1. In short, Lanzhou University is definitely good. After all, it is a 985 key university, but northwest university of politics and law is not a 2 1 1 key university.
2. If you major in politics and law, northwest university of politics and law may be stronger, depending on the major.
Special reminder: College enrollment and volunteering are a dynamic process, and it is impossible to make an absolute static estimation and analysis. Candida