HDPE Double Wall Corrugated Pipe Machine , Single / Double Extruder

HDPE Double Wall Corrugated Pipe Machine , Single / Double Extruder Specifications: hdpe double wall corrugated pipe making line 1, pipe diameter: 50--250mm 2, single/double extruder 3, CE 4, welcome visit sample ma hdpe double wall corrugated pipe making line/machine Product Description Double wall corrugated pipe are widely used in highway, railway roadbed, the Mass Transit Railway engineering, waste landfill sites, tunnels, green belts, sports grounds and drainage area