PPR трубы вода

Features: 1)economy:low cost, endure using and lifespan over 50s. 2)size: 4m for hot and cool. 3) usefully:not including high metal or other things bad for healthy,especially resident or other publics comprehensive. 4)capability:it look as a hygiene environment of water quality and eating industry 's non-toxic hygiene. 5)specification:dn20mm, dn25mm, dn32mm, dn4mm, dn50mm, dn63mm, dn75mm, dn90mm, dn110m. 6)thickness:3.4mm, 4.2mm, 5.4mm, 6.7mm, 8.3mm, 10.5mm, 12.5mm, 15mm, 18.3.