... , profile extrusion machinery ) profile extruding line (profile making line , profile production machinery , profile extrusion ... holes, 7 holes, 9 holes), the line use different parallel or conical twin screw extruder ... with vacuum calibration table, haul-off unit, cutter, stacker etc. The main extruders output varies ... working, and can cut auto-measured. The line can adopt 4 meters, 6 meters, 8 ...