How to identify the authenticity of panda wires?

Identification of the authenticity of the panda wire There are still many families who choose the panda wire, but there are also many fakes on the market, so it is easy to short-circuit the wires with fake wires. At present, the latest price of genuine panda line is: 1.5 square 120 yuan/roll, 2.5 square 205 yuan/roll, 4 square 4. 1 yuan/meter 1. There are anti-counterfeiting labels with the words "Panda Line" on the whole roll of panda line, so use a lighter to heat these four lines. 2. Look at the surface of the wire carefully, there will be a string of faint English letters, which are raised fonts, not printed. (because the magazine is printed, it may not be clear. ) 3. Look at the security label, which says "Expose the surface and call. Enter the password and check the authenticity. " At this time, we only need to enter the password according to the prompt, and we can distinguish the authenticity immediately. Fake wires also have anti-counterfeiting marks, but they cannot be confirmed by phone.