How to test the authenticity of Haier refrigerator perpetual calendar

Haier refrigerator query authenticity method is as follows:

1 and every Haier refrigerator produced after 2004 has a bar code related to this refrigerator on the back. Generally, there are five barcodes, the top one is not easy to tear off, and the other four are easy to tear off.

2. Remove the lampshade in the refrigerator and check whether there is Haier logo in the lampshade; Or open the refrigerator door wide and check whether there is a bar code on the lower side of the door body, and whether the model on the bar code is consistent with the refrigerator; Use a screwdriver to remove the back control box cover of the refrigerator, and check whether there is Haier logo on the computer board on the refrigerator;

If you buy a machine from a shopping mall, the above two points are generally enough to prove whether it is a Haier refrigerator. If you buy a second-hand refrigerator, besides the above two points,