PP-R water pipes 1.ISO9001,ISO14001,OHSAS18001 ... pipe and fittings, PE pipe and fittings, PP-R pipe and fittings, PVC-M pipes and fittings ... . They are used for different situations. Like water supply and drain system, gas delivery system, ... the future.The more details about our PP-R water pipes:1. Material: PP-R2. Standard: GB/T, ISO, ... kind of Pipe is used for cold water water NO: 010 PP-R Water Pipes