On July 29, 2024, Professor Hu Mingwei, the Chief Information Officer of our institute, and his delegation visited Tianjin Metro Group Co., Ltd. (hereinafter referred to as "Tianjin Metro Group"). Leaders including Ma Yunkang, Chairman of Tianjin Metro Group, Yin Bo, Deputy General Manager, and Zhang Xiaobin, Deputy General Manager, attended the symposium. Chairman Ma Yunkang warmly welcomed the visit of Professor Hu Mingwei and his delegation, and introduced the development history of Tianjin Metro; Professor Hu Mingwei introduced the development overview of our institute and the future underground city research institute. Both sides had lively discussions on topics such as subway logistics and photovoltaic energy storage supercharging.

On July 30th, Professor Hu Mingwei and his delegation visited Tianjin TEDA Urban Rail Investment and Development Co., Ltd. They first visited the Safety Risk Monitoring Center of the Z4 Line Phase I Project. Chairman and General Manager Zhang Bin, Vice General Manager WangYifei, and others participated in the discussion. Both sides introduced their respective units and exchanged ideas on topics such as low altitude economy.