Graphite Powder, Silicon Carbide, Recarburizer manufacturer / supplier in China, offering Calcined Petroleum Coke Fixed Carbon98.5% CPC Sulphur 0.1% 1-3mm 1-5mm 2-4mm 8-25mm Calcined Petroleum Coke for Cement Industry, Low Sulfur Low Resistivity Calcined Petroleum Coke CPC 98.5% 1-3mm for Steel Making and Aluminium Industry CAS 64741-79-3, Calcined Petroleum Coke Powder / Aluminum Anode CPC and so on.