According to the current industry standards, white oil is mainly divided into crude white oil, light white oil, industrial white oil, cosmetic grade white oil, medical grade white oil and food grade white oil. Light white oil: Light white oil obtained from petroleum distillate and synthetic oil distillate by hydrorefining and precision fractionation, suitable for special equipment calibration, metal processing, daily chemicals and other industries. Crude white oil: crude white oil produced by the refining process of mineral oil, suitable for the raw material for the production of finished white oil. Industrial white oil: industrial white oil made from petroleum lubricating oil fractions by dewaxing, chemical refining or hydrogenation, suitable for chemical fiber, aluminum processing, insecticidal spray, rubber plasticizing oil; Also suitable for textile machinery Chemicalbook, precision instrument lubrication oil and compressor sealing oil. Cosmetic grade white oil: cosmetic white oil made from petroleum lubricating oil distillate by dewaxing, chemical refining or hydrogenation, suitable for cosmetics industry as raw materials, the production of hair cream, hair oil, lip oil, skin care grease, etc. Food grade white oil: food grade white oil made from petroleum lubricating oil fractions by dewaxing, chemical refining or hydrogenation, suitable for the lubrication of food industry processing equipment, can be used as a release agent for food processing. Medical grade white oil: medical white oil prepared from petroleum lubricating oil fractions by dewaxing, chemical refining or hydrogenation, suitable for the pharmaceutical industry, can be used as an internal agent for the production of laxative and as a defoamer for the production of penicillin.