Special Grade for Construction General Contracting of Building Engineering

Special Grade for Construction General Contracting of Municipal Engineering

Grade I for Construction General Contracting of Mechanical and Electrical Engineering

Grade I for Construction General Contracting of Highway Engineering

Grade II for Construction General Contracting of Water Conservancy and Hydropower Engineering

Grade III for Construction General Contracting of Railway Engineering

Grade III for Construction General Contracting of Petrochemical Engineering

Grade III for Construction General Contracting of Electric Power Engineering

Grade I for Steel Structure Engineering Special Contracting

Grade I for Foundation Engineering Special Contracting

Grade I for Fire Protection Facilities Engineering Special Contracting

Grade I for Building Decoration Engineering Special Contracting

Grade I for Building Mechanical and Electrical Installation Engineering Special Contracting

Grade I for Building Curtain Wall Engineering Special Contracting

Grade II for Ancient Architecture Engineering Special Contracting

Grade II for Bridge Engineering Special Contracting

Grade II for Tunnel Engineering Special Contracting

Grade II for Environmental Protection Engineering Special Contracting

Class A for Construction Industry (Construction Engineering)

Class A for Fire Protection Facilities Engineering Design Specialty

Class A for Municipal Industry

Class A for Engineering Surveying Professional (Geotechnical Engineering (Survey and Design) Specialty)

Class B for Engineering Surveying Professional (Geotechnical Engineering (Geophysical Testing, Testing, Inspection and Monitoring) Specialty)

Class B for Labor Services (Engineering Drilling)

Witness Sampling Testing

Main Structure Engineering On-site Inspection

Foundation Engineering Testing

Steel Structure Engineering Testing

Transportation Engineering Test and Inspection

Various labor subcontracting specialties

Grade II for Real Estate Development

Grade II for Property Management