How to check the authenticity of C certificate of building safety officer on the Internet?

Building safety officer C certificate generally has the following query methods:

1, build a housekeeper

In the inspector section of the housekeeper under construction, select three types of safety certificates, and enter the names, work units, certificate numbers and other information of relevant personnel, so as to query the detailed information of the safety officer certificate.

2, the provinces and cities of the construction market supervision public service platform.

For example, to build a supervision public service platform in Yunnan Province, you can query by entering your ID number or ID number after logging in.

3, skilled personnel evaluation network

Enter the corresponding name, ID number and ID number to query.