Traditionally, round tubes were used in plate fin heat exchangers.
However, we were the first in the world to use flat tubes. These are all-aluminum heat exchangers in which “tabular fins with superior drainage” are mechanically fastened via tube expansion to “light-weight and high-efficiency flat, multi-hole tubes”.
We achieved high-performance while maintaining the superiority of plate fin heat exchangers.
It is used for car air conditioner for rear seats, central air conditioner and so on.