... .high effective 3.simple operation 4.good quanlity Screw oil expeller Screw type press are advanced oil processing machinery, characterized by ... rate. Moreover, they can be used for various raw materials, as ground nuts, bean, rape and cotton seeds, sesame, olive, ... can extracting vegetable oil from different raw oil material. Such as ground nuts, bean, rape and cotton seeds, sesame, olive, sunflower ...