The products are carbon filler-filled high-temperature resistant polyimide with excellent resistance to thermal and oxygen aging performance, high strength, low coefficient of friction, low coefficient of expansion at high temperatures, self-lubricating and other characteristics. The long-term temperature can up to 400 ℃ and the short-term temperature can up to 500 ℃. Its mainly used in the preparation of various types of bearings, cages, sealing rings, bushings and other high-temperature parts, it is a new generation of aviation engines indispensable parts.