... 20 kinds of oil crops can be pressed by this machine, such as, peanuts, sesame, vegetable seeds, soybean, sunflower, cottonseeds, ... . Vacuum filterOperatinal Process:1. Prepare raw materials.2. Adjust the machine, for example, checking electricity, beginning heating (if it is cold ... oil is out of the squeezing bolt, flowing through the board into the vacuum filter for filtration6. The oil flow out ...