automatic oil pressing machine: system:hydraulic,screw easy operation and maintanance material:stainless steel Automatic hydraulic oil pressing machine:high pressure, large capacity, used for both hot and cold pressed. To a variety of high-grade oil crops, such as cocoa beans, walnut, almond, pine nuts, sesame, olives, mountain tea seed, etc. it can also used for dehydration, De-oiling, off ...