... line.This production line is mainly used to produce PVC profile, such as Ceiling, Deck, Floor, Cornice, Plank, Windows, Door ... frame and board and etc.Feature:1. Conical twin-screw extruder, suitable for processing PVC ... 2. Changing the moulds to produce many kinds of different PVC profiles.3. Auxiliary machine: Mixing unit, Mould, Vacuum calibration ...