... gram plastic injection machines, 15-300mm single screw extruders, 30-130mm tapered and parallel double screw extruders, rubber machinery, petroleum machinery, etc. Using quality ... temperature wire & cable sets, and customized Φ30-150 extruding equipments. MeanwhileSingle screw and barrel for Extruder(Material)-Machine screwAlloy-Steel of High-quality1)38CrMoALA(JIS SACM645 ...