Core Insights - The domestically produced ultra-large diameter mud-water shield machine "Zhengxian" was launched in Zhengzhou, marking a significant advancement in high-end manufacturing technology [1][3] - The "Pioneer Industrial Manufacturing Big Model" was officially released, enhancing the operational intelligence of the shield machine [1][3] Group 1 - The "Zhengxian" will be utilized in the Wuhan Lianghu Tunnel East Lake section, which is the longest urban underwater tunnel in China and the largest in the world, with a drilling diameter of 15.09 meters and a total length of 115 meters [3] - The machine incorporates advanced technologies such as a constant pressure cutter head, a geological forecasting system, and an automated mud cake removal system, enabling safe and efficient operations in complex environments [3][6] Group 2 - The "Pioneer Big Model" is designed for industrial manufacturing, establishing a comprehensive intelligent system that includes computing power, algorithms, data, platforms, and applications [3][6] - The model facilitates rapid fault analysis and the generation of multiple optimized design solutions, driving the transition of high-end manufacturing from experience-driven to model-driven approaches [6] - A collaborative platform named the "High-end Intelligent Manufacturing Innovation Alliance" was established, involving 12 organizations, including China Railway and Zhejiang University, to foster innovation and resource sharing across industries [6]

Group 1 - The "Zhengxian" shield machine, with a diameter of 15.09 meters and a length of 115 meters, has been launched in Zhengzhou, Henan, and will be used for the Wuhan Two Lakes Tunnel East Lake section, which is the longest urban lake bottom tunnel in China and the largest in the world [1][3] - The shield machine incorporates advanced technologies such as a constant pressure cutter head for safe and efficient operation in high-pressure environments, a geological forecasting system for risk prediction, and an automated mud cake removal system for continuous excavation in complex strata [3] - China Railway Equipment has produced over 1,800 shield machines, exporting them to 34 countries and regions including France, Germany, Singapore, and Italy, showcasing the rapid evolution of high-end manufacturing technology supported by strong intelligence [3] Group 2 - China Railway Industrial Co., Ltd. launched the "Pioneer·Industrial Manufacturing Large Model," an AI model designed for industrial manufacturing that enables rapid fault analysis and generates multiple optimal design solutions, facilitating the transition from experience-driven to model-driven high-end manufacturing [4] - The technology system built on this advanced industrial manufacturing model aims to enhance core technologies in tunnel excavation equipment and solidify the technological foundation for the industrialization of high-end equipment [4] - During the event, contracts were signed for the largest domestic diameter shield machine and the world's largest double-shield TBM, which will be applied in major engineering projects in Hefei and Sichuan [4]