On May 22nd to 23rd 2023, Prof. Detlef Gerhard, director of chair of digital engineering at Ruhr-University Bochum, guest professor at Tongji University, visited the School of Mechanical Engineering to exchange academic ideas and discuss potential collaborations. This visit strengthened the cooperation between the two universities from multiple dimensions and promoted the high-quality development of Sino-German scientific research and teaching cooperation, as well as the high-level extension of Sino-German talent training.