R&D technology profile
From 2016 to 2020, the company was granted more than 6,000 patents, won three national technical invention awards, released five ISO international standards, and led or participated in the compilation and publication of hundreds of national, industry and enterprise standards. CCCG has taken the lead in undertaking two national special projects and national projects such as "High altitude alpine region highway construction technology". The construction technology of super-large bridges, long tunnels, highways in permafrost areas, and offshore deep-water ports continues to maintain an international leading position, and the whole semi-rigid immersed tube structure system of deep buried immersed tube tunnel has reached the international advanced level. The breakthrough in core technology of large self-propelled suction dredger has made China's dredger design and construction technology among the forefront in the world.