... , soybean, peanut, sesame, tea seed, sunflower, olive, coconut, palm. High Quality Screw Oil Press Introduction:When oil presses operating prepared material ... extrude outward,return back the screw for 1-2circle. If there is still no cake is observed,machine needs to ... down and checked. However, in any case, operating the machine backward is absolutely prohibited normally, cake looks like tile but ...