The E-Cert of Erjian can be inquired through the local personnel examination network or China personnel examination network. The second-level constructor belongs to the registration certificate, and both the electronic certificate and the paper certificate of the second construction can be used for registration, which have the same legal effect.

The inquiry steps of electronic certificate of secondary constructor are as follows:

1, log in to "China Personnel Examination Network" or "Local Personnel Examination Network";

2. Select the column of "Qualification Certificate";

3. Click the "Certificate Query Verification" option;

4. Continue to click the option of "Inquire about the holder";

5. Enter the user name, password and verification code of the inquirer and log in;

6. Read and agree to the service description;

7. Enter the Certification staff query page and click View.

National two construction division is a professional qualification of architecture and a necessary condition for being a project manager. After obtaining the qualification certificate of construction engineer and registration, and obtaining the second-class construction engineer registration certificate, you can hire a registered construction engineer to practice. There are three subjects in the second-level constructor exam. Second-level construction engineers study construction management, construction laws and regulations and related knowledge, construction practice and other courses.

Passed the national unified examination, obtained the Construction Engineer's Qualification Certificate jointly printed by the Ministry of Personnel and the Ministry of Construction, and obtained the People's Republic of China (PRC) (PRC) Construction Engineer's Registration Certificate after registration.