China Yijian Group is a large-scale construction enterprise group with national super general contracting qualification, integrating design, scientific research, construction, installation, logistics and real estate development, and diversified operation across industries, regions and borders. Its predecessor was 1953, an engineering company directly under the Ministry of Construction established to build the first automobile factory. On August 1997, 1 as the only construction enterprise in the State Council 100 to establish a modern enterprise system, it was officially transformed into "China Construction First Bureau (Group) Co., Ltd." and based on this, China Construction First Bureau Group was established.
China Construction Second Engineering Bureau Co., Ltd. belongs to China State Construction Engineering Corporation. In 2002, it was awarded five first-class professional contractors by the Ministry of Construction: first-class general contracting for housing construction, first-class general contracting for municipal public works, first-class general contracting for mechanical and electrical installation, second-class general contracting for power engineering and foundation and foundation engineering, architectural decoration engineering, steel structure engineering, bridge engineering and highway subgrade engineering. 20 10 was awarded the first-class qualification of construction industry by the Ministry of Housing and Urban-Rural Development on April 23rd.