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 JapanâÂÂs third-biggest producer of zinc.
Toho Zinc has four manufacturing sites in Japan: