Vaseline is a refined petroleum grease made by mixing residual wax with lubricating oil. It is an important lubricant for medicine, daily chemical industry, fine chemical raw materials and precision instruments. China's Vaseline products are common Vaseline, industrial Vaseline and pharmaceutical Vaseline. Common Vaseline is suitable for preparing various ointments and softening agent for dark rubber products; Industrial Vaseline can be used for rust prevention of metal Chemicalbook products and general mechanical parts, lubrication of light load machinery, as leather soaking agent, rubber softener. China's Vaseline products are mainly concentrated in the pharmaceutical Vaseline, divided into pharmaceutical white vaseline and pharmaceutical yellow vaseline two. Vaseline is mainly used for preparing ointments, skin protective ointments and cosmetics raw materials. It can also be used as antirust and lubricating materials for medical instruments and precision instruments.