Graphite electrode is a major conduction material used in the electric smelting industry, which has the properties of superior electric conductivity, thermal conductivity, high strength, oxidation and corrosion resistance in high temperature. Graphite electrode is typically used in the electric arc furnace smelting steel, the submerged-arc furnace producing ferroalloy, pure silicon, phosphor, matter, calcium carbide etc., furnaces producing graphite electrode, glass-melting furnaces, electric electrode has been essential part of the raw material industry.