1, enterprise qualification, must have an independent legal person qualification, have a valid business license, and have the qualification of building decoration engineering professional contracting level 3 or above.

2. The qualification of the project leader, with the qualification of registered construction engineer at or above the second level, and no project under construction. The project leader and safety officer must be fully equipped and hold relevant certificates. The project leader must hold a Grade B safety assessment certificate, and the full-time safety officer must hold a Grade C safety assessment certificate.