Cast aluminum electric heaters are heated by tubular electric heating elements, which are bent and shaped, then entered into molds for centrifugal casting into various shapes, including round, flat, right-angled, air-cooled, water-cooled, and other non-standard shapes. After precision processing, they can be tightly fitted to the heated object, with a surface finish that meets the required specifications.3-4.5w/cm², This product heats up quickly, distributes heat evenly, has excellent thermal conductivity, and boasts a long service life, making it one of the more rational heaters on the domestic and international markets.