Enterprise qualifications
Special grade qualification for general contracting for construction of building engineering
Special grade qualification for general contracting for construction of municipal public engineering
Class A qualification for the design of construction industry (construction engineering)
Class A qualification for the design of construction industry (civil air defense projects)
Class A qualification for municipal industry design
Grade 1 qualification for professional contracting for steel structure engineering
Grade 1 qualification for general contracting for construction of electromechanical engineering
Grade 1 qualification for professional contracting for ground foundation engineering
Grade 1 qualification for professional contracting for electronic and intelligent engineering
Grade 1 qualification for professional contracting for fire facilities engineering
Grade 1 qualification for professional contracting for building decoration engineering
Grade 1 qualification for professional contracting for construction electromechanical installation engineering
Grade 1 qualification for professional contracting for building curtain wall engineering
Registration certificate of confidential requirements for military-secret-related consulting services
Grade 1 qualification for design and construction of safety technology protection engineering
Grade 1 enterprise qualification for AV integration engineering
Grade 3 qualification for general contracting for construction of electrical engineering
Grade 3 qualification for general contracting for construction of petrochemical engineering
Grade 3 qualification for professional contracting of ancient constructional engineering
Grade 3 qualification for professional contracting of urban and road lighting engineering
Grade 3 qualification for professional contracting for environmental protection engineering
(Grade 4) Licenses for undertaking installation (repair, testing) of electric power facilities
