银川西特大桥全长7091.76米，其中有一段需利用221.5米连续梁跨越西干渠。该段施工难度大，合龙顺 序需采用先边跨后中跨，属于危险性较大的分部分项工程。 为确保施工安全和工程质量，施工前由项目技术负责人组织就支架搭设、挂篮悬浇、合龙等重要工序召 开专项技术讨论会，就设计图纸中的疑点、难点，虚心向设计、业主及有关专家请教和释疑。同时，项 目部还对所有技术人员进行施工技术交底，技术人员和工班长对所负责的施工班组人员就有关的工序和 部位的施工技术要求、控制手段、操作要求等进行交底。 中新网银川8月20日电 (记者 李佩珊)记者20日从中国铁建大桥局获悉，银川至巴彦浩特铁路(下称"银巴 铁路")银川西特大桥跨西干渠连续梁顺利完成合龙。标志着银巴铁路又一重要节点性工程顺利完成，为 银巴铁路宁夏段架梁施工创造有利条件。 合龙现 场。 苏艺 摄 银巴铁路项目是包银高铁支线工程，全长约115千米，其中内蒙古自治区阿拉善境内长约75千米、宁夏 回族自治区境内长约40千米。中国铁建大桥局承建的项目全长31.89千米，其中桥梁21.15千米，隧道 1.217千米，桥隧占比70.14%。 截至目前，该项目主体工程已完成约85%， ...

Group 1 - The company, China Railway Construction Corporation, announced that it will hold a half-year performance briefing on September 4, 2025 [2]

证券代码：601186 证券简称：中国铁建 公告编号：临 2025—037 中国铁建股份有限公司 关于召开 2025 年半年度业绩说明会的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、 误导性陈述或者重大遗漏，并对其内容的真实性、准确性和完整性承 担法律责任。 重要内容提示： ● 会议召开时间：2025年9月4日（星期四）14:00-15:00 ● 会议召开地点：上海证券交易所上证路演中心（网址： https://roadshow.sseinfo.com/） ● 会议召开方式：上证路演中心网络互动 ● 投资者可于2025年8月28日（星期四）至9月3日（星期三） 16:00前登录上证路演中心网站首页点击"提问预征集"栏目或通过 公司投资者关系邮箱ir@crcc.cn进行提问。公司将在说明会上对投资 者普遍关注的问题进行回答。 中国铁建股份有限公司（以下简称公司）将于2025年8月30日发 布公司2025年半年度报告，为便于广大投资者更全面深入地了解公司 2025年半年度经营成果、财务状况，公司计划于2025年9月4日（星期 四）14:00-15:00举行2025年半年度业绩说明会，就投资者关心 ...

香港交易及結算所有限公司及香港聯合交易所有限公司對本公告的內 容 概 不 負 責，對 其 準 確 性 或 完 整 性 亦 不 發 表 任 何 聲 明，並 明 確 表 示，概 不對因本公告全部或任何部分內容而產生或因倚賴該等內容而引致的 任 何 損 失 承 擔 任 何 責 任。 海外監管公告 本公告乃根據香港聯合交易所有限公司證券上市規則第13.10B條而作出。 茲 載 列 中 國 鐵 建 股 份 有 限 公 司（「本公司」）在 上 海 證 券 交 易 所 網 站 刊 登 的「中 國鐵建股份有限公司關於召開2025年半年度業績說明會的公告」，僅 供 參 閱。 承董事會命 中國鐵建股份有限公司 關於召開2025年半年度業績說明會的公告 本 公 司 董 事 會 及 全 體 董 事 保 證 本 公 告 內 容 不 存 在 任 何 虛 假 記 載、誤 導 性 陳 述 或 者 重 大 遺 漏，並 對 其 內 容 的 真 實 性、準 確 性 和 完 整 性 承 擔 法 律 責 任。 中國鐵建股份有限公司 董事長 戴和根 中 國‧北 京 2025年8月20日 於 本 公 告 日 期，董 事 會 成 員 包 括：戴 和 根 先 ...

Core Points - The Chongqing-Wanzhou High-Speed Railway (Yuwan High-Speed Railway) has successfully completed the construction of the Quxi River Double-Line Bridge, a significant milestone in the project [2][4][6] - The bridge, located in the Fuling District of Chongqing, spans approximately 953 meters and is considered a key challenging project along the railway line [8][10][12] - The Yuwan High-Speed Railway is part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, with a total length of 251 kilometers and a designed speed of 350 kilometers per hour [2][4][6]

Group 1 - The core project is the Zhizhen Energy 1 million kW photovoltaic hydrogen production and ammonia synthesis integrated project in Yili Prefecture, Xinjiang, with a total construction area of 122,381.3 square meters [1] - The project includes 64 sets of 1000Nm³/h electrolysis hydrogen production devices, 20 sets of 2000Nm³ hydrogen storage devices, and a 170,000 tons/year ammonia synthesis device [1] - The winning bid for the project was awarded to China Railway Tunnel Group with a bid price of 261,848.2124 million yuan [1] Group 2 - The total estimated contract amount for the bidding project is 960 million yuan, with a total construction period of 790 calendar days [2] - The project includes construction drawing design, engineering construction, and warranty work during the defect liability period [2] Group 3 - The winning bid for the liquid-cooled ultra-fast charging low-carbon comprehensive energy station project (Phase I) was awarded to China Railway 14th Bureau Group with a bid price of 95,904 million yuan [4] - The project aims to accelerate the construction of charging infrastructure for new energy vehicles, with a total investment of 82 million yuan for 200 ultra-fast charging stations in Hubei and Hunan [4] Group 4 - The Gansu Zhangye City 200MW/800MWh independent energy storage project has a total investment of 818 million yuan, with the winning bid announced for China Railway Construction Bridge Engineering Group [5] - The project includes a 200MW/800MWh energy storage power station and a 330kV/35kV/10kV booster substation [5] Group 5 - The total investment for the International Cooperation Education Sample Area Science and Technology Innovation Hub project is estimated at 157,543.65 million yuan, with a construction scale of approximately 1,277 meters for the road [8] - The project includes tunnel construction, road engineering, and various auxiliary facilities [8] Group 6 - The Three Gorges Waterway New Channel Project has a static total investment of approximately 766 billion yuan, with a total construction period of 100 months [11] - The project includes the construction of a water supply system with a design scale of 76,500 m³/d [10][11] Group 7 - The project for the renovation of old residential areas in Shenyang's Shenbei New District involves the renovation of infrastructure for 12 old residential areas, impacting 4,904 households [21][22] - The renovation includes road reconstruction, water supply, drainage, heating pipeline updates, and the addition of public service facilities [22]

Group 1 - The key clients of Sichuan Shengshi Steel Union International Trade Co., Ltd. include major state-owned enterprises directly supervised by the State-owned Assets Supervision and Administration Commission, covering various sectors such as construction, infrastructure, and energy engineering [1] Group 2 - The core list of top ten central enterprise construction companies includes China State Construction Engineering Corporation, which has a business focus on housing construction (over 50% of global super high-rise buildings) and infrastructure [4] - China Railway Group Limited specializes in railway engineering, accounting for 66% of the national railway mileage, with a significant increase of 51.6% in overseas business [4] - China Railway Construction Corporation is responsible for 52% of the national high-speed rail mileage and has established construction standards for high-speed rail in China [4] Group 3 - China Communications Construction Company focuses on port channels and cross-sea bridges, with a new contract amount of 9910.54 billion yuan in the first half of 2025 [5] - China Power Construction Group is a leader in hydropower, with a global market share exceeding 50% in overseas hydropower [5] - China Energy Engineering Group is innovating in traditional energy upgrades and has seen a growth rate of over 30% in new energy contracts [5] Group 4 - China Metallurgical Group Corporation leads the global market share in metallurgical engineering and is advancing hydrogen metallurgy technology for low-carbon transformation [5] - China Chemical Engineering Group dominates 70% of domestic petrochemical projects and has achieved a 12.3% growth in fine chemical contracts [5] - China National Nuclear Corporation is responsible for all domestic nuclear power units and plays a special role in national defense engineering and nuclear emergency support [5] - China Aneng Construction Group specializes in water conservancy and emergency rescue tasks [6]

Investment Rating - Industry rating is maintained at "Outperform the Market" [5] Core Viewpoints - Infrastructure investment in July showed a high increase in railway and water electricity fuel investment, while overall infrastructure investment is experiencing marginal slowdown, particularly in the central and western regions [1][2] - Real estate development investment from January to July decreased by 12%, with a significant drop of 17.1% in July alone, indicating a continued weakness in the real estate sector [2] - The issuance of special bonds has accelerated, with a total of 27,775.89 billion yuan issued from January to July, representing a year-on-year increase of 56.5%, which is expected to support infrastructure investment growth in the second half of the year [1] - Cement demand is anticipated to gradually recover, with a focus on investment opportunities at relatively low points in the market, despite a 4.5% year-on-year decline in cement production from January to July [3] - The flat glass market is showing signs of improvement, with a slight increase in prices and a reduction in inventory levels, suggesting a potential recovery in demand [4] Summary by Sections Infrastructure Investment - In July, infrastructure investment growth was supported by a 21.5% year-on-year increase in water electricity fuel investment, while transportation and storage investment saw a 3.9% increase [2] - The report emphasizes the importance of focusing on major engineering projects and infrastructure investments in the central and western regions [1] Real Estate Sector - The real estate sector continues to show weakness, with significant declines in sales, new construction, and completion areas from January to July [2] - The report highlights the need for monitoring policy changes that could impact the real estate market [4] Cement and Glass Markets - Cement production decreased by 4.5% year-on-year, with a notable drop in July, but there are expectations for demand recovery as the market enters a peak season [3] - The flat glass market is experiencing a slight recovery, with improved trading conditions and reduced inventory levels [4]

Core Viewpoint - The successful completion of the Helan Mountain Tunnel marks a significant milestone in the construction of the Baoyin High-speed Railway, which is a crucial part of China's national high-speed rail network [1] Group 1: Project Overview - The Helan Mountain Tunnel, constructed by China Railway Fifteenth Bureau, has a total length of 8,792 meters and is located at the boundary between Alxa Left Banner in Inner Mongolia and Yinchuan in Ningxia [1] - The tunnel's geological conditions are extremely complex, with a maximum burial depth exceeding 230 meters, and it requires passing under six fractured zones and the Ming Great Wall, categorizing it as a Class I high-risk tunnel [1] Group 2: Construction Techniques - To minimize disturbance to the Ming Great Wall, the construction team upgraded traditional blasting methods to a low-disturbance combination technique involving "mechanical excavation + C6 drilling machine operation + dynamic monitoring," ensuring high-quality and efficient tunneling [1] Group 3: Strategic Importance - The Baoyin High-speed Railway is an important component of the national "Eight Horizontal and Eight Vertical" high-speed rail network, with the Yinba branch line starting in Yinchuan and ending in Bayannur, Inner Mongolia [1] - The Helan Mountain Tunnel is identified as a critical and challenging control project within this branch line [1]

Investment Rating - Investment Rating: Positive (Maintain) [5] Core Viewpoints - The construction of an efficient rail system in Xiong'an New Area is accelerating, with a focus on creating a national comprehensive transportation hub. The railway network is forming a "four vertical and two horizontal" high-speed rail system that covers the Beijing-Tianjin-Hebei core area and extends to Central China, East China, and Northwest regions [5][6][9] - The three high-speed rail lines (Xiongshan, Xionxin, and Shixiong) have a total investment of approximately 177.3 billion yuan, with significant construction progress expected between 2025 and 2027, leading to potential revenue and profit growth for related companies [5][36][39] Summary by Sections 1. Efficient Rail System Construction - Xiong'an New Area is strategically positioned to support national development, serving as a key hub for relieving Beijing's non-capital functions. The area is expected to achieve significant connectivity with major cities, including a 20-minute commute to Beijing's new airport and 30 minutes to Beijing and Tianjin [6][9] - The policy framework supporting the railway system has been established, with multiple levels of government backing the construction of high-speed rail and other transportation infrastructure [7][9] 2. High-Speed Rail Network Development - The Xiongshan High-Speed Rail connects Xiong'an to Central China, with a total length of approximately 552 kilometers and a planned completion date of 2026. The project has a total investment of 86.4 billion yuan [14][20] - The Xionxin High-Speed Rail, spanning 342.67 kilometers, is expected to enhance connectivity between Xiong'an and Shanxi, with a completion target of 2027 [21][24] - The Shixiong High-Speed Rail will connect Shijiazhuang and Xiong'an, with a total investment of approximately 33.65 billion yuan and a planned completion date of 2028 [30][33] 3. Investment Opportunities - The construction phase for the three high-speed rail lines is expected to release over 40.7 billion yuan in civil engineering funds between 2025 and 2027, creating significant opportunities for construction and equipment manufacturing companies [5][36][39] - Key construction companies involved include China Railway and China Railway Construction, which are expected to benefit from the ongoing projects [38][39] - The demand for tunnel boring machines (TBM) and related equipment is anticipated to rise due to the high proportion of tunnel construction in the projects, benefiting leading manufacturers in the sector [39][40]