Construction mechanical and electrical installation engineering professional contracting
First-class qualification
It can undertake the installation of equipment, lines and pipelines of various construction projects, the transformer and distribution power station project below 35 kV, and the production and installation of non-standard steel structural parts.
Secondary qualification
It can undertake the installation of equipment, lines and pipelines of various construction projects with a single contract amount of less than 20 million yuan, the transformer and distribution power station project of less than 10 kV, and the production and installation of non-standard steel structural parts.
Tertiary qualification
It can undertake the installation of equipment, lines and pipelines of various construction projects with a single contract amount of less than 10 million yuan, and the production and installation of non-standard steel structural parts.

Construction and decoration engineering professional contracting
First-class qualification
It can undertake all kinds of building decoration and decoration projects, as well as the construction of other projects directly supporting the decoration project.
Secondary qualification
Can undertake a single contract amount of less than 20 million yuan of building decoration projects, as well as the construction of other projects directly supporting the renovation project.
Note:
1. Other projects directly supporting the renovation project refer to the transformation of water, heating, electricity and non-load-bearing walls without changing the main structure.
2. Professional titles of architectural art design include architecture, environmental art, interior design, decoration design, stage design, industrial design, sculpture and other professional titles.

Electronic and intelligent engineering professional contracting
First-class qualification
Can undertake various types of electronic engineering, building intelligent engineering construction.
Secondary qualification
It can undertake the installation of electronic manufacturing equipment and electronic industrial environment engineering with a single contract amount of less than 25 million yuan, and the construction of electronic system engineering and intelligent building engineering with a single contract amount of less than 15 million yuan.
Note:
1. Installation engineering of electronic manufacturing equipment refers to the installation engineering of electronic complete machine products, electronic basic products, electronic materials and other electronic product manufacturing equipment.
2. Electronic industry environmental engineering refers to the clean, anti-vibration, microwave anechoic room, electromagnetic compatibility, anti-static, pure water system, waste gas treatment system, bulk gas purification system, special gas system, chemical distribution system and other engineering required for the manufacture of electronic complete machine products, electronic basic products, electronic materials and other electronic products.
3. Electronic systems engineering refers to radar, navigation and antenna systems engineering; Computer network engineering; Information integrated service network project; Monitoring system engineering; Automatic control system; Security technology defense system; Intelligent system engineering; Emergency command system; Radio frequency identification application system; Smart card system; Toll collection system; Electronic audio-visual engineering; Data center, electronic room engineering; Other electronic systems engineering.
4. Intelligent building engineering refers to intelligent integrated system and information application system; Construction equipment management system; Security technology defense system; Smart card application system; Communication system; Satellite reception and cable television systems; Parking management system; Integrated wiring system; Computer network system; Broadcasting system; Conference system; Information guidance and release system; Intelligent community management system; Video conferencing system; Large screen display system; Intelligent lighting, sound control and stage facilities system; Fire alarm system; Computer room engineering and other related systems.

5. Professional titles related to electronic and intelligent engineering include computer, electronics, communication, automation, electrical and other professional titles.


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