The thick and thin mixing tanks adopt a double-layer insulation structure, and the mixing structure is divided into upper mechanical mixing and lower magnetic mixing. The entire tank is designed and manufactured in accordance with pressure vessel standards. The heating layer of the tank and the disinfection and sterilization conditions inside the tank can withstand factory steam and pure steam pressure of 0.3MPa. The interfaces of the tank body are in accordance with BPE standards and can meet the best cleaning verification requirements; The measurement of drug solution adopts electronic weighing or liquid level measurement methods; Equipped with relief devices (rupture discs) for pure steam sterilization and overpressure protection, electric heated respirators, cleaning spray balls, diaphragm pressure gauges, temperature sensors, tank bottom valves, and other components.