September to December. Lanzhou Jiaotong University, located in Lanzhou City, Gansu Province, is a university established by the State Railway Group Corporation of China, the State Railway Administration and the People's Government of Gansu Province, the provincial ministry ****. The university's undergraduate theses are sampled from time to time, from September to December each year. As of April 2022, the university has 2 campuses covering an area of 1,564 acres, with a building area of 709,700 square meters and a library collection of 2,311,800 books; it has 5 post-doctoral research stations, 6 first-level doctoral degree programs, 28 first-level master's degree programs, and 15 professional degree authorization categories.