... , specializing in manufacturing the Stainless Steel Pipe Making Machine, Tube Mill, Stainless Steel Welded Mould/Rolls, Bright Annealing Line, ... like scuffing, wrinkling, nail lines, fish-scale veins. After-sell service: 1. Guarantee time: 1 year One year quality guarantee ... pipe are used in industrial area: Convey water, food, oil etc.Used in chemical, medical Welding Pipe Mould/Rolls for SS Tube Mill