soybean oil press D-1688 1.Material:stainless steel 2 ... In details, the machine can save 6 kws/h a day that is worth about 30 RMB.2. Labor Saving: 60 ... , sesame, vegetable seeds, soybean, sunflower, cottonseeds, flax, etc.4. Oil Purity control: the vaccum oil filter is used to remove the residues ... the screw bolt, the pressing begins.5. The crude oil is out of the squeezing bolt, flowing through the board ...