Class A Design Qualification in the Building Industry (Architectural Engineering)

Class A General Contracting for Building Decoration and Renovation Projects

Class A Special Qualification for Architectural Curtain Wall Engineering Design

Class A Special Contracting for Architectural Curtain Wall Engineering

Class B Special Contracting for Urban and Road Lighting Engineering

Class C Special Contracting for Steel Structure Engineering

Class A Special Contracting for Building Mechanical and Electrical Installation Engineering

Class B General Contracting for Construction Engineering

Class B Special Contracting for Electronic and Intelligent Engineering

Class C Special Contracting for Environmental Protection Engineering

Class B Special Contracting for Fire Protection Facility Engineering

Class B Special Contracting for Waterproofing, Anti-Corrosion, and Thermal Insulation Engineering