A multi tubular heat exchanger is important device in many factories and company to transfer heat from one fluid to another one. This type have many tubes bundled up, one fluid flow inside the tubes while other fluid surround them outside. The heat pass from hot fluid in tubes to cooler one outside, this help alot in industrial process. Shanghai Changlong make this Tubular Sterilizer Series to save energy and make work better for industries. These exchangers very essential in power plant, chemical factory, food processing and so on. They keep temperature stable, so process run smooth and efficient usually.