rollers, printing machine parts.The machining workshop, rivet welding workshop, casting / forging workshop ... . For rollers, we can do different rollers for plain cast iron roller, centrifugal roller, normal steel casting roller, semi-steel roller ... material (steel grade) of our machining parts: CrMo ductile cast iron indefinite chill, high NiCr centrifugal casting, ZU70Mn2, semi-steel, 60CrMnMo ...