... long life span The main machine of this line is a single screw plastic extruder of new type and high efficient. According ... fulfill low pressure extrusion, thus increases tubing's quality. 3.PE Pipe production Line mainly produces agricultural water supply & drainage pipes, building supply ... machine unit can be produced. 8.By change of molds, PP, PE, ABS, PPR, PEX and silicone core pipes can be produced ...