（文章来源：证券日报） 证券日报网讯 12月15日，中铁工业在互动平台回答投资者提问时表示，根据公司发布的2025年第三季 度报告，截至三季度末，公司股东人数102904户。 ...

格隆汇12月6日｜据央视财经，中国是盾构机最大的消费市场，也是盾构机最大的生产国。总台主持人 探访中铁智能装备盾构机总装车间。相关负责人表示，截止到目前，中铁工业的盾构机已经出口到海外 34个国家和地区。20多年前1台盾构机价格7亿元，如今中铁工业成功将盾构机的价格打到了原来的三分 之一到四分之一。它不仅是一座城市开山拓土的工程利器，更是大国重器从"中国制造"迈向"中国智 造"的生动缩影。 ...

格隆汇12月1日丨中铁工业(600528.SH)公布，截至2025年11月30日，公司通过上海证券交易所系统以集 中竞价交易方式累计回购股份1050.15万股，已回购股份占公司总股本的比例为0.0425%，成交最高价为 5.75元/股，成交最低价为5.63元/股，成交总金额为5999.91万元（不含交易费用）。 ...

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]

Group 1 - As of November 21, nearly 40 companies in the Shanghai market announced share buybacks and positive operational news, with 32 of these being buyback announcements [1] - Huida Technology announced a new buyback plan of 200 million to 400 million yuan, with a buyback price ceiling of 124.15 yuan per share, representing approximately 0.35% to 0.69% of its total share capital [1] - Other companies like Yongyuan Tourism and Xiangyuan Cultural Tourism also initiated their first buybacks, with significant amounts being allocated for these plans [2] Group 2 - Xiangyuan Cultural Tourism plans to buy back between 80 million to 120 million yuan from November 18, 2025, to May 15, 2026, and has already repurchased 2.095 million shares for 15.63 million yuan [2] - Yongyuan Tourism began its buyback on November 10, 2025, repurchasing 1 million shares for 5.39 million yuan, while Xingdesheng repurchased 200,000 shares for 4.93 million yuan on the same day [2] - China National Shipping Holdings announced a buyback plan of 749 million to 1.498 billion yuan, having repurchased 40.53 million shares for a total of 607 million yuan by November 21 [2] Group 3 - China Jushi disclosed a buyback plan of up to 880 million yuan, having repurchased 34.18 million shares, which is 0.85% of its total share capital, with over 534 million yuan spent in one month [3] - Jiangsu Hengrui Medicine and Zhuzhou Qibin Group also reported their buyback activities, with Hengrui repurchasing 979,900 shares for 59.79 million yuan, totaling 889.87 million yuan in buybacks [3] - Zhuzhou Qibin Group repurchased 15.95 million shares for 112.36 million yuan, with total buybacks reaching 27.96 million shares and 195.96 million yuan spent [3] Group 4 - Seven companies, including Chengdu Bank and China Railway High-tech Industry, reported shareholder buyback progress, with Longi Green Energy's chairman completing a buyback of 6.13 million shares for 100.69 million yuan [4] - Sinopec announced that its controlling shareholder and related parties have increased their holdings by 34.56 million shares for approximately 194 million yuan since April 9, 2025, totaling over 294 million yuan in buybacks [4]

Core Viewpoint - China Railway Industry announced that its controlling shareholder, China Railway Group Limited, has increased its stake in the company by acquiring 9,814,201 shares, representing approximately 0.44% of the total share capital, with a total transaction amount of RMB 80.0952 million. The shareholder plans to continue purchasing shares during the implementation period of the buyback plan [1]. Summary by Categories Shareholder Activity - China Railway Group Limited has cumulatively increased its shareholding in China Railway Industry by 9,814,201 shares [1]. - This acquisition accounts for about 0.44% of the total share capital of the company [1]. - The total amount spent on this share purchase is RMB 80.0952 million [1]. Future Plans - China Railway Group Limited intends to continue increasing its stake in China Railway Industry according to the relevant buyback plan [1].

Core Viewpoint - China Railway Industry (中铁工业) has announced a share buyback plan, indicating confidence in its stock value and future prospects [1] Group 1 - As of the announcement date, China Railway has cumulatively increased its shareholding by 9.8142 million shares, accounting for approximately 0.44% of the total share capital [1] - The total transaction amount for the share buyback reached RMB 80.0952 million [1] - China Railway plans to continue its share buyback according to the relevant plan, indicating a strategic approach to enhance shareholder value [1]

证券代码：600528 证券简称：中铁工业 编号：临 2025-036 中铁高新工业股份有限公司 二、增持计划的实施进展 截至本公告日，中国中铁持有公司 1,101,175,807 股股份，约占公司 总股本的 49.57%。 三、其他相关事项说明 （一）本次增持行为符合《中华人民共和国公司法》《中华人民共和 国证券法》《上海证券交易所股票上市规则》等法律法规、部门规章及上 海证券交易所业务规则等有关规定。中国中铁将按照法律法规的规定继续 实施本次增持计划。 （二）中国中铁实施本次增持不触及要约收购，不会导致公司股份分 布不具备上市条件，亦不会导致公司控股股东及实际控制人发生变化。 关于控股股东增持公司股份进展的公告 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： 公司控股股东中国中铁股份有限公司（以下简称"中国中铁"）计 划自 2025 年 5 月 8 日起 12 个月内增持公司股份，增持资金下限为不低于 人民币 1.6 亿元（含），上限不超过人民币 3 亿元（含），增持股份数量 不超过公司总股本的 2%。具 ...

Investment Rating - The report maintains an investment rating of "Outperform" for the construction and decoration industry [3]. Core Viewpoints - The report highlights a continued decline in fixed asset investment in October, with a focus on the positive impact of moderately loose monetary policy and the acceleration of strategic project implementation [14][20]. - It emphasizes the increase in net financing of special bonds and rapid deployment of special government bonds, indicating a supportive funding environment for infrastructure projects [21][19]. Summary by Sections Industry Perspective and Investment Recommendations - The construction and decoration index rose by 0.35%, outperforming the overall A-share index by 0.53 percentage points, with notable performances in landscaping engineering and decoration sectors [13][30]. - Fixed asset investment from January to October 2025 reached CNY 408,914 billion, down 1.7% year-on-year, with infrastructure investment at CNY 203,809 billion, growing by 1.5% [14][16]. Key Company Dynamics - China Construction reported a new contract total of CNY 33,194 billion from January to October 2025, up 2.0% year-on-year [37]. - China Metallurgical Group announced a new contract amount of CNY 8,451 billion, down 11.8% year-on-year [37]. Valuation Status - As of November 14, 2025, the price-to-earnings (PE) ratios for various construction sub-sectors were as follows: housing construction at 6.64x, decoration at -24.37x, and municipal engineering at 8.14x [40].