This kind of exchanger is the main part to meet the quality of the industry requiring the high sanitation and hygient, such as the medicine and food industry. It exists to used killing the fungus and virus, heating of freezing normally for the liquid packing foods that requires the anti-staling period,it is very important to use the exchanger for heating .Because of the diversity and the complexity of the components and the viscidity of thematerial,it chooses the heat exchanger very strictly. Our company can design and produce the exchangers according to the customer's requirement, and satisfy the requirement with the high heat exchange effects and the soft & special process.