PVC Water Pipes 1.ISO9001,ISO14001,OHSAS18001.. 2.Lengh:4m or other length 3.Normal Diameter:16mm 4.Used to cold water PVC Water PipesWe ... fittings, PE pipe and fittings, PP-R pipe and fittings, PVC-M pipes and fittings, HDPE pipes and fittings, PB pipes ... wires installation and so on.In addition, We have passed ISO9001, ISO14001, OHSAS18001. We adhere to “quality first, customer supreme”. Sincerely ...