Certificate query

Dear customer:
Thank you for using the certificate inquiry system of this website. The tips related to this operation are as follows:
1. To facilitate your inquiry, the system can easily enter the database system by simply entering the certificate number
2. Please fill in the certificate number in sequence.
3. This system is not case sensitive.
4. This system is only used to confirm the validity of the certificate you inquired. As for the relevant details of the product corresponding to the number, you can only ask this institution for the written consent of the holder。

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