... : High precision , and high quality mechanical component,used onMetallurgical machinery Metallurgical machinery cone roller :Jiangsu Giant Ally Imp. & Exp. Co., ... components.We have established a long term relationship with the world top 500 enterprises: Bombardier, Danieli, Siemens etc.Specification: ... ISO14000Range of diameter : 50MM-5000MMSurface accuracy: 0.001 Metallurgical machinery cone roller