In view of the importance of mechanical and electrical installation engineering, the state has included it in the building qualification standard, requiring enterprises to have mechanical and electrical installation qualification.

Materials required for handling Grade III qualification of mechanical and electrical equipment:

1. Personnel materials

For the personnel with the third-level qualification requirements for mechanical and electrical installation, prepare relevant certification materials, including personnel identity certificate, professional title qualification certificate, social security payment certificate, etc.

2. Basic materials

Business license, articles of association, legal person information and other basic materials.

3. Asset materials

Mainly the financial audit report of the previous year;

Enterprises need to meet the corresponding personnel standards before they can apply for the third-level mechanical and electrical qualification. Generally speaking, the main personnel of an enterprise, including electromechanical builders and responsible technicians, should meet the following conditions:

For construction engineers, the total number of registered construction engineers in electromechanical engineering and construction engineering is not less than 5; The technical person in charge of the enterprise has more than 5 years' experience in technical management of engineering construction, and has the intermediate title of mechanical and electrical engineering or the qualification of registered builder of mechanical and electrical engineering before applying for the third-level qualification of mechanical and electrical engineering; There are no less than 10 people with intermediate or above titles in mechanical and electrical engineering related majors, and the majors are complete; There shall be no less than 15 construction site management personnel with post certificates, and the builder, quality engineer, safety officer, mechanic, material engineer and documenter shall be complete before they can apply for the third-level mechanical and electrical qualification; There are not less than 30 skilled workers at or above the intermediate level who have passed the examination or training; Mechanical and electrical three-level qualification requirements, technical person in charge (or registered construction engineer) presided over the completion of this category of qualification standards above the project performance of not less than 2.