Cai Dong has a bunch of express delivery vehicles or outlets at the entrance of the dormitory, such as Dayun, Shentong, Tong Yuan, Zhongtong, EMS, SF, Little Red Horse and Tian Tian Express. Generally, there is ordinary express delivery, and the express mail needs to be taken from the express car or outlets. When it arrives, it will send a short message. The address only needs to be written in the Student Apartment of Zhishuyuan, Dongbei University of Finance and Economics, Shahekou District, Dalian, Liaoning Province ~