Aluminum composite pipe for water supply 1.material:PE,AL,PE 2.size:1216,1620, ... OEM 4.Certification:ISO,CE Aluminum composite pipe for water supply1.material:PE,AL,PE2.size:1216,1620,2025, ... and high pressure2>Resistance to erosion and the noiseless water hammer3>Smooth inwall guaranteeing the least resisting force and ... numerous fields aluminum ppr pipes/Aluminum composite pipe for water supply