Carbon Additive, Graphite Petroleum Coke, Calcined Petroleum Coke manufacturer / supplier in China, offering 1-5mm Sulphur 0.05%Graphitized Petroleum Coke|Artificial Graphite, Low Sulphur High Quality Calcined Petroleum Coke as Carbon Raiser for Foundry and Metallurgy, Recarburizer Graphite Petroleum Coke/GPC for Foundry/Steelmaking and so on.
Suppliers with verified business licenses