The U-shaped pot body of this machine is made of stainless steel 304, which is easy to clean and meets food hygiene requirements. The jacket adopts electromagnetic, heat-conducting oil, gas, steam and other heating methods. The heating area is large and the thermal efficiency is high. It is suitable for the requirements of different materials for temperature and heating speed. The agitator with a scraper made of Telfon is in full contact with the pot during the tumbling and mixing of the material.