Is the Haier refrigerator a copper tube or an aluminum tube?
The evaporator aluminum tubes used to corrosion perforation, pipe junction and easy desoldering, perforated is not easy to repair.
The iron pipe evaporator is better than the aluminum tube, perforated, easy to fill!
Stop use, at the junction of aluminum paste and easier to justify, often place the refrigerator for a winter, it is for this reason that the refrigerant leakage!
