a,Manufacturer Stainless steel lined tubes b,Inner layer of Stainless steel or Copper Tube. c,Outer layer of Galvanized Steel. Manufacturer Stainless steel lined tubes, Stainless steel lined pipesCOST SAVINGS UP TO 50%~60%. Stable quality, widely usage, and high comprehensive economic indicators. Specifications and Features the Following: Nominal Diameter (DN)Composit PipeMinimum thickness of ...