Toyo Kohan Co., Ltd. manufactures and sells tinplate, sheet metal, surface-treated steel sheets, and functional materials in Japan and internationally. The company offers steel sheets, such as tin plates, tin free steel, and laminated steel sheets for containers; electro-galvanized, nickel-plated, and cold rolled steel sheets for electrical and electronic parts, and vehicles; and vinyl chloride resin decorative steel sheets and steel foils for external cladding and construction, as well as silver mirror finish plated metal sheets. It also provides functional materials, including magnetic disk substrates for hard disk drives; cladding materials; and functional films for containers and optics. In addition, the company offers machine related products, which include abrasion and corrosion-resistant hard alloys; and DNA chips. Toyo Kohan Co., Ltd. was founded in 1934 and is headquartered in Tokyo, Japan. Toyo Kohan Co., Ltd. is a subsidiary of Toyo Seikan Group Holdings, Ltd.