... 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 ... adjustable vacuum calibrating unit, optimized vacuun swith, flow switch, multiple choice of dies. 3. Optimized designed tooling, precise fabricated, ...