Toho Zinc Co., Ltd. engages in the smelting and refining, mineral resources, electronic components and materials, environment and recycling, and building materials businesses in Japan. The company offers electrolytic zinc, die-casting zinc alloys, zinc powder, cadmium oxide, sulfuric acid, electrolytic lead, lead alloys, and electrolytic silver and bismuth. It also operates zinc and lead mines; and produces iron and amorphous powders, as well as Fe-Al-Si based powder core materials for use in automotive electronics, office automation equipment, and industrial equipment. In addition, the company provides MAIRON and ATOMIRON electrolytic irons; gold, silver, nickel, tin, and reflow tin electro plates; and machine parts, such as balancing weights, powdered metallurgy products, molds, etc. Further, it recycles zinc oxide from electric furnace dust and small rechargeable batteries; and offers SOFT CALM sound insulation materials. Additionally, the company provides X-ray protection and shielding lead-based building materials for use by housing manufacturers, and medical and industrial fields. Toho Zinc Co., Ltd. was incorporated in 1937 and is headquartered in Tokyo, Japan.