The chemical industry is a general term for enterprises and units engaged in the production and development of the chemical industry, covering three categories of petrochemical industry, basic chemical industry and chemical fiber. Among them, basic chemical industry is divided into nine subcategories, including fertilizers, organic products, inorganic products and chlor-alkali. This industry has penetrated into all fields and is an indispensable and important part of the national economy. Its development is of great significance to the development of human economy and society. 

 The chemical industry is an important basic, strategic and pillar industry in China. It provides important supporting materials for textiles, construction, automobiles and other fields of the national economy, and also provides important guarantees for high-end manufacturing industries such as electronic information and rail transit, as well as strategic emerging industries such as new energy and new generation information technology.