1.Made of high quality internal thread copper tube (or copper tube without thread) and water-friendly aluminum foil, appearance eye-pleasing 2.Excellent internal brightness, satisfying the requirements of many kinds of refrigeration media such as R134a, R600a, etc. 3.Excellent heat exchange efficiency, extensively used with vertical and cabinet-type air conditioners of various kindsKelong Groupare largest manufacturer engage in production of Evaporator and condenser in the world , can provide high quality and competitive price of products , can produce goods as your design ,looking forward to cooperation with you .