Several of my seniors are national defense students in xidian university. They were assigned to Wuhan, Nanjing and Shanxi last year, which are not far away.
According to them, distribution is mainly based on personal wishes.
Distribution, mainly in Shaanxi, Shanxi, Shandong, Hebei, Hubei, Jiangsu, Gansu, generally near Lanzhou and Beijing, but less, also near Hebei, generally do not go to remote areas unless special needs.
If my answer is useful to you, will you please adopt it? Thank you, the code word is not easy. . .