... nail lines etc. SS Pipe Welding Roller Mould For Tube Mill 1. Specifications: 1. BrandYuan Xing Hong2. MaterialNatianal Standard ... Moulds: a. Better material ( the materials are from state company)b. Precised process by CNCc.Better heatreatment wayd. Higher ... professional manufacturer of the Stainless steel pipe making machine, Tube Mill, Moulds/ Roller, Polishing Machine, Slitting Machine, End Facing ...