Operating from its Tokyo headquarters, Tokai Carbon Co., Ltd. is a Japanese manufacturer and supplier specializing in a diverse range of carbon-based products and associated services. Among its core offerings are graphite electrodes, essential components for various electric furnace types, including direct current, alternating current, and refining applications. It also produces multiple grades of carbon black, such as SEAST, TOKABLACK, Aqua Black, and Thermal black, which serve dual purposes: strengthening rubber in tires and acting as a black pigment for a wide array of dark-colored goods.