Because the contract has expired. Official website of Inner Mongolia University shows that the contract between Inner Mongolia University and Manzhouli College of Inner Mongolia University expires in 2022, and Manzhouli College of Inner Mongolia University will no longer enroll students as a branch of Inner Mongolia University. Inner Mongolia University, located in Hohhot, Inner Mongolia, is a national key university jointly established by the Ministry of Education and the People's Government of Inner Mongolia Autonomous Region.