Automatic hot and cold oil press machine 1.screw press 2.cold and hot press 3.Capacity:30-800kg/h 4.with two oil ... two oil filterour 6YL-A series oil press machine has multiple functions, including to screw oil press ,electrical element for heating chamber , ... the press chamber, press screw and press ring will be pre-heated. During pressing, the press can filte the oil in due time. Only one machine ...