1.The inner of the fermentation tank is made of stainless steel 304, with polyurethane to keep warm. The shell can be processed as mirror polishing, carbon steel, spray finishing and so on. 2.Adopted international standard fermentation technology, diverse methods of temperature control are various. The inner surface of the tank is mirror-polished, which completely meets the demanding of PLC and sterilizing system. 3.The cooling jacket can be divided into dimple plate, arch, corrugated plate and so on, which can satisfy all countries requirements.