... , sesame,coconut,rapeseeds, Cotton seed, hemp seed, palm, walnuts andall the oil content crops.The oil left in cake from oil extraction machine ... Flaking macine , Cooker ,oil press equipements. After getting the crude oil , using the clarifying tank to cleaning the oil residuals.* Advantages:Pre- ... hulling makes the hulling ratio up to 90% and oil content in hull is reduced to less than 1.5%;(3). ...