Thank you for using the certificate inquiry system of this website. The relevant tips for this operation are as follows:

1. Please fill in the certificate number in turn, and leave the deficiency blank;

2. This system is only used to verify the validity of the certificate you inquired. As for the relevant details of the corresponding product of this number, you can only ask for it from this institution with the written consent of the holder;

3. If you have any questions, please call the hotline:400-1668-320。