Industrial salt is widely used in industry, is one of the most basic raw materials of the chemical industry, known as the "mother of the chemical industry". Hydrochloric acid, caustic soda, soda ash, ammonium chloride and chlorine in the main products of basic chemical industry are mainly produced from industrial salts. A large amount of sodium chloride is needed in the organic synthesis industry. In addition, it is also used in soap manufacturing, ceramics, glass production, daily chemical industry, petroleum drilling, drilling fluid, completion fluid, Petrochemical dehydration fluid, early strength agent for construction industry, coagulant for coating production, latex coagulant for rubber industry, additives for paper industry, deinking of waste paper, inorganic chemical raw materials for chemical industry. And sulfate radical removal agent, sodium alginate coagulant, control wheat, apple, cabbage and other decay and food preservatives, preparation of sodium metal and other sodium compounds, steel heat treatment medium. It also has a wide range of uses in water treatment, road snow removal, refrigeration and refrigeration.