1. Look at the laser anti-counterfeiting font on the bottom plate, different colors will appear at different angles.

2. Check the ink-jet font on the backplane. The real font is inkjet printed on the backplane.

3. Check the tail label on the bottom plate. Authentic tail label color is uniform, and the handle color is correct.

4. Look at the wood texture of the bottom plate. Authentic texture is straight and neat, uniform in texture and exquisite in board body.

5. Finally, if conditions permit, experts who have used dragon five can be invited to carry out inspection and evaluation, so that the authenticity of the bottom plate can be judged more accurately.

The above information is for reference only, and it is best to seek the help of professionals to identify the authenticity of the bottom plate.