2, seasoning oil, seasoning oil is generally squeezed out with onions, ginger and peppers. This oil can add flavor to food more than soybean oil. Mostly used for baking vegetables or bean products.
3, animal oil, generally butter or sheep tail oil. This oil is mostly used in the ingredients of cattle and sheep. It is worth mentioning that some unscrupulous traders sell pork or other cheaper meat as beef and mutton, but it is generally not beef and mutton that is eaten with this oil.
4, red oil, generally the oil squeezed from pepper, but also bean paste, its purpose is to increase the color and spicy taste of food. There is a food additive called "Pepper Essential Oil", which has been widely used in "Crazy Roast Wings" in China in recent years.