A screw oil press machine is a screw-driven oil-making machine that is used to extract oil from seeds and kernels for edible or biofuel purposes. Our XS-420 oil press machines can process a great many plant seeds such as peanut, soybean, sunflower seeds, sesame seed, cottonseed, rapeseeds, corn germ, coconut, palm kernels, jatropha seeds, hemp seeds, etc.