Check the file. You can find me. Now I'll teach you how to check the security certificate, just use the mobile browser.

Demo mobile phone: K40

Baidu Version: 8.0.38

1. Open Baidu and fill in the qualification work official website in the search bar.

2. After entering, click on the certificate query, and then click on the national online query system for professional qualification certificates of skilled personnel.

3. In your practice certificate box, fill in the information.

Then fill in personal information.

4. Click Query.

Tips: Now it's national networking. No matter where you come from, you can find it. Of course, if it doesn't show, it means that this proof is not true.