... 20 kinds of oil crops can be pressed by this machine, such as, peanuts, sesame, vegetable seeds, soybean, sunflower, cottonseeds, ... also can be used for animal feed.The Main Parts of the Machine: Summarization: 1. Screw oil press. 2. Electrical control ... Vacuum filterOperatinal Process:1. Prepare raw materials.2. Adjust the machine, for example, checking electricity, beginning heating (if it is cold ...