Series of roller moulds available for GH10,25,32,45,60,76,89,114, ... steel unit. The rollers designed in our factory ranging from forming of materials and heat treatment to processing of macihines adopt ... precision,high quaity and long service life.Series of roller moulds available for GH10,25,32,45,60,76,89,114 ... ,welded pipe units as well as stainless steel unit. roller moulds