1.continous prepress and final press 2.application:cottenseed,rapeseed,high oil contained plants 3.ISO9001-2000 authentication Description:ZY Series screw oil pre-press is large-sized equipment of continuous prepress and final press in our country and have obtained ISO9001-2000 authentication. It is suitable for pressing cottonseed, rapeseed, castor seed, sunflower-seed, groundnut-seed and other ...