China Construction Third Engineering Bureau Co., Ltd. (hereinafter referred to as "China Construction Third Engineering Bureau") was established with the approval of the State Council in July 1965. 1993 was approved by the Ministry of construction as the first batch of engineering general contracting enterprises and the first-class qualification of construction general contracting in China; In 2002, it was approved as the first batch of special qualification for general contracting in China. Is a multi-functional, large-scale state-owned building installation backbone enterprise, under the direct management of the State Council State-owned Assets Supervision and Administration Commission of China State Construction Engineering Corporation.