Graphite Electrode, Graphite Rod, Graphite Block manufacturer / supplier in China, offering Low-Sulfur Calcined Petroleum Coke Size 1-3/1-5/2-6mm, Fuel-Grade Graphitized Petroleum Coke (GPC) for Power Plants, 300mm-600mm UHP HP RP Graphite Electrode with Nipple for Arc Furnace and so on.