Calcium Carbide, Graphite Electrode, Cac2 manufacturer / supplier in China, offering Steelmaking Carbon Increase Calcinated Petroleum Coke CPC High Absorption Rate Refines Metal Crystallization Structure, Customized Granularity Calcined Petroleum Coke (CPC) with Precise Screening to Meet The Needs of Refined Production., Sulfur Content≤ 0.5% Prevents Steel Embrittlement Risk and so on.