兰州兰石重型装备股份有限公司 重大事项内部报告制度 （2025 年 4 月修订） 第一章 总 则 第一条 为规范兰州兰石重型装备股份有限公司（以下简称"公司"）重大 事项报告工作的管理，保证公司内部重大事项的快速传递、归集和有效管理，确 保公司信息披露的真实、准确、完整和及时，确保公司规范运作，维护公司和股 东的利益，根据《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》《上海证券交易所上市公司自律监管指引第 2 号--信息披 露事务管理》《上市公司信息披露管理办法》等法律、法规及规范性文件和公司 《章程》《信息披露事务管理制度》的有关规定，制定本制度。 本制度适用于公司各部门、分公司、控股子公司以及公司能够对其实施重大 影响的参股公司。 第三条 本制度所称"报告义务人"包括但不限于： （一）公司董事、高级管理人员； （二）公司各部门负责人、各分子公司负责人； （三）公司控股股东和实际控制人、持有公司 5%以上股份的股东； （四）依照法律、法规和规范性文件的规定，在出现、发生或即将发生重大 事项时负有报告义务的单位和个人。 第四条 公司董事会统一领导和管理重大事项内部报告工作， ...

兰州兰石重型装备股份有限公司 关于防范控股股东、实际控制人及其关联方占用公司 资金的管理制度 （2025 年 4 月修订） 第一章 总 则 第一条 为了建立防止控股股东、实际控制人及其关联方占用兰州兰石重 型装备股份有限公司(以下简称"公司")资金的长效机制,杜绝控股股东、实际 控制人及其关联方资金占用行为的发生,根据《中华人民共和国公司法》《上市公 司监管指引第 8 号—上市公司资金往来、对外担保的监管要求》《上海证券交易 所股票上市规则》《上海证券交易所上市公司自律监管指引第 1 号—主板上市公 司规范运作》等有关法律、法规、规范性文件及公司《章程》的规定制定本制度。 第二条 本制度适用于公司及公司的全资子公司、控股子公司。 第三条 本制度所称资金占用包括经营性资金占用和非经营性资金占用。 经营性资金占用是指控股股东、实际控制人及其他关联方通过采购、销售等 生产经营环节的关联交易产生的资金占用；非经营性资金占用是指公司以经营性 资金占用以外的方式将资金直接或间接地提供给控股股东、实际控制人及其他关 联方使用。 第二章 公司与关联方资金往来的规范 第四条 控股股东、实际控制人及其他关联方不得以任何方式侵占公 ...

兰州兰石重型装备股份有限公司 中小投资者单独计票管理办法 （2025 年 4 月修订） 第一章 总 则 第一条 为维护中小投资者合法权益，充分体现兰州兰石重型装备股份有 限公司（以下简称"公司"）中小投资者对重大事项决策中的意愿和诉求，保障 中小投资者依法行使权利，根据国务院《关于进一步促进资本市场健康发展的若 干意见》国务院办公厅《关于进一步加强资本市场中小投资者合法权益保护工作 的意见》《上海证券交易所上市公司自律监管指引第 1 号——规范运作》等法律 法规、规范性文件及公司《章程》的相关规定，结合公司实际情况，特制定本办 法。 第二条 本办法所称中小投资者是指除下列人员之外的投资者： （一）持有公司股份的公司董事、高级管理人员； （二）单独或合计持有上市公司 5%以上股份的股东。 第二章 单独计票的适用范围 第三条 股东会审议影响中小投资者利益的重大事项时,对中小投资者表 决应当单独计票。本办法所称影响中小投资者利益的重大事项包括下列事项(以 下简称"单独计票事项")： （一）提名、任免董事； （二）聘任、解聘高级管理人员； （三）董事、高级管理人员的薪酬事项； （四）聘用、解聘会计师事务所； （五）因 ...

Market Performance - The controllable nuclear fusion concept sector declined by 0.87%, ranking among the top losers in the concept sector, with *ST Lihang hitting the limit down [1] - Among the stocks in this sector, 27 stocks saw price increases, with Xinhongye, Yingliu Co., and HuoDuan Intelligent leading the gains at 6.83%, 3.70%, and 3.20% respectively [1] Capital Flow - The controllable nuclear fusion concept sector experienced a net outflow of 277 million yuan, with 35 stocks seeing net outflows, and 16 stocks with outflows exceeding 10 million yuan [1] - The stock with the highest net outflow was XueRen Co., with a net outflow of 47.1 million yuan, followed by LanShi Heavy Industry, China Energy Construction, and China Nuclear Power with net outflows of 40.3 million yuan, 36.3 million yuan, and 32.4 million yuan respectively [1] Top Gainers and Losers - The top gainers in the controllable nuclear fusion concept sector included Shanghai Electric, HaiLu Heavy Industry, and Yingliu Co., with net inflows of 50.2 million yuan, 31.7 million yuan, and 28.6 million yuan respectively [1][3] - The top losers included XueRen Co. (-3.24%), LanShi Heavy Industry (-5.64%), and China Energy Construction (-0.45%) [2][3]

Development History of Heat Exchangers - The global development of heat exchangers can be divided into three periods: exploration in the 19th century, preliminary development in the first half of the 20th century, and rapid development from the second half of the 20th century to the present [1][2] - In China, the heat exchanger industry has gone through four stages: initiation in the 1960s, growth in the 1980s, development in the 21st century, and innovation in recent years, with a focus on high efficiency and energy saving [3] Competitive Landscape of the Heat Exchanger Industry - The heat exchanger industry has formed a competitive landscape driven by technological advancement and market orientation, with leading foreign companies like Alfa Laval and domestic companies like Lansi Heavy Industry [4] - The market concentration for spiral tube heat exchangers is relatively high, with domestic companies holding a market share of 63.4% in 2021 [4] Industry Chain Analysis - The upstream of the heat exchanger industry includes raw material supply such as steel, rubber, and graphite, while the midstream focuses on manufacturing, and the downstream encompasses various application fields including petrochemicals and power generation [5][7][11] Market Size of the Heat Exchanger Industry - The market size of China's heat exchanger industry reached 845.6 billion yuan in 2021, with a projected growth from 868.9 billion yuan in 2022 to 992.1 billion yuan by 2026, reflecting a compound annual growth rate of 3.4% [20] - The spiral tube heat exchanger market in China is expected to grow from 19.3 billion yuan in 2022 to 38.1 billion yuan by 2026, with a compound annual growth rate of 18.5% [22] Development Trends in the Heat Exchanger Industry - The industry is moving towards larger, more efficient, and energy-saving products, with significant advancements in heat transfer efficiency and reduced pressure loss [23] - There is a deepening collaboration across the entire industry chain, with suppliers needing to customize products to meet specific client requirements [24] - The pace of domestic substitution is accelerating, with significant breakthroughs in materials and manufacturing processes for spiral tube heat exchangers, supported by national policies [25][26]

Group 1 - Shareholder Guangzhou Yunmei Industrial Investment Partnership reduced holdings by 1,715,960 shares, accounting for 2% of the total share capital of Babwei Co., currently holding 5,426,897 shares, which is 6.33% [1] - Shareholders Yantai Tianzi Chunxue Equity Investment Center and Yantai Tianzi Xuerui Equity Investment Center plan to reduce holdings by up to 2,000,000 shares (1% of total share capital) and 4,000,000 shares (2% of total share capital) respectively for Chunxue Food [1] - Shareholder Ai Jianjie reduced holdings by 2,020,000 shares, accounting for 1.99% of the total share capital of Derui Lithium Battery, currently holding 13,265,738 shares, which is 13.0953% [1] Group 2 - Specific shareholder Zhao Dongmei plans to reduce holdings by up to 847,605 shares (1% of total share capital) for Haitai Technology [2] - Shareholder Wuxi Huahang Kechuang Investment Center plans to reduce holdings by up to 1,200,000 shares (0.46% of total share capital) for Hangya Technology [2] - Beijing Qianfang Technology Co., Ltd. plans to reduce holdings by up to 3,019,317 shares (3% of total share capital) for Hongquan Internet of Things [2] Group 3 - Shareholders Dongtai Huaju Enterprise Management Partnership and Dongtai Huahang Enterprise Management Consulting Partnership plan to reduce holdings by 2,695,188 shares (1.99% of total share capital) for Huashengchang [3] - Independent director Yan Wenfu plans to reduce holdings by up to 590 shares (0.0006% of total share capital) for Jianlong Micro-Nano [3] - Ningbo Jujie Junhe Venture Capital Partnership terminated a previous reduction plan, having reduced holdings by 1,286,300 shares (0.8621% of total share capital) for Jujie Microfiber [3] Group 4 - Shareholder Hunan Hualing Xiangtan Steel Co., Ltd. plans to reduce holdings by up to 39,188,754 shares (3% of total share capital) for Lanshi Heavy Industry [4] - Shareholders Wang Xiaojun and Quanzhou Lihu Zhizhen Investment Co., Ltd. plan to reduce holdings by up to 6,459,400 shares (3% of total share capital) for Lihu Co. [4] - Vice President Zhang Haolin did not execute the reduction plan, holding 84,500 shares (0.0908% of total share capital) for Ligong Optical Technology [4] Group 5 - Shareholder Zheng Zixian reduced holdings by 897,700 shares, currently holding 5,396,600 shares (4.9999% of total share capital) for United Precision [5] - Shareholder Li Da plans to reduce holdings by up to 4,223,539 shares (3% of total share capital) for Meinong Biological [5] - Shareholder Huai'an Zhongren Jiaye Venture Capital Partnership plans to reduce holdings by up to 197,450 shares (0.1499% of total share capital) for Nanling Technology [5] Group 6 - Shareholders Yang Jianping and Xu Huifen reduced holdings by 966,100 shares, currently holding 66,629,183 shares (19.999999% of total share capital) for Xuelang Environment [6] - Shareholder Anhui Zhidao Investment Co., Ltd. plans to reduce holdings by up to 1,830,384 shares (1% of total share capital) for Xueqi Electric [8] - Shareholder Fuzhou Shuihua Laoyou Enterprise Management Consulting Partnership reduced holdings by 1,371,448 shares (0.67% of total share capital) for Xunyout Technology [8]

证券代码：603169 证券简称：兰石重装 公告编号：临 2025-042 兰州兰石重型装备股份有限公司 关于持股 5%以上股东减持股份计划公告 本公司董事会、全体董事及相关股东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： 大股东持股的基本情况：截至本公告日，兰州兰石重型装备股份有限公 司（以下简称"兰石重装"或"公司"）持股 5%以上股东湖南华菱湘潭钢铁有限 公司（以下简称"华菱湘钢"）持有公司无限售条件流通股 78,377,508 股，占公 司总股本的 6.00%。上述股份来源为协议受让取得的股份。 减持计划的主要内容：华菱湘钢因业务发展需要，计划自本次减持计划 公告日起 15 个交易日之后的 3 个月内，拟通过集中竞价交易方式和大宗交易方 式对所持兰石重装股份进行减持，减持股份不超过 39,188,754 股，减持比例不超 过公司总股本的 3%，减持价格按市场价格确定。其中通过集中竞价方式减持的， 在任意连续 90 日内，减持股份总数不超过兰石重装股份总数的 1%；通过大宗交 易方式减持的，在任意连续 90 日内，不超过兰石 ...

装备制造 [Table_ReportDate] 2025 年 4 月 28 日 [T分析师： able_Author 赵晓闯] 执业证书号：S1030511010004 电话：0755-83199599 邮箱：zhaoxc@csco.com.cn 分析师：杨贵洲 执业证书号：S1030524060001 电话：0755-83199599 邮箱：yanggz1@csco.com.cn 研究助理：董李延楠 电话：0755-83199599 邮箱：donglyn@csco.com.cn 公司具备证券投资咨询业务资格 证券研究报告 逆变器 3 月出口保持增长 [Table_ReportType]装备制造行业周报（4 月第 4 周） [Table_S 行业ummary 观点：] 请务必阅读文后重要声明及免责条款 [Table_Industry] [Table_Title] [Table_Report] [Table_BaseData] 行业数据 计算机 2019 年 Q3 综合毛利率（%） 9.7 综合净利率（%） 6.9 行业 ROE（%） 25.6 行业 ROA（%） 5.2 利润增长率（%） 4.21 资产负债率 ...

Investment Rating - The report maintains a positive outlook on the engineering machinery sector, indicating stable growth in exports and suggesting continued investment opportunities in this area [2][3]. Core Insights - The engineering machinery sector saw a first-quarter export value of $12.92 billion, reflecting a year-on-year increase of 7.61% [2]. - In the photovoltaic sector, the prices of main materials have declined, but inverter exports in March reached $633 million, up 5.68% year-on-year, with strong demand from Europe and Asia [2]. - The humanoid robot industry is experiencing rapid development, highlighted by significant showcases at the Shanghai Auto Show, indicating a potential new growth phase for the sector [2]. Summary by Sections Engineering Machinery - The first quarter of 2025 saw stable growth in engineering machinery exports, with a total export value of $12.92 billion, a 7.61% increase year-on-year [2]. - Emerging markets such as Africa, Latin America, Southeast Asia, and the Middle East are experiencing faster growth compared to mature markets [2]. Photovoltaic Sector - The prices of photovoltaic materials have dropped significantly, while inverter exports in March totaled $633 million, marking a 5.68% increase year-on-year [2]. - European markets showed a recovery in demand, particularly in Germany, the UK, and Italy, contributing to the growth in inverter exports [2]. Humanoid Robots - The Shanghai Auto Show showcased advancements in humanoid robots, with significant improvements in functionality and design from domestic manufacturers [2]. - The report suggests focusing on high-value segments with strong technological barriers, such as components for humanoid robots [2].

Investment Rating - The industry rating is "Outperform the Market," indicating that the overall return of the industry is expected to exceed the market benchmark index by more than 5% in the next 6 months [14]. Core Insights - The recent breakthrough in the "Xuanlong-50U" spherical toroidal hydrogen-boron fusion device by Xin'ao Energy Research Institute marks the first successful achievement of a plasma current discharge of 1 million amperes, establishing a foundation for the commercialization of hydrogen-boron fusion [3][4]. - Nuclear power is recognized as a crucial force in promoting the green transition of energy due to its cleanliness, safety, efficiency, and minimal land use, with annual utilization hours exceeding 7000 hours, the highest among all power sources [5]. Summary by Sections Breakthroughs and Developments - The "Xuanlong-50U" device underwent an upgrade in 2023, achieving its first plasma discharge on January 24, 2024, and exceeding expected plasma current indicators on August 15, 2024. The focus for 2025 will be on high-parameter hydrogen-boron plasma discharge research [4]. Investment Opportunities - Recommended companies for investment include: 1. **Jia Dian Co., Ltd.**: Leading in nuclear main pumps and helium fans for fourth-generation high-temperature gas-cooled reactors [5]. 2. **Guoguang Electric**: Key components for the ITER project [5]. 3. **Lanshi Heavy Industry**: Covers upstream nuclear fuel systems to downstream spent fuel processing [5]. 4. **Kexin Electromechanical**: Producing high-temperature gas-cooled reactor products and replacing imports [5]. 5. **Hailu Heavy Industry**: Services for third and fourth-generation reactors and thermal nuclear fusion reactors (ITER) [5]. 6. **Jiangsu Shentong**: Secured over 90% of orders for nuclear-grade valves in new nuclear power projects [5]. 7. **Xianheng International**: Products applied in the operation and maintenance of nuclear energy [5].