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
