... equipment.This production line is mainly used to produce PVC profile, such as Ceiling, Deck, Floor, Cornice, ... . Conical twin-screw extruder, suitable for processing PVC powder and WPC raw materials.2. Changing the ... moulds to produce many kinds of different PVC profiles.3. Auxiliary machine: Mixing unit, Mould, ... course ,welcome to our factory. PVC window and door profile making equipment