费用控制成效巩固。报告期内，中铁工业管理费用5.99亿元，同比下降11.36%，降幅进一步扩大；财务 费用-0.33亿元；销售费用3.03亿元，受加大营销投入力度影响，同比增长3.01%，但增幅在上年同期已 大幅收窄的基础上进一步下降。据中铁工业介绍，近年来，公司大力实施费用管控，大幅压缩非生产经 营性费用支出，在全公司范围内制定下发了较大幅度的费用压降计划，并通过预算进行严格控制，努力 控制费用规模。 未来发展前景向好。中铁工业四项主营产品——"全断面隧道掘进机""架桥机""道岔""桥梁用钢铁结 构"均通过工信部制造业单项冠军认定；公司各项主营业务的市场占有率和综合实力均位居"国内第 一"乃至"世界第一"。特别是在隧道掘进机方面，公司研制的隧道掘进机在城市轨道交通、铁路、水 利、抽水蓄能、矿山建设等领域的应用广泛。报告期内，公司聚焦新客户、新领域、新产品，在水利水 电、矿山能源等新领域依托公司研发和产品优势持续发力，加速开发适应极端环境、复杂工况、特殊施 工条件的高端装备。7月19日雅鲁藏布江下游水电工程正式开工，资本市场对该项目给予了较高关注 度；8月7日新藏铁路有限公司成立。中铁工业作为我国隧道掘进机行 ...

Core Viewpoint - The construction of the Xi'ao Men Railway and Highway Dual-Use Bridge is a significant engineering achievement, set to become the world's largest span dual-use bridge, showcasing advanced technology and innovation in bridge construction [3][4][10]. Group 1: Project Overview - The Xi'ao Men Bridge features a main span of 1,488 meters and is designed to withstand challenging environmental conditions, including high winds and waves [3][4]. - The bridge construction involves 30,000 tons of steel structure, which is divided into 138 intelligent modules, with installation precision controlled within 2 millimeters [3][4]. - The project is a key component of the Ningbo-Zhoushan Railway, with construction expected to be completed in 2024 [4]. Group 2: Technological Innovations - The bridge employs a cable-stayed suspension system, marking the first application of this technology in high-speed rail over water [4]. - The manufacturing process utilizes a fully automated intelligent production line, enhancing efficiency by over 40% and achieving 100% utilization of intelligent equipment [5]. - AI technology is integrated into welding robots for real-time monitoring and defect detection, significantly improving product quality and production efficiency [5]. Group 3: Company Background - China Railway Industry is a leading enterprise in the domestic A-share market, specializing in high-end equipment for rail transportation and underground excavation [6]. - China Railway Baoguan, a subsidiary of China Railway Industry, is recognized as a top player in the domestic bridge steel structure sector [4][6]. - The company has a market share exceeding 60% in the large steel structure bridge manufacturing and installation sector [5]. Group 4: Future Prospects - China Railway Industry aims to leverage new technological revolutions and industrial transformations to enhance its market position in water conservancy, railways, and energy sectors [9]. - The company plans to expand its market presence in overseas regions, including the Middle East, Oceania, and the Americas, while stabilizing its traditional markets in Europe and Southeast Asia [9]. - Ongoing projects in Zhejiang province, including the intelligent production base and advanced tunneling machines, reflect the company's commitment to innovation and quality [10].