... ppr pipe 1.Material:PPR,AL 2.Size:20,25,32,40,50,63 3.Cert.:ISO9001,CE 4.OEM service Aluminum-plastic PP-R composite ... pipe1.Material:PPR,AL2.Size:20,25,32, ... 40,50,633.Cert.:ISO9001,CE4.OEM service Application: 1. Hot water and cold water pipe ... and wall , snowmelting deveices for bulding3. Pipe used for solar enery water heater4. Coal ...