... , sunflower, olive, coconut, palm. High Quality Screw Oil Press Introduction:When oil presses operating prepared material ... back the screw for 1-2circle. If there is still no cake is observed,machine needs ... checked. However, in any case, operating the machine backward is absolutely prohibited normally, cake looks ... the thickness 0.4-0.5mm.When machine is operating, oil extruding and residue outlet ...