Who is the company on the Sichuan-Chongqing section of the China Railway Twelfth Bureau Yu-Kunming Railway?

The Sichuan-Chongqing section of the China Railway Twelfth Bureau Chongqing-Kunming Railway is owned by the third company. Faced with a tight construction period, the 3rd bid project manager of the Chongqing-Kunming High-speed Railway Sichuan-Chongqing Section of the China Railway 12th Bureau No. 3 Company has implemented high-quality construction of "high-quality, intelligent, green and humanistic" railway projects to efficiently build the western high-speed railway construction. The new model construction concept focuses on ensuring quality, construction period, and safety, and strives to improve work efficiency and quality through innovation. It is expected that the construction period will be shortened by about one year.