High-performance plastic parts such as high wear-resisting bushings, insulating rings, sealing rings made of PEEK material profiles can replace parts processed by traditional materials such as copper alloy, stainless steel, PTFE, ordinary engineering plastics, graphite, etc., and meet the requirements of petroleum In mining and petrochemical production equipment, the strict technical requirements for parts such as wear resistance, high temperature resistance, high speed, oil-free lubrication, acid and alkali corrosion, dimensional stability, high reliability, etc., can reduce equipment operating costs and help equipment Its continuous normal and orderly production under the highest production capacity has been recognized by manufacturers in the petrochemical industry.