This high-temperature graphitization furnace is a new type of furnace redeveloped based on the original medium frequency high-temperature furnace and has been put on the market. It is specially used as a processing equipment for carbonization and graphitization of graphene/polyimide composite films to ensure accurate temperature control. , The equipment is stable, simple to operate, the power consumption per square meter is 15-25% lower than similar equipment on the market, and its strong insulation and anti-corrosion properties are well received by customers.