PVC window/ door profile extrusion line main features: 1. Adopt advanced design concept, make good appearance and easy to operate; 2. Sepcial designed high plasticization screw, high quality reduction gearboxes and converter motors make high output extruder; 3. Well known electrical components, high torque force motors, together with advanced energy saving technology lower energy consumption mostly; 4. High precise die head and vacuum calibrating sleeve, effective water spray cooling system, uniform speed and high traction force haul-off machine make smooth pipe surface and uniform thickness; 5. Nitrided screw and barrel surface, high quality steel used in the line, make line using longer; 6. None scrap cutting machine, special designed PVC powder feeding machine, friendly to environment; 7. Guaranteed after-sale service and life time warranty free buyers frrom any trouble.