... of oil crops can be pressed by this machine, such as, peanuts, sesame, vegetable seeds, soybean, sunflower, cottonseeds, flax, etc.4. ... Vacuum filterOperatinal Process:1. Prepare raw materials.2. Adjust the machine, for example, checking electricity, beginning heating (if it is ... heating is not needed.)3. Open the machine, put seeds into the flow box.4. Seeds flow into the screw bolt, the pressing ...