... low noise 4 long life High Speed PE Gas Pipe Production Line Vacuum feeding → material dryer→ HDPE pipe extruder → color extruder → ... with the function of long distance control6. Size required:Φ900,Φ1000,Φ1100,Φ1200,Φ1400,Φ16007. Thickness grade:1000mm,1100mm, 1200mm, ... before shipment Pre-sale of High Speed PE Gas Pipe Production Line: We provide presales service in various forms, for example, ...