The pp-r pipe is for water supply system, it is no fur, no rust, healthy and clean to use in family water using. Its longer service life and convenient installtion, those good property make this kind of pipes become a popular used pipes. we adopted imported raw material, pay much attention to the quality control from raw material to the finished products. We passed the ISO9001 and ISO14001, and our products passed the 8760 aging test.  We exported to many countries, like South America, European, Middle East, Russion, Vietnam, Korea, Indonesia....and getting many certificates of GOST(Russiia), Vietnam Certificates, Kenya (Intek)  this size of pipes are used for cold water system