Toyo Tanso Co., Ltd. engages in the production and sale of various carbon materials in Japan and internationally. The company provides isotropic graphite products for use in semiconductor, mold, renewable energy, and atomic power industries; carbon-carbon composite materials for use in electronics, environment and energy, general industrial furnaces, automobiles, and other means of transport industries; and PERMA-FOIL, a flexible graphite sheet that is used as a seal to note automotive gaskets and packing. It also offers mechanical carbon for sliding parts in high-temperature environments and submersion in chemicals, and in fields where lubricated parts cannot be used, as well as copper-impregnated carbon materials for a pantograph slider; carbon brushes for home appliances and power tools; PERMA KOTE, a SiC coated graphite for use in the semiconductor manufacturing industry; PYROGRAPH, a high purity graphite product; and GLASTIX KOTE, a graphite substrate impregnated or coated with glass-like carbon. In addition, the company provides CNovel, a porous carbon; EVEREDKOTE-B, a high-purity isotropic graphite substrate; TaC/Ta Composite EVEREDKOTE-K, a high-purity tantalum; and KLASTA MATE, a metal-carbon composite. Further, it offers technical services, such as machining, heat treatment, high purity treatment, surface treatment, impregnation, forming, and measurement. The company was formerly known as Kondo Carbon Manufacturing Co., Ltd. and changed its name to Toyo Tanso Co., Ltd. in November 1949. Toyo Tanso Co., Ltd. was founded in 1941 and is headquartered in Osaka, Japan.