... , also is the fist step of making edible oil. By using Wind-driven separator, dust removing system, magnetic separation, gravity separator ... .2. Shelling, debarking,delint,soften Second step of pretreatment, by using shucking machine to remove shell of oil seeds, because shell ... .4. Cooking oil seeds Forth step of pretreatment, by using cooker make green billet to be cooked billet. Make the oil fused ...