科技日报记者 王禹涵 国家能源集团青海共和公司青豫直流二期10万千瓦光热项目正源源不断地向电网输送电能，青海中控德令哈50兆瓦光热电站驱动汽轮机持续发电……这一朵 朵绽放的"太阳花"，正照亮我国能源转型的新路径。 近日发布的《关于促进光热发电规模化发展的若干意见》（以下简称《若干意见》）提出，到2030年，光热发电总装机规模力争达到1500万千瓦左右，度电 成本与煤电基本相当。 项目火热推进，政策东风劲吹，但光热发电这个被寄予厚望的产业，仍面临着初始投资较高、市场竞争能力偏弱等"成长的烦恼"。在新能源全面平价的时 代，光热发电如何破解成本难题，实现规模化破局？ "简单来说，光热发电设备就是一个巨型'太阳能炉灶+热水壶+蒸汽机'组合体。"中国能建中国电力工程顾问集团西北电力设计院有限公司（以下简称"中国 能建西北院"）新疆哈密"光（热）储"1500兆瓦基地光热项目设计总工程师王鑫说，"比如，正在建设的哈密'光（热）储'基地项目，采用150兆瓦光热与1350 兆瓦光伏电站互补联动，通过配置熔盐电加热器，在光伏和光热储热部分之间建立能量转换的'桥梁'，将光伏的弃电转化为热能存储，再通过光热汽轮机发 电上网。" "与 ...

行 业 及 产 业 建筑装饰 2026 年 02 月 03 日 相关研究 证 券 研 究 报 告 证券分析师 袁豪 A0230520120001 yuanhao@swsresearch.com 唐猛 A0230523080003 tangmeng@swsresearch.com 研究支持 唐猛 A0230523080003 tangmeng@swsresearch.com 联系人 唐猛 A0230523080003 tangmeng@swsresearch.com 投资趋缓，利润承压 看好 ——建筑装饰行业 2025 年报前瞻题 本期投资提示： 请务必仔细阅读正文之后的各项信息披露与声明 本研究报告仅通过邮件提供给 博时基金 博时基金管理有限公司(researchreport@bosera.com) 使用。1 行 业 研 究 / 行 业 点 评 - ⚫ 2025 年固定资产投资增速放缓，基建、制造业、地产均呈现压力。基本面方 面，根据国家统计局数据，2025 年 1-12 月基础设施投资（全口径）同比- 1.5%，基础设施投资（不含电力）同比-2.2%。细分结构看，交通运输、仓储 和邮政业投资同比-1.2%， ...

Market Overview - The infrastructure sector increased by 1.49% compared to the previous trading day, with Guosheng Technology leading the gains [1] - The Shanghai Composite Index closed at 4067.74, up 1.29%, while the Shenzhen Component Index closed at 14127.1, up 2.19% [1] Key Stocks Performance - Guosheng Technology (603778) closed at 14.71, up 10.02% with a trading volume of 892,800 shares [1] - Suwen Electric Power (300982) closed at 21.41, up 5.36% with a trading volume of 64,700 shares [1] - China Nuclear Engineering (601611) closed at 15.88, up 3.59% with a trading volume of 604,100 shares [1] - Other notable stocks include Palm Holdings (002431) up 3.15% and Beixin Road and Bridge (002307) up 3.09% [1] Capital Flow Analysis - The infrastructure sector saw a net inflow of 190 million yuan from institutional investors, while retail investors experienced a net outflow of 38.83 million yuan [2] - Major stocks like China Railway (601390) had a net inflow of 138 million yuan from institutional investors [3] - Guosheng Technology (603778) had a net inflow of 87.57 million yuan from institutional investors, but a net outflow of 69.54 million yuan from retail investors [3] Trading Volume and Value - The trading volume for Guosheng Technology reached 12.85 billion yuan, indicating strong investor interest [1] - The total trading value for the infrastructure sector was significant, with China Electric Power (601669) recording a trading value of 1.1 billion yuan [2]

Core Viewpoint - The commencement of the 200 MW/400 MWh independent energy storage project in Shishan, Nanhai District, Foshan, Guangdong, marks a significant step in the region's energy infrastructure development, aiming to enhance energy regulation and stability in the power grid [1] Group 1: Project Details - The project is the first large-scale grid-connected energy storage station in Guangdong Province, utilizing a 220 kV voltage level [1] - It will employ advanced technologies such as liquid cooling systems and intelligent operation and maintenance [1] - Upon completion, the facility will provide a daily power regulation capacity of 400 MWh, serving as an "energy regulator" and "safety stabilizer" for the Foshan power grid [1] Group 2: Company Initiatives - The company has been actively expanding its new energy storage business by constructing various demonstration projects, including flywheel and electrochemical energy storage [1] - It aims to optimize energy structure and ensure power safety through the development of transmission, transformation, and new energy projects in Guangdong [1] - The company plans to concentrate its resources and expertise to create high-quality benchmark projects, ensuring timely production and stable operation [1]

Group 1 - The core viewpoint of the article highlights the performance of the Infrastructure ETF Huaxia (159635), which rose by 1.24% to 1.140 yuan with a trading volume of 8.1113 million yuan as of the midday close on February 3 [1] - The major holdings of the Infrastructure ETF Huaxia include several companies, with notable increases in stock prices: XCMG Machinery up 2.75%, Zoomlion up 4.40%, and Sany Heavy Industry up 2.20% [1] - The performance benchmark for the Infrastructure ETF Huaxia is the CSI Infrastructure Index return, managed by Huaxia Fund Management Co., Ltd. Since its establishment on June 28, 2022, the fund has achieved a return of 12.52%, with a monthly return of 0.75% [1]

Core Viewpoint - China Energy Construction Group (China Energy) is launching its first mining project in Hainan, focusing on technological innovation to empower traditional industries and aiming to create a "future mine" that is smart and green [4][10]. Investment Overview - The total investment for the Daling granite mining project in Ding'an County is approximately 2.045 billion yuan, covering an area of 0.71 square kilometers with a recoverable reserve of over 33.2 million cubic meters, expected to be operational by the end of March 2025 [5][6]. - The project benefits from Hainan's free trade port policies, which include zero tariffs on imported production equipment, significantly reducing operational costs [6]. Technological Empowerment - The project features nine unmanned electric mining trucks that operate efficiently through the integration of 5G and AI technologies, achieving three times the transportation efficiency compared to traditional methods [8][9]. - AI-driven systems enable automated loading, intelligent inspections, and real-time monitoring, reducing the workforce by over 50% and increasing production efficiency by over 30% [9]. Sustainability Initiatives - The mining project incorporates a green energy utilization model, combining distributed energy sources with intelligent management, aiming for an annual power generation of approximately 4.05 million kWh and a reduction of 3,260 tons of CO2 emissions per year [10][11]. - A carbon emission management platform has been established to monitor and analyze energy consumption and carbon emissions throughout the mining process, achieving a 70% reduction in unit energy consumption compared to industry averages [11]. Environmental Impact - The project has improved vegetation coverage from less than 10% to 85% by planting over 4,200 economic crops and implementing a 3D model for resource planning and ecological restoration [11]. - The project has been recognized as a provincial-level green mine, reflecting its commitment to ecological and economic benefits [11].

Investment Rating - The report rates the industry as "Buy" [1] Core Insights - The cleanroom market is expanding due to increased investment in high-tech industries, benefiting companies like Yaxiang Integration, with related companies including Shenghui Integration and Bocheng Co., Ltd. [3][4] - The real estate market is showing signs of marginal improvement, with significant potential for transformation and development [5] Summary by Sections Cleanroom Industry - The growth in high-tech industry investments is driving the expansion of the cleanroom market, with Micron Technology planning to invest $24 billion in a NAND factory in Singapore over the next decade, which will include 700,000 square feet of cleanroom space [4] - The World Semiconductor Trade Statistics (WSTS) predicts a 26.3% increase in the global semiconductor market by 2026, reaching $975 billion, further supporting the cleanroom industry's growth [4] - Yaxiang Integration's parent company reported a consolidated revenue of NT$9.5 billion (approximately RMB 2.1 billion) in December, a year-on-year increase of 165.2% [4] Real Estate Market - The Central Economic Work Conference in December 2025 emphasized stabilizing the real estate market through targeted policies, including controlling inventory and encouraging the acquisition of existing properties for affordable housing [5] - An article published on January 2, 2026, highlighted the importance of managing expectations in the real estate market, which has significant financial asset attributes and broad social implications [5] Recommended Companies - The report recommends Yaxiang Integration for the cleanroom sector, with related companies including Bocheng Co., Ltd. and Shenghui Integration [7] - Other sectors recommended include commercial aerospace, controllable nuclear fusion, and renewable energy, with specific companies highlighted for each sector [7]

Investment Rating - The report maintains a "Buy" rating for key companies in the construction central enterprises sector, including China Railway, China Chemical, China Construction, and China Metallurgical [12][13][32]. Core Insights - The construction central enterprises are expected to see improved profitability driven by policy goals aimed at stabilizing investment. Order data shows a recovery in order growth starting from Q2 2025, with an anticipated narrowing of performance declines by Q4 2025 [1][16]. - The overall valuation of the nine major construction central enterprises is at historical lows, with a Price-to-Book (PB) ratio of 0.45 and a Price-to-Earnings (PE) ratio of 6.66, indicating strong safety margins [2][19]. - Institutional holdings in the construction sector are at low levels, suggesting a healthy chip structure and potential for recovery in key stocks [3][22]. Summary by Sections Order Growth and Performance - Cumulative order growth rates for construction central enterprises from Q1 to Q4 2025 are -2.0%, +0.2%, +1.3%, and +1.0%, respectively, indicating a recovery trend [1][16]. - The report anticipates that the performance decline of construction central enterprises will narrow in Q4 2025 due to improved order growth [1][16]. Valuation Metrics - As of January 30, 2026, the overall PB for the nine major construction central enterprises is 0.45, slightly above the historical low of 0.42, while the overall PE is 6.66, still below the historical median of 7.66 [2][19]. Institutional Holdings - As of Q4 2025, active funds hold 0.40% of the construction sector, while index funds hold 0.16%, leading to a combined holding of 0.28%, significantly lower than the 0.7%-1% range seen in 2021-2022 [3][22]. Catalysts for Growth - Several potential catalysts for the construction central enterprises include resource business revaluation for China Railway, chemical price rebounds for China Chemical, and increased investment in the power grid for China Electric Power and China Energy Construction [4][26]. - The upcoming "14th Five-Year Plan" is expected to bring about fiscal policies that could further stimulate the sector [4][26]. Recommended Stocks - Key recommendations include: - China Railway (A/H): Benefiting from resource revaluation, with a combined value of 1,894 billion CNY for its resource and engineering segments, indicating a potential upside of 35% [5][27]. - China Chemical: Positioned to benefit from chemical price rebounds, with a current PB of 0.84, indicating a strong safety margin [9][28]. - China Construction: Expected to benefit from stabilizing real estate expectations, with a projected dividend yield of 5.5% [10][30]. - China Metallurgical: Anticipated to improve significantly post divestment of its loss-making real estate business, with a combined valuation potential of 794 billion CNY [11][31].

Investment Rating - The report maintains a "Buy" rating for key companies in the construction central enterprises sector, including China Railway, China Chemical, China Construction, and China Metallurgical [12][13][32]. Core Insights - The construction central enterprises are expected to see improved profitability driven by policy goals aimed at stabilizing investment and increasing central budget investment in 2026. Order growth has shown signs of recovery, with cumulative order growth rates for 2025 Q1-Q4 at -2.0%, +0.2%, +1.3%, and +1.0% respectively, indicating resilience among leading firms [1][16]. - The overall valuation of the nine major construction central enterprises is at historical lows, with a Price-to-Book (PB) ratio of 0.45 and a Price-to-Earnings (PE) ratio of 6.66, suggesting a strong margin of safety for investors [2][19]. - Institutional holdings in the construction sector are at low levels, with active funds holding only 0.40% of the sector, indicating significant underweighting compared to historical averages [3][22]. Summary by Sections Order Growth and Market Conditions - The report highlights a recovery in order growth for construction central enterprises, with expectations for performance improvement in Q4 2025 as orders stabilize and infrastructure investment accelerates in 2026 [1][16]. - The central government's focus on stabilizing investment and increasing budget allocations is expected to support revenue and profit growth for these enterprises [1][16]. Valuation Metrics - As of January 30, 2026, the construction central enterprises exhibit a PB of 0.45, slightly above the historical low of 0.42, and a PE of 6.66, which is still below the historical median of 7.66, indicating a favorable entry point for investors [2][19]. Institutional Holdings - As of Q4 2025, the construction sector's market capitalization represents only 1.6% of the total A-share market, with a significant reduction in institutional holdings compared to previous years, suggesting potential for recovery in stock prices as institutional interest returns [3][22]. Catalysts for Growth - Several catalysts are identified for the construction central enterprises, including resource revaluation for China Railway, chemical price rebounds for China Chemical, and increased investment in power grid infrastructure benefiting China Electric Power and China Energy Construction [4][26]. - The upcoming Two Sessions and the start of the 14th Five-Year Plan in 2026 are expected to bring additional fiscal policies that could further stimulate the sector [4][26]. Recommended Stocks - Key recommendations include: - **China Railway (A/H)**: Strong resource base with significant revaluation potential, estimated combined value of 1,894 billion CNY for A shares and 1,535 billion CNY for H shares, indicating a 35% and 54% upside respectively [5][27]. - **China Chemical**: Positioned to benefit from chemical price rebounds, with a current PB of 0.84, indicating a solid margin of safety [9][28]. - **China Construction**: Expected to benefit from stabilizing real estate expectations, with a projected dividend yield of 5.5% [10][30]. - **China Metallurgical**: Anticipated to improve significantly post divestment of loss-making real estate operations, with a potential valuation increase of 22% to 74% [11][31].

Core Viewpoint - China Energy Engineering Corporation (China Energy) has no plans for a Hong Kong stock buyback and emphasizes its commitment to stable cash dividends and high-quality development [1] Group 1 - The company has confirmed that there is currently no plan for a stock buyback in the Hong Kong market [1] - China Energy is committed to maintaining a stable cash dividend policy [1] - The company focuses on high-quality development, innovation-driven strategies, and refined management practices [1]