Which headquarters does the twelfth bid section of Xicheng high-speed railway belong to?

Cheng-Lan Railway Company. According to the profile information of Chenglan Railway Company, the 12 section of Xicheng High-speed Railway is under the responsibility of Chenglan Railway Company. Section 12 of Xicheng high-speed railway is located in Qunke Town, Hualong County, Haidong City, Qinghai Province. Xicheng high-speed railway, also known as Xicheng passenger dedicated line, has a total length of 658 kilometers and an operating speed of 250 kilometers per hour. It is the first high-speed railway across the Qinling Mountains in China, and is also known as "the highest speed railway in China".