... box WPC Low-Foamed Board Extrusion Machine Wood-plastic extrusion line using specially designed screw barrel,mold and extruding machine production of ... ,space-saving,high output,extrusion stability,and plasticizing effect is good.Optimized design smaller screw to shear force,thus ... wood fiber material can stay in the machine evenly.Screw barrel are taking pairs of metal processing,wear corrosion, ...