What is the use of the second-class builder's certificate?

Erjian is a prerequisite for being a project manager.

After registration, the second-level constructor can be employed as the construction project manager in the name of the constructor. To become a project manager, you must have a builder's license, but having a builder's license is not necessarily a project manager, it depends on the actual situation.

Erjian (second-class constructor) is a qualification certificate of architecture. The examination subjects include construction engineering regulations and related knowledge issued by the relevant departments of the state or province, construction engineering management and professional engineering management and practice.