Calcium Carbide, Graphite Electrode, Cac2 manufacturer / supplier in China, offering High-Carbon, Low-Sulfur Graphitized Petroleum Coke Powder, Professional-Grade Casting Material, with Stable and Reliable Quality, Wholesale of Fully Graphitized Petroleum Coke, with Large Quantity Offering Favorable Prices, Covering Demands in Various Fields Such as Casting and Metallurgy., Customized Carbonized Petroleum Coke, Suitable for Applications Such as Electrolytic Aluminum Production, Negative Electrode Materials, and Graphite Electrodes. and so on.