Toho Zinc Co., Ltd. is mainly engaged in the manufacture and sale of non-ferrous metal products, the exploration, development and production of non-ferrous metal resources, the manufacture and sale of electronic parts, environment and recycle business, as well as the logistics and other business. The Company operates in five business segments. The Refining segment is engaged in the manufacture and sale of zinc, lead, and other non-ferrous products. The Resources segment is engaged in the exploration, production and sale of non-ferrous resources. The Electronic Materials segment is engaged in the manufacture and sale of electrolytic iron products, plating products and other electronics components and materials. The Environmental and Recycle segment is engaged in the manufacture and sale of zinc oxide, as well as the process of the waste and others. The Civil Engineering, Construction and Plant Engineering segment is engaged in design, manufacture and sale of equipment.