oil extraction machine -Sunflower seed, soybean, walnut, peanut, rapeseed -220v, 1.5KW - One person needed Oil press/ oil expeller Features:1.small land ... process from raw materials (after sorting and shelling) to completed oil. it is suitable for more than 20kinds crops, ... screw's rotating, causing every particle inside the chamber to possess different speed. 6. Therefore, relative movement among ...