Calcium Carbide, Graphite Electrode, Cac2 manufacturer / supplier in China, offering Industrial-Grade Calcined Petroleum Coke CPC Increase Carbon Content · Conductivity · High Temperature Resistance, Calcined Petroleum Coke CPC Metallurgy / Casting / Anode Three-in-One Carbon Material, Cast Iron Made From Calcined Petroleum Coke CPC Uniform Particle Size · Low Impurities · Improved Casting Performance and so on.