Two Kinds of Cooking Oil Production Process Cooking oil has two kinds of production process: Squeezing method and leaching method. Oilseed Squeezing method is the traditional edible oil production method. Because it don`t add any chemical substance, the various components of the pressed oil keep intact relatively. But the disadvantage is that the oil rate is low. Compared with the press method, for the oil leaching method, the residual oil is less and the oil yield is higher; The processing cost is low and the production conditions are good; Oil resources have been fully utilized. Usually, use which method usually depends on the oilseeds and the usage of cake.If you want to learn more about that, pls contact us, we shall try our best to help you. Dingzhou Yongsheng Grain and Oil Machinery Co.,Ltd can supply all kinds of oil pressing machine and oil leaching machine. Web: www.chinaoilmachine.com www.oilpresschina.com www.oilmillchina.com Email: admin(at) oilmillchina(dot) com Phone/WhatsApp: 0086-15076337883 Some pictures of Oil Pressing Machine and Oil Leaching Machine: