The basis of mold is widely used in industrial production process equipment, mould industry is the basic industry of national economy. Widely used in modern industrial production, product parts forming, extrusion forming, stamping, die-casting, forging forming, plastic injection, or other forming method, and the forming mould, make the billet forming parts to meet the requirements of the product. That we use in our daily life and production to the various tools and products, to the base of the machine tool, the fuselage shell, small to a germ head screws, buttons, and all kinds of household appliances shell, which has close relation with the mould. The shape of the die decides the shape of the products, precision mold processing quality and determines the quality of these products. Rapid development in recent years, mould industry, graphite material, new technology and the increasing of die mold factory constantly hitting the market, the graphite with its good physical and chemical properties gradually become the preferred material of mold production.