... windows doors profile Wood Plastic Profile Extrusion Line Application:Plastic profile extrusion line is mainly used to produce PVC,PP ... , midheaven board, special section profile and so on.The line is composed by extruder, mould, vacuum, calibrator, haul ... -Dimension adjustable vacuum calibrating unit, optimized vacuun swith, flow switch, multiple choice of dies. 3. Optimized designed tooling, precise ...