1.

. Key points for identification in Figure 1: The two lines in the blue circle in the authentic picture are bonded together up and down, there is no intersection between the lines, and there is a convex point at the red arrow , even if the ink is thicker, the lines are glued together...

2.

Identification points in Figure 2: There are obvious convex spots at the 3 red arrows in the authentic picture, but there are no convex spots. The point can basically be judged as a false flying mark. These three bumps are not easy to spot with the naked eye. It is best to observe them with a magnifying glass.

3.

Identification points in Figure 3: The turning amplitude at the red arrow in the authentic picture is relatively large. If you turn If the amplitude is very small, it is very doubtful. Brother Jiu has used this feature to identify many high imitation Feitian marks...

4.

Figure 4 identification key points: The four words "registered trademark" are the identification of Feitian marks. For commonly used parts, you should focus on observing the characteristics of the red arrow when identifying...