Road and Bridge Design Institute (mainly engaged in the survey and design of high-grade highways, bridges and tunnels)
Traffic Strategic Planning Institute (mainly engaged in industry and regional traffic strategic planning and policy consultation, pre-project consultation)
Intelligent Transportation Institute (mainly engaged in the design and construction of expressway toll collection, monitoring and communication systems, and the research and development of supporting products of traffic electromechanical systems such as digital hard disk video recording system).
Environmental protection research institute (mainly engaged in environmental impact assessment of planning and construction projects, preparation of soil and water conservation schemes, environmental protection acceptance after completion, environmental protection design, consultation and research)
Road Engineering Research Institute (Guangxi Key Laboratory, mainly engaged in scientific research, consultation, test and detection of road engineering, water transport engineering, geotechnical engineering and construction engineering)
Bridge and Tunnel Inspection Institute (Guangxi Old Bridge Reinforcement Technology Center, mainly engaged in the inspection, evaluation and research of maintenance projects under construction and later period in highway, waterway and construction industries).
Ecological Research Institute (mainly engaged in traffic ecological environment and landscape engineering, land use and reclamation, geotechnical engineering investigation and geological disaster prevention engineering, road and bridge maintenance engineering consulting, design and construction)
Engineering supervision department (mainly engaged in the construction supervision of high-grade highways, independent bridges and highway electromechanical engineering)
Jiaoan engineering department (mainly engaged in high-grade highway construction and municipal engineering Jiaoan engineering)
Nanning Jiesai Digital Technology Co., Ltd. (mainly engaged in electronic product research and development and high-tech application)
Etc. 16 department.