On July 26, Zang Liguo, Executive Director of the Group, and his delegation went to Beijing University of Technology for industry university research exchange and negotiation. Led by Academician Cai Hongnian, Professor Wang Fuxian, Professor Liu Ying and Professor Pang Siping, we visited the Key Laboratory of Armor and Anti armor Materials Science and Technology of Beijing University of Technology, listened to the academic reports made by four experts from the School of Materials of Beijing University of Technology, and studied and discussed the technical convergence with the relevant industries of Lizhong Group, The intention of further docking was reached (mold coating, genome analysis of intermediate alloy composition and performance, 3D printing powder materials, etc.). The two sides exchanged views on the negotiation intention put forward by Lizhong Group before the meeting. Academician Cai Hongnian expressed his willingness to combine the needs of Lizhong Group and refine the research direction of "replacing steel with aluminum" based on Beijing University of Technology, Beijing University of Technology and Beijing University of Aeronautics and Astronautics, To propose specific research directions.