Toho Zinc

Toho Zinc Co., Ltd. (東邦亜鉛株式会社) is a Japanese manufacturer of zinc related products. Established in 1937, it smelts nonferrous metals such as lead and zinc and produces electronic components. There are seven branches in Japan and two branches in China, in Hong Kong and Shanghai. The company was responsible for cadmium poisoning on Tsushima Island in the late twentieth century.

The company is Japan’s third-biggest producer of zinc.

Operations
Toho Zinc has four manufacturing sites in Japan:


 * Annaka smelter and refinery with zinc smelting and refining operations
 * Chigirishima smelter and refinery with lead smelting and refining operations Chigirishima.TA.jpg
 * Onahama smelter and refinery recycling operations
 * Fujioka Works at which electronic components and materials are produced