Dear customers:

In order to further optimize the service process and enhance your query experience, starting from the date of this notice release, our company will comprehensively upgrade and change the existing query system and query methods. This change aims to use more advanced technology to ensure that you can query your report and certificate information more quickly and conveniently.


A. Change Details

      1. Query Access Entrance: http://www.sztz - testing.com/certificate - query/

      2. Content Displayed in the Query: Basic information of reports/certificates (certificate holder, address, product, model, testing standard, etc.)

B. Precautions

      1. For the report certificates queried above, which are test reports and certificates published after April 8, 2025, the query of complete reports will no longer be provided.

      2. For reports and certificates issued before April 8, 2025 (not uploaded by default), if necessary, please inform us to upload them for query.

      3. In case of special circumstances, you can also send an email to sztz@sztz - testing.com, and we will reply within 2 working days.

C. Support Services

    If you encounter any problems during the use of the new - version query system, you can contact us at any time in the following ways:

    Customer Service Hotline: Jack.xing, 18123774589. The service hours are from 8:00 to 18:00, Monday to Friday.


We sincerely apologize for the short - term inconvenience that this change in the query method may bring to you. 

We believe that the new - version query system will bring you a brand - new experience with better performance and higher - quality service. 

Thank you for your continuous support and trust in our company!