It is a kind of equipment used for mechanical agitation and fermentation of materials. The device adopts the mode of internal recycling, dispersing foam by mixing blade and breaking them into pieces. And an aseptic respiration system or an aseptic internal-pressure ferment system is specially designed and installed inside the tank. In addition, the tank body is covered with a jacket so that the heating or the cooling circulation of media can be done via jacket. Made if SUS304 material. It applied in material ferment of food, beverage, brewing and pharmaceutical industries. Has agitation type and non agitation type.