Screw Oil Press,for pre-pressing, or pressing of oil seeds,large capacity, continuous operation, low power consumption. Screw Oil PressIdeal equipment in large & medium size oil mill, for pre-pressing, or pressing of oil seeds, such as cottonseed, rapeseed, sunflower seed, ground nut, etc., large capacity, continuous operation, low power consumption. Cake loose but not fragile, easy for solvent ...