How to check the authenticity of the certificate of cost engineer? But the national cost management system can't find my certificate. Mine is not a provincial certificate, but a mechanical one.

The certificate query process is as follows:

1, enter China Personnel Examination Network ().

2. Click on the qualification certificate column on the right to enter the query verification page.

3. Click Certificate Query Verification-Holder Query.

4, and then according to the requirements of the national professional and technical personnel qualification certificate query verification system can query the certificate information.