Our ppr pipes are made of the highest quality ppr material, which is tested under extreme conditions & conforms to global quality standards for quality; conforming to world-class standards of quality,  they are extremely reliable & offer convenient & reliable installation in any plumbing system. Technical specification Standard: gb/t18472, iso15874, din 8077 8088 Color: green, grey and white Length: 4m/pc or customized. Applications (1) hot and cold water supply facilities in civilian constructions, such as residential estates, airports, hotels, schools and office rooms, etc.;   (2)food delivery, chemical engineering and electronics, etc.;  (3)various industrial corrosive liquids (acid, alkali and salt, etc.) delivery pipes;  (4)drinking water (purified water and mineral water, etc.) pipe network system;  (5)pipe for air conditioners and heating pipe of residential estates;  (6)compressed air pipelines for plant and pipelines for solar energy facilities;  (7)agricultural and landscape production delivery system.