You ask which oil is the most expensive and the cheapest, soybean oil, salad oil, blended oil, cottonseed oil and rapeseed oil? Salad oil is expensive and soybean oil is cheap.

Salad oil is made of crude oil such as soybean oil, sunflower oil, rapeseed oil and rice bran oil, and the cost is relatively high.

Soybean oil is crude oil with soybean as raw material. After preliminary squeezing and filtering, the cost is relatively low.