1. General Contracting Grade II to Grade I Qualification for Municipal Engineering Construction

2. General Contracting Grade II to Grade I Qualification for Construction Engineering Projects

3. Grade II qualification for electronic and intelligent engineering specialty contracting

4. Class Two General Contracting Qualification for Electric Power Engineering Construction

5. Class Two Fire Protection Facilities Professional Contracting Qualification

6. General Contracting for Municipal Public Works Construction - Grade II

7. Waterproofing, Corrosion Prevention, and Insulation Professional Contracting Qualification Level Two

8. General Contracting Qualification for Construction of Building Engineering Projects - Level II

9. China Cleaning Industry Standardization Association Qualification Certificate for Personnel

10. Class 2 Professional Qualification for Foundation Engineering General Contracting

11. China Tendering and Bidding Website Credit Certificate Inquiry

12. Class Two Professional Qualification for Building Facade Engineering General Contracting

13. Class II General Contracting Qualification for Water Conservancy and Hydropower Engineering Construction

14. Construction labor, regardless of grades

15. Class 2 Professional Qualification for Building Decoration and Decoration Engineering General Contracting

16. Class II Professional Qualification for General Contracting of Hoisting Equipment Installation Engineering

17. Furniture CQTA Quality Verification Certificate

18. General Contracting Qualification Level Two for Telecommunication Engineering Construction

19. Class II General Contracting Qualification for Highway Engineering Construction

20. Class 2 General Contracting Qualification for Electromechanical Engineering Construction