This The heat preserving tank can be used for temperature protection and storing the liquid materials in traditional medicine, food and chemical industry. It can absorb the steam or cooling water within clip sleeve to let the materials be at best temperature. The maxer can exemptthe materials from sediment. It adopts the mechanical seal to make sure no pollution, with high efficiency and convenient operattion. The tank inside sets automatic rotary spray-washing head to make sure thoroughly cleaning. It adopts SUS304 stainless steel to carry out the mirror face polish treatment in accordance with GMP standard