Main raw products  φ7.5-φ8 copper pipe,aluminum pipe, φ0.5-φ7.5 aluminum pipe  Structure form  Made by copper pipe or aluminum pipe and aluminum plate together through rivet joint.  Heat exchange way and its properties  Refrigerating medium---pipe of evaporator---aluminum plate. It can be designed in accordance with the structure of different factories and can meet the requirements of -18℃ for freeze  Surface treatment  Powder spraying. Anodic oxidation  Inner quality  No leakage. It can meet the requirements of inner cleanliness of CFC refrigerating medium and non-CFC refrigerating.  Others  Main used as froze type.Size and specification have no limit.