PB pipe (polybutylene) is a polymer inert polymer, was born in the 70s, PB resin is a synthetic polymer of butene-1 complex, which has a high temperature resistance, durability, chemical stability and plasticity, tasteless, non-toxic, odorless, suitable for a temperature range of -30 ℃ to 100 ℃, with cold, heat, pressure, no rust, no corrosion, scaling, long life (up to 50 - 100 years), and there is a long-term aging characteristics, is one of the world's most sophisticated chemical materials present. Many countries in the world have been widely used. Has a reputation for "plastics gold".