... Diameter of Pipe:16-630mm 3>Material: PVC, CPVC, UPVC 4>One Year Quality Gurantee PVC, CPVC, UPVC pipe production line, ... machineSJSZ series plastic pipe extrusion line is specializing in manufacturing PVC pipes of different diameter and thickness. They are applied to ... and corrosion resistance, hot and lukewarm water supply and drainage system, , directly buried pipes of high and extra high Voltage ...