Octadecanedioic acid is an important chemical raw material and belongs to a type of long-chain dicarboxylic acid. Long chain dicarboxylic acids have a wide range of applications, and can be used as raw materials to synthesize special nylon, high-end fragrances, high-end hot melt adhesives, cold resistant plasticizers, advanced lubricants, advanced rust inhibitors, advanced paints and coatings, etc.