Wire tube and tube tube evaporator which is good
May be aluminum. Meiling refrigerator "five energy-saving magic weapon" is one: wire tube evaporator (online can be found)
Wire tube type (also known as Bondi tube, is the surface of the copper pipe) evaporator, and old-fashioned refrigerator plug-in condenser structure type, better heat transfer effect. The best heat transfer effect is copper
The freezer does not leak cold, then the drawer will not freeze to death, and what is nothing with the evaporator. It depends on the structure of the product design, which is the gap between the brand and non-brand.
I was a designer to tell you, our refrigerator to reduce costs, then the first consideration of the wire tube evaporator into a tube evaporator. In the experiment embossed or sprayed aluminum evaporator often deformed, drawer does not
