1. The inner tank is made of international standard food-grade high-quality 304 stainless steel material, polyurethane high-pressure foam insulation, outsourcing according to customer requirements, stainless steel polishing, matte, carbon steel, spraying and other forms. To 2. Adopting international beer standardized fermentation production technology, applying a variety of temperature control technologies, mirror polishing inside the tank, up to a polishing quality standard of ≤0.6um, fully meeting the automatic control requirements of the automatic cleaning and disinfection system. 3. The cooling jacket of the fermentation tank also meets the technical standards of various countries in the world, providing multiple jacket heat exchange methods such as Maitreya plate, arched channel, and corrugated channel to meet the heat exchange technology needs of different cooling media and pressures.