According to storage capacity, the storage tanks are classified into tanks of 100- 15000L. For storage tanks with storage capacity of more than 20000L, it is suggested to use outdoor storage tanks. The storage tank is made of SUS 316L or 304- -2B stainless steel and has good heat preservation performance. The accessories are as follows:inlet and outlet, manhole, thermometer, liquid level indicator, high andlow liquid level alarm, fly and insect prevention spiracle, aseptic sampling vent, meter, CIP cleaning spraying head.