Core Viewpoint - The "Ultra-High-Speed Low-Vacuum Tube Beam Steel Structure Construction Method" developed by China Railway Sixth Group Fengqiao Company has been recognized as a provincial-level construction method for 2025 in Shanxi Province, providing key technical support for future ultra-high-speed transportation construction in China [1][2]. Group 1: Innovation and Technology - The innovative construction method addresses critical manufacturing challenges in the core bearing and sealing structure of ultra-high-speed low-vacuum tube magnetic levitation transportation systems, which require high precision and airtightness [1]. - Traditional construction methods face issues such as low efficiency and unstable welding quality, which this new method overcomes by optimizing the design and employing automated submerged arc welding for high-quality, efficient seam welding [1]. Group 2: Efficiency and Cost Reduction - The comprehensive benefits of the new method include saving approximately 1,000 square meters of construction site area, reducing labor input by over 50%, and improving construction efficiency by about 30% [1]. - The method transforms complex curved steel structure manufacturing into a controllable and replicable industrial production process, ensuring reliable engineering quality while adhering to green and environmentally friendly principles [1]. Group 3: Project Implementation and Impact - The first phase of the Dazhong low-vacuum tube magnetic levitation high-speed train project has been successfully completed, validating the provincial-level construction method through significant engineering practice [2]. - This innovation not only provides solid technical support for project advancement but also highlights the company's innovative strength in high-end transportation equipment manufacturing, contributing to the accumulation of valuable technical parameters and management experience for large-scale standardized construction of ultra-high-speed transportation lines in China [2].