PEEK, a kind of material located at the tip of the plastic pyramid, currently has a small number of enterprises mastering PEEK material polymerization process, less than 10 in the world, but the potential market is large. It is understood that the global sales volume reached 6035 tons in 2018. As a high-performance engineering plastic that can replace metal, peek's application market is expanding. Its application in electronic cigarette mainly focuses on heating peripheral accessories.