供应Graphitized petroleum coke can be used as Carbon raiser/recarburizer to produce high quality steel, cast iron & alloy castings, which require low sulfur content.
供应 Graphitized petroleum coke can be used as Carbon raiser/recarburizer to produce high quality steel, ca
供应 Metallurgical CokeMetallurgical Coke is a carbon with high mechanical resistance produced from bitumin
供应 Semi coke is made from high grade Jurassic coal and as a new type of carbon material.Semi coke is made