PE hollow wall winding pipe equipment interprets the quality of high-quality drainage pipes
PE hollow wall winding pipe equipment interprets the quality of high-quality drainage pipes PE hollow wall winding pipe equipment has the advantages of corrosion resistance, light weight, simple installation, large flow capacity, and long life (50 years). The special-shaped strip made of steel-plastic composite is spirally welded (extrusion welding on the lap surface) )production. It can repl