... Low Energy Consumption 5.PE Pipe Extrusion Line [Single Screw Extruder PE Pipe Extrusion Line] .1.0 ... roughness reaches Ra≤0.8um 2.4 The type of struction: highly plastic uniformity 2.5 Material ... ,which has a professional team to ensure the core quality of extruder.3.0 Electric Component Parts ... shaped twin-screw extruders, SJW series single-screw extruders, PVC-U core foaming pipe units, high-speed PVC ...