... 40%-50% Big yield efficiency Cold and Hot Press Oil Machine/oil extractor Feature:1.Peanut Oil ... Machinery2.press peanut, sesame, olive, soybean, walnut,etc3. ... oil press switch separate3.apply to press press peanut, sesame, olive, soybean, walnut,etc oil for cold or hot pressing ... 40%-50% Big yield efficiency Cold and Hot Press Oil Machine/oil extractor