Graphite Powder, Silicon Carbide, Recarburizer manufacturer / supplier in China, offering Graphite Petroleum Coke with Controlled Moisture and High Fixed Carbon 98.5% S 0.05% Ash 0.7% V. M. 0.8%, High Quality Semi- Graphite Petroleum Coke with Fixed Carbon 98% Use to Produce Gray Cast Iron in Foundry, High Purity High Fixed Carbon Graphite Petroleum Coke GPC Used in Metallurgy and Casting Industries and so on.