The equipment can be used to store liquid materials of traditional Chinese medicine, food and chemical engineering industries, which has high efficiency and convenient operation. An automatic rotary sprinkler head is equipped in the tank to ensure thorough cleaning. All materials adopt stainless steel SUS304 or SUS316L. Internal surface is polished to Ra≤ 0.4μm and external surface has got surface polishing treatment, which is in accordance with GMP standard.