Why is the national ranking of Beijing Institute of Printing so low?

Local professional colleges. Official website of Beijing Institute of Printing shows that Beijing Institute of Printing is a local professional college, so it ranks lower in the country. Beijing Institute of Printing, referred to as "Yin Bei", is located in the capital Beijing. Established by the Beijing Municipal People's Government and the State Press and Publication Administration, it was selected as an outstanding engineer education and training program. Is the national green printing and packaging industry collaborative innovation base.