... delivery with good service 1, PPR and aluminium material; 2, Different size and colors available; 3, High quality; 4, CE, ISO 9001 are ... approved 1, Size: φ20, 25, 32, 40, 50, 75mm;2, PPR and aluminium material ... quality and good after-sale service;7, Competitive price;8, OEM is acceptable;9, CE, ISO 9001:2000 are approved. ppr-al-ppr pipe ...