Group 1 - The Xiapu Bridge is the world's largest road-rail dual-use bridge and a key control project for the Ningbo-Zhoushan Railway, which will end the history of no railway access in Zhoushan City [1] - The bridge features a dual-layer design with a railway in the middle and roads on both sides, including a double-track railway and a six-lane dual-direction road [1] - The construction involves over 30,000 tons of steel structures, which are being divided into 138 intelligent modules with a precision control of within 2 millimeters [1] Group 2 - The intelligent manufacturing base at China Railway Baoji (Zhoushan) Co., Ltd. employs smart welding robots and other automated equipment, significantly enhancing production efficiency by over 40% [2] - The welding quality is crucial for the safety and performance of the bridge, with weld seams being evaluated at a level comparable to that of a senior welder [2] - The integration of "artificial intelligence+" welding technology allows for precise identification of welding positions and immediate alerts for any issues detected [3] Group 3 - The bridge utilizes a cable-stayed suspension system, necessitating precise control of steel structures due to varying stress points across different segments [3] - In 2022, China Railway Industry established a large-scale, intelligent steel bridge manufacturing base in Zhoushan, enhancing China's capabilities in steel bridge manufacturing [3]

免责 声 明 近日，由申万宏源主承销的"中国中铁股份有限公司2025年面向专业投资者公开发 行科技创新可续期公司债券(第二期)"成功发行，品种一和品种二发行规模分别为12.5 亿元、12.5亿元，期限为3+N、5+N年期，票面利率为2.10%、2.16%。本期债券品种 一和品种二均创中国中铁同期限永续债券票面利率历史新低。 本内容最终解释权归申万宏源证券有限公司所有。 作为科技部、国务院国资委和中华全国总工会授予的全国首批"创新型企业"，中国 中铁在从事铁路、公路、城市轨道交通等领域专用施工机械的制造与研发方面处于国内 乃至世界领先地位，在科技创新实力、核心技术优势、生产制造水平、品牌知名度等方 面竞争力突出。中国中铁是全球领先的盾构机/TBM研发制造商，是全球领先的道岔和 桥梁钢结构制造商、国内领先的铁路专用施工设备制造商、世界领先的基础设施建设服 务型装备制造商。中国中铁研发制造的隧道掘进机、隧道机械化专用设备、工程施工机 械、道岔、钢桥梁等产品市场需求充盈稳定，相关产品市占率持续保持行业领先。旗下 控股子公司中铁工业（股票代码600528.SH）是我国铁路基建装备领域产品最全、A股 主板唯一主营轨道交通 ...