Reaction vessels are widely used in industries such as petroleum, chemical, rubber, pesticides, dyes, pharmaceuticals, and food. In these industries, reaction vessels are used to complete processes such as sulfurization, nitration, hydrogenation, alkylation, polymerization, and condensation. For example, in the pharmaceutical industry, reaction vessels are used as critical steps in drug synthesis processes; In the chemical industry, it is used for the synthesis and purification of various chemicals.