It is suitable for water supply of high-rise buildings, heat supply network, tap water works, gas transmission, buried water and other pipelines. Oil pipeline, chemical and pharmaceutical, printing and dyeing industries to transport corrosive medium process pipeline. Sewage treatment discharge pipe, sewage pipe and biological tank anticorrosion engineering. Agricultural irrigation pipe, deep well pipe, drainage pipe and other networks, it can be said that 3PE anticorrosive steel pipe in the current construction of yes.