... steel as main material .The structure adopts the square rods and pressing screw to compose the pressing chamber,which is ... ,cottonseed ,peanut, rapeseed, sunflower, teaseed ,copra ,Gendarmerie seed and palm kernel etc. Especially suitable for squeezing un-hulling peanuts ... .1-1999 "agricultural screw oil press technology conditions", and Implement the national regulations of Warranty Services policy of ...