plastic granule extrusion line 1 pelleting machine, ... feeding,such as single feeding, twin screw.hollow screw,forced-feeding,sidefeeding,liquid-adding system6.ScrewThe screw elements and kneading ... -cleaning,transmission, compounding,press-forming,etc. The screw is made of high tool steel 38CrMoALA or ... CIF price 300 kgs capacity twin-screw plastic granule extrusion line with factory email address