... seed, palm, walnuts andall the oil content crops.The oil left in cake from oil extraction machine is less than 6% . And ... can be adjusted once the machine stop running. * Oil press production line inckudes two parts : oil seeds pretreatment part and press ... following features:(1).Simple,convenient,energy saving,competitive price. (2).This oil press machine is composed of feeder, gearbox, pressing cage, ...