Calcium Carbide, Graphite Electrode, Cac2 manufacturer / supplier in China, offering Customized Granularity Calcined Petroleum Coke (CPC) with Precise Screening to Meet The Needs of Refined Production., Sulfur Content≤ 0.5% Prevents Steel Embrittlement Risk, Low Sulfur Calcined Petroleum Coke (CPC) , High Carbon Quality, Widely Used in Various Industrial Applications. and so on.