Graphite Electrode, GPC, CPC manufacturer / supplier in China, offering China Coal Factory Coke for Sale Carbon Raiser Calcined Petroleum Coke CPC Price, 0-1 1-5 3-8mm GPC Graphite Semi Graphitized Petcoke Steelmaking Carbon Additive Foundry Metallurgical Met Calcined Petroleum Coke CPC Price, 98.5% Fixed Carbon Pitch Coke Calcined Petroleum Coke with 0.5% Sulphur with Low Price for Sale and so on.