... & long time running 3,strong adaptability bean oil press Machine (6YL-HS): 6YL series oil press machine is one kind of mini-type ... and high efficiency of oil production, etc. These Oil Press Machine , after more than ten years' investment and modification, are concise ... extrusion of pressing worm and pressing ring. This oil press machine is composed of feeder, gearbox, pressing cage, screw shaft and ...