Manufacture & Refurbish Barrels & Screws - Hitech Plastic Extrusion Machines & Equipment - PVC Pipe and PVC Profile Extrusion Lines, Colouring and Pelletizing Line, Reclaim Pelletizing Line, Single Screw Extruder, Conical, Screw Barrel for Injection. Barrels and Screws. PVC Pipe Extrusion Machine. PVC Profile Extrusion Machine. Dean Toi. To Listing