... 20 kinds of oil crops can be pressed by this machine, such as, peanuts, sesame, vegetable seeds, soybean, sunflower, cottonseeds ... .The Main Parts of the Machine: Summarization: 1. Screw oil press. 2. Electrical control box for pre-heating chamber. 3. Vacuum ... Vacuum filterOperatinal Process:1. Prepare raw materials.2. Adjust the machine, for example, checking electricity, beginning heating (if it is ...