... oil from various kinds of oil materials, soybean, sunflower seeds, peanut, sesame,coconut,rapeseeds, Cotton seed, hemp seed, palm, walnuts ... oil extraction machine is less than 6% . And cake thickness can be adjusted once the machine stop running. * Oil press ... stone , shells , iron steel nails and some other purities , it can avoid destroying the follow machines .Press technology supplied by us ...