... 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 off ... switch, multiple choice of dies. 3. Optimized designed tooling, precise fabricated, high quality material. 4. Dynamic balance type caterpillar ...