This kind of pipe has the advantage of high ring-stiffness, low weight and cost, connecting well and tight, acid and alkali resistance, no corrosion, long life and easy construction. HDPE Large-caliber hollow wall winding pipe is widely use in city buried drainage pipe. Character: 1. Advance technology and unique design. 2. Use High efficiency Single screw extruder to make sure the pipe fast and good quality produce 3. Adopt Compound die co-extrusion and spiral shaping 4. Use PLC control system, easy operation and stable.
