... double-layer composite tube of large caliber, it is the finest choice for replacing imported production line. According to the customer ... water/gas pipe extrusion lineKeywords:PE pipe extruder, PE pipe extrusion, pipe extrusion, PE tube extrusion, PE extruder, Plastic extruder, plastic extrusion, extrusion machine, single screw extruder,HDPE pipe extruder, HDPE pipe extrusionMain technical ...