Screw type press are advanced oil processing machinery, characterized by their simple design, eaHN to use, wide suitability and continuous operation; and high productivity and high oil output rate. Moreover, they can be used for various raw materials, as ground nuts, bean, rice bran, rape and cotton seeds, sesame, olive, sunflower, coconuts and cocoa and grass seeds. However, they are suitable for medium-small sized oil extruding workshops or professional farmers. Certainly, they can be used for repressing in submerging oil workshops, too