Carbon raisers are generally divided into calcined petroleum coke (CPC), graphitized petroleum coke (GPC), calcined anthracite coal (CAC), electrically calcined anthracite, graphite electrode scraps, and graphite column carburizer. They are usually used for converter smelting or high-carbon steel smelting. The requirements for carbon raisers used in top-blown converter steelmaking are high fixed carbon content, low ash content, low volatile, low sulfur content, low phosphorus content, low nitrogen content and low other impurities. Besides, the carbon raisers also are required to be dry, clean, and in moderate particle size. requirements of each unit. the production processes are also different. There are woody carbon, coaly carbon, coke, graphite and so on. The use of recarburizer Used to improve the Carbon content in steel-making and Ductile iron foundryHigh carbon, low sulfur, with stable effect for improving the carbon contentUsed in electric furnace steel smelting and cast-iron for improving the carbon contentIn producing casting,increase the used quantity of Scrap steel and reduce the Scrap ironNINGXIA Calcined petroleum coke selected through a rigorous screening of high-quality graphite as raw materials, with a continuous high-temperature furnace refining process,through high temperature purification, grinding,drying,screening and other processing procedures,with a high purity, excellent particle morphology and graphite crystal structure.Not only play recarburization function, but also promotes the nucleation bred of cast iron, improves graphite refinement and increases the number of graphite nodules, improve the mechanical properties and processability.