The company was officially founded in 1982. It is the investment and construction group with the longest professional development, the earliest market-based operation, the highest degree of integration, and the world's largest investment and construction group. It is also the only major state-owned enterprise directly managed by the central government in the construction field in China. China Construction Group mainly uses China Construction Co., Ltd., a listed company, as a platform to carry out operations and management activities. It has 7 listed companies and more than 100 second-level holding subsidiaries. The engineering contracting business is the company's main business. The business includes housing construction, infrastructure construction and investment, real estate development and investment, surveying and design, and overseas operations. Corporate honors: As the world's largest engineering contractor, China Construction ranked 21st in the “Fortune” “World Top 500” 2019 list; it ranked in the top 3 in the “Fortune” “China Top 500” ranking for seven consecutive years. China Construction obtained grade A in the annual assessment of the State Council's State-owned Assets Administration Commission 14 times. The three major international rating agencies S&P, Moody's, and Fitch rated China Construction as A/A2/A. The outlook is to maintain “stability” and maintain the highest credit rating in the world in the industry.