Recently, we have received good news that our company has successfully won the bid for the self-service book borrowing and returning machine project at Hohai University! So far, our company has reached 5 users from 21 key universities in Jiangsu Province (Nanjing University of Science and Technology, Nanjing University of Aeronautics and Astronautics, China Pharmaceutical University, Jiangnan University, and Hohai University) Hehai University is a national key university directly under the Ministry of Education with nearly a hundred years of school running history, featuring water conservancy, engineering as the main subject, and multidisciplinary coordinated development. It is one of the first universities authorized by the state to award bachelor's, master's and liberal arts degrees, implement the key construction of the National 21 Project, construct the "985 Project Priority Discipline Innovation Platform", and set up a graduate school. It has a State Key Laboratory for hydrology and water resources and hydraulic engineering science, and a National Engineering Research Center for efficient utilization of water resources and engineering safety.