The parts processed with PEEK material have excellent chemical resistance, fatigue resistance, and thermal stability, with a continuous working temperature of 250 ℃, and can still maintain excellent mechanical properties in steam or high-pressure water environments up to 300 ℃. The products processed with PEEK materials are widely used in many fields such as petrochemical, electronic and electrical, instrumentation, mechanical and automotive, medical and health, aerospace, military and nuclear energy, etc.