China Construction Bureau is the most powerful.

China Construction No.1 Bureau is the best.

China Construction First Bureau Group is located in Fengtai District, Beijing, and is affiliated to China State Construction Engineering Corporation. Its predecessor was Changchun No.1 Automobile Factory, one of the key projects of the First Five-Year Plan 156, which was built in the autumn of 1953 (then code-named "Changchun FAW"), and the predecessor of China Construction No.1 Bureau-652 Engineering Company was established.

It has successively won the honors of building an advanced socialist collective, an excellent construction enterprise in China, an advanced collective in applying new technologies in the construction industry in China, an advanced unit in safety production in Beijing, and an advanced unit in publicizing the mandatory provisions of Beijing's engineering construction standards. In September 2020, it was recognized as "the second batch of assembled construction industrial bases" by the General Office of the Ministry of Housing and Urban-Rural Development.

China Yijian Group has strong scientific and technological development and application capabilities and design capabilities, has a national enterprise technology center and a national building energy-saving laboratory, has established a complete enterprise building technology scheme information database and material price information database, and has achieved a large number of valuable scientific research results.

In 2007, LG construction project won the Green Building Innovation Award of the Ministry of Construction. In recent years, * * * has won more than 200 scientific research achievements at or above the provincial and ministerial level, ranking fifth among the top 100 leading enterprises in building technology in China. China Construction No.1 Engineering Group implements the unified project management mode of "headquarters service control, project authorization management, professional construction guarantee and social cooperation", and gives full play to the headquarters' ability to support and control the project with the strength of the group.

Unified construction scheme planning, quality planning and CI planning are carried out for the project, and a "project boutique chain store" is built with the standard of "only different owners' needs and no different project management".