profile extruding line (profile making line , profile production machinery , profile extrusion machinery ) profile extruding line (profile making line , profile production machinery , profile extrusion ... , 6 holes, 7 holes, 9 holes), the line use different parallel or conical twin screw extruder depend ... , stable working, and can cut auto-measured. The line can adopt 4 meters, 6 meters, 8 meters, ...