we are the hydraulic oil press machine manufacturer in chinaIn the oil pressing field , the screw oil pressing machine is the mainly machine for most oilseeds and be installed in most production line , but now you have the new choice for update your production technology with our hydraulic oil pressing machine.Picture1Picture2Picture3Picture4As you can see from the picture above:Picture 1 the hydraulic oil press machine and picture 2 is the hydraulic cylinder which material is 27SiMn.If you have the demands for high quality for the oil please choose this this type to r···