Open the browser and search official website, China Architectural Education Association. After jumping out of the page, click on the first China Architectural Education Association and enter the website.

After entering the webpage, I saw that China Architectural Education Association was official website.

Drop-down page, you can see the certificate query on the right page.

After getting the certificate, the certificate will indicate the number of the safety officer's certificate, and then the certificate number can be used to query the safety officer's certificate number.