legally Hong Kong, China in international treaties and organizations. is a special administrative region of China. With 7.5 million residents in a territory, Hong Kong is the fourth most densely populated region in the wor ...

and

Shanghai Shanghai, Shanghainese: , Standard Chinese pronunciation: is a direct-administered municipality and the most populous urban area in China. The city is located on the Chinese shoreline on the southern estuary of the Yangtze River, with the ...

. The company was responsible for cadmium poisoning on Tsushima Island in the late twentieth century. The company is Japan’s third-biggest producer of

Operations

Toho Zinc has four manufacturing sites in Japan: * Annaka smelter and refinery with

zinc smelting Zinc smelting is the process of converting zinc concentrates ( ores that contain zinc) into pure zinc. Zinc smelting has historically been more difficult than the smelting of other metals, e.g. iron, because in contrast, zinc has a low boiling poin ...

and refining operations * Chigirishima smelter and refinery with lead smelting and refining operations

* Onahama smelter and refinery recycling operations * Fujioka Works at which electronic components and materials are produced

References

External links

Toho Zinc official website

Toho Zinc official website
Electronics companies of Japan Mining companies of Japan Manufacturing companies based in Tokyo Companies listed on the Tokyo Stock Exchange Companies in the Nikkei 225 Manufacturing companies established in 1937 Japanese brands Japanese companies established in 1937 {{manufacturing-company-stub Metal companies of Japan