PE (polyethylene) material is widely used in the field of water supply pipe manufacturing due to its high strength, corrosion resistance and non-toxicity. Because it will not rust, it is an ideal pipe to replace ordinary iron water supply pipe. China's plastic pipe development is rapid, the quality is constantly improving. Among them, polyethylene PE pipe is widely used in building water supply, building drainage, buried drainage pipe, building heating, gas transmission, electrician and telecommunication protection casing, industrial pipe, agricultural pipe and so on because of its own unique advantages. It is mainly used in the fields of urban water supply, city gas supply and farmland irrigation.