Edible oil is divided into grade one, grade two, grade three and grade four according to the quality from high to low, which are equivalent to original salad oil, high-grade edible oil, grade one oil and grade two oil respectively. In other words, consumers can know the quality of edible oil only by looking at the grade of product calibration.

Introduction of edible oil:

Edible oil, also known as "edible oil", refers to animals or vegetable oils used in the process of making food. It is liquid at room temperature. Due to the source of raw materials, processing technology, quality and other reasons, common edible oils are mostly vegetable oils, including rapeseed oil, peanut oil, sesame oil, corn oil, olive oil, camellia oil, palm oil, sunflower oil, soybean oil, sesame oil, linseed oil (linseed oil), grape seed oil, walnut oil and peony seed oil.