hanbong pp-r pipes are all for r200p standard, which conforms to the international standards. pp-r pipes are non-toxically, corrosion proof, never seeped, high mechanical strength, heat endurance and energy saved. usage: residential hot and cold water supply industrial water and chemical material transmission, emission. clean and pure water pipe the hot water circulation system compressed airs pipe drink productions transmission system. “hot floor” systems other industry and agriculture pipe. our manufacture is effected to strict industry standards, with a reputation for quality products, innovation and environmental care. han bong pipes, fittings and other products are designed, produced and shipped to provide the single customer and distributor an inexpensive, consistent, superior product. please do not hesitate to contact us for any details, we would provide them promtly please do not hesitate to write us to m.tolmacheva(at)hanbong(dot)biz