... .. The profile processing introduction for extruding machinery will show how extruded products meet the needs of the market as well as ... in the production process. Materials that can be used for extrusion include PVC, HDPE, LDPE, PE, PP, ABS, PS, PC ... technology from abroad, our company developed the large plastic profile extrusion line, which is equipped with conical double-screw extruder. UPVC door ...