China Electronic Systems Engineering Third Construction Co., Ltd. (hereinafter referred to as China Power Company III, CESE3) is a major member of China Electronic Information Industry Group, a state-owned key enterprise which is one of the world's top 500 and determined by the central government and involves national security and the lifeline of the national economy. The company was established in 1953, located in the beautiful "land of abundance" Chengdu, Sichuan. It is one of the construction enterprises engaged in national key projects since the founding of New China, and it has been approved by the Ministry of Construction as a national first-class construction.