The company's main business: the main business covers the whole process of engineering projects and urban construction operation management, and has formed a number of business sectors such as engineering consulting services, testing and technical services, environmental protection and low-carbon technical services, special projects and product sales. The company is one of the earliest enterprises in China to carry out engineering supervision service and whole-process engineering consulting service, in which the output value of engineering supervision ranks first in the country for many years; The company has undertaken a number of major construction projects such as the National Convention and Exhibition Center, Pudong International Airport and Universal Studios Beijing, and has rich project experience. The company has rich human resources and a national scientific research service platform, which has laid a good foundation for sustainable development.