This equipment is mainly used in the hydrolysis, neutralization, crystallization, distillation, evaporation, storage and the like manufacture segments of medicine, chemical industry, food and light industry. It is manufactured probably by stainless steel of SUS304, SUS321, SUS316L and so on. There are such styles of the agitator as the anchor style, circle style, quant style and turbine style. The rotating machine can adopt cycloidal-pin gear speed reducer or stepless reducer. And the sealing device is of mechanical seal. Heating or cooling can be of insert-set , semicanal or