Graphite Steel Rolls:the main character is that it contains a small amount of graphite in its microstructure. Graphite Steel RollsJiangsu Giant Ally Imp. & Exp. Co., Ltd.is a high-tech enterprise focusing on the designing and manufacturing of precision components.We have established a long term relationship with the world top 500 enterprises: Bombardier, Danieli, Siemens etc.The characteristics ...