On August 6, 2025.8.6, engineer Zhang visited the Continuous Extrusion Center(Ministry of Education) of Dalian Jiaotong University, and was warmly received by the team of Professor Li and other teachers at the center. Zhang reported on the case sharing and recent research progress of alloy resistivity Measurements, high-temperature resistivity applications, and inspected and maintained the equipment a few years ago. They also exchanged ideas on the cooperation of material testing and research in the future.