Graphite Electrode, CPC, GPC manufacturer / supplier in China, offering Calcined Petroleum Coke (CPC) with Low Volatile Content, for Carbon Fiber Manufacturing, Medium - Granular Calcined Petroleum Coke (CPC) , 2.5 - 6mm, for Carbon - Based Adsorbents, High - Quality Calcined Petroleum Coke (CPC) with Ash ≤ 0.35%, for Lithium - Sulfur Batteries and so on.