Tube width: 102-248mm  Tube height: 4.98-29.78mm  Material thickness: 0.32-1.0mm  Patented products from Sinupower, combining the outer tubes and inner fins two-in one, replacing the traditional plate heat exchanger plate-fin-bar structure as well as the old plate layer stacking oil-cooler structures, increasing the assembly efficiency of the plate heat exchangers. Such tubes can also be used for small modular battery coolers.