General contracting for construction engineering
Water conservancy and hydropower project construction general contracting level
Municipal public works construction general contracting level
Grade qualification
Foundation engineering professional contracting
Steel Structure Engineering Professional Contracting
Urban and road lighting engineering contracting
Water conservancy and water motor electric installation engineering professional contracting
River and lake remediation engineering professional contracting
Environmental Engineering Professional Contracting
Special engineering professional contracting regardless of grade, construction labor and construction services are not graded
Management system certification
Quality Management System Certification
Occupational Health and Safety Management System Certification
Environmental Management System Certification
General Contracting Qualification
Level 1 qualification
Professional contractor for building decoration and decoration engineering
Building curtain wall engineering professional contracting
Secondary qualification
Fire protection engineering engineering contracting
Waterproof and anti-corrosion insulation engineering professional contracting
Construction machinery and electrical installation engineering professional contracting
Design qualification
Building curtain wall engineering design special grade B
Building decoration engineering design special grade B
Lighting engineering design special grade B
Fire facilities engineering design special grade B
Professional Contracting Qualification