Automobile Extruded Microchannel Serpentine Aluminum Cooling Tube are made by extruded aluminum mocri channel tube and shaped through folded,forming and welding . The aluminum serpentine tube are widely adopted for EV battery cooling of electromobile /electric vehicle/new energy automobile/vehicle/car. This cooling tube is suitable for cylindrical batteries such as 18650,21700 and 46800. Certainly, we also have aluminum water liquid cooling plate for prismatic batteries.