How to check the authenticity of Haiyun Power Supply:

1. Look at the details page of the trademark office.

2. If the anti-counterfeiting label of the genuine power supply is scratched off the coating, you can check the authenticity by making a phone call.

3. Look at the appearance quality.

4. It is a genuine power supply, and the background color of the anti-counterfeiting code must be the same as the paper.