... :The machine is multi-function. It can process more than 20 kinds of oil crops, ... etc. Before prepressing, you have to pretreat oilseed by cleaning, screening separation, washing, hulling, softening, flaking, ... 17501950×1350×16504. Details of pre-treatment plant including 5 parts:1. Clean oilseeds Fist ... sent to the solvent extraction plant, by the process of solvent extraction plant, we can get the oil ...