... 3>Material: PVC, CPVC, UPVC 4>One Year Quality Gurantee PVC, CPVC, UPVC pipe production line ... They are applied to agricultural and construction water supply and drainage, overhead or underground wire and ... Due to the special characteristics of the CPVC plastic pipes, they are widely used in ... and corrosion resistance, hot and lukewarm water supply and drainage system, , directly buried pipes ...