·The oil yield rate of soybeans is about 18%.

·The oil yield rate of palm fruit is about 20%.

·The oil yield rate of cottonseed is about 22%.

·The oil yield rate of Camellia oleifera seeds is about 25%.

·The oil yield of rapeseed is about 40%.

·The oil yield rate of sunflower seeds is about 42%.

·The oil yield rate of peanuts is about 45%.

·The oil yield rate of sesame seeds is about 55%

The oil yield rate of leeks is about 125%.

The point is that it can be squeezed repeatedly