证券研究报告 | 2025年12月29日 | 晨会纪要 | | --- | | 数据日期:2025-12-26 | 上证综指 | 深证成指沪深 | 300 指数 | 中小板综指 | 创业板综指 | 科创 50 | | --- | --- | --- | --- | --- | --- | --- | | 收盘指数（点） | 3963.67 | 13603.89 | 4657.24 | 14573.33 | 3934.70 | 1345.82 | | 涨跌幅度（%） | 0.10 | 0.53 | 0.31 | 0.38 | -0.09 | -0.23 | | 成交金额（亿元） | 8936.44 | 12665.47 | 4604.26 | 4672.38 | 5713.13 | 451.90 | $\frac{\pi\times6}{\pi\times6}$. 【重点推荐】 行业与公司 建筑行业快评:洁净室工程点评-为何洁净室能成为 AI 基建主线？ 华图山鼎(300492.SZ) 深度报告:公考热下竞争格局重塑，产品创新抢占 成长先机 【常规内容】 宏观与策略 宏观周报:宏观经济周报-当基期调整遇上价格回 ...

Core Insights - The year 2025 witnessed a significant reshaping of the global business landscape driven by AI, with OpenAI emerging as a "shadow giant" despite not being publicly listed, influencing market valuations through orders and narratives [1][3] - Nvidia became the world's first company to reach a market capitalization of $5 trillion, while Google aggressively pursued AI pricing power [1][3] - The year marked a collision of old and new orders, characterized by a mix of high-stakes bets and reversals, reshaping technology, capital, and the direction of the era [1][3] Group 1: Major Events - The U.S. government launched the "Stargate" initiative, committing $500 billion to build 20 large-scale AI data centers, but faced challenges in execution, leading to a significant reduction in project scope [5][6] - CoreWeave went public with a valuation of approximately $230 billion, marking the first public market pricing of AI computing power, and secured substantial long-term contracts with major clients [7][9] - Nvidia invested $5 billion in Intel, marking a strategic partnership aimed at enhancing competitiveness in the PC and data center markets [11][13] Group 2: OpenAI's Market Influence - OpenAI, although not publicly traded, became a key driver of market sentiment, with its initiatives and financial performance causing significant fluctuations in stock prices across the AI sector [15][17] - The company faced scrutiny over its financial sustainability, with concerns about its revenue and valuation mismatch leading to a decline in market confidence [19] - By the end of the year, OpenAI's perceived value shifted from a premium label to a risk exposure, reflecting the changing dynamics in the AI market [19] Group 3: Industry Dynamics - The AI competition evolved from a focus on strength to considerations of cost-effectiveness and usability, with Google positioning itself to challenge Nvidia's dominance in AI infrastructure [38][39] - The automotive industry saw a significant policy reversal in Germany, allowing internal combustion engines to remain viable beyond 2035, highlighting the tension between aggressive transition goals and market realities [33][34] - SpaceX's record number of launches in 2025 redefined the concept of "industrialized space," showcasing the potential for scalable operations in the aerospace sector [28][30]

证券研究报告·行业深度报告·电子 电子行业深度报告 AI 基建，光板铜电—光&铜篇 主流算力芯片 Scale up&out 方案全解析 增持（维持） [Table_Tag] [Table_Summary] 投资要点 ◼ 产业链相关公司： 光芯片：长光华芯、源杰科技、仕佳光子等 铜缆：华丰科技、兆龙互连、沃尔核材等 ◼ 风险提示：算力互联需求不及预期，客户拓展及份额提升不及预期，产 品研发及量产落地不及预期，行业竞争加剧 -15% -8% -1% 6% 13% 20% 27% 34% 41% 48% 2024/12/27 2025/4/27 2025/8/26 2025/12/25 电子 沪深300 相关研究 《从云端算力国产化到端侧 AI 爆发， 电子行业的戴维斯双击时刻——电子 行业 2026 年投资策略》 2025-12-10 2025 年 12 月 27 日 证券分析师 陈海进 执业证书：S0600525020001 chenhj@dwzq.com.cn 研究助理 解承堯 执业证书：S0600125020001 xiechy@dwzq.com.cn 行业走势 《Credo 营收超预期&Marvell 收 ...

Investment Rating - The investment rating for the cleanroom engineering sector is "Outperform the Market" (maintained) [2][3]. Core Insights - The cleanroom engineering sector is becoming a key focus in AI infrastructure as capital expenditures shift towards engineering investments, with cleanroom projects representing a significant portion of this trend [5][6]. - Major companies in the cleanroom sector, such as Yaxiang Integration and Shenghui Integration, are positioned to benefit from the increasing demand for cleanroom construction driven by the urgent expansion needs of leading firms like Micron [5][28]. - The cleanroom engineering segment is critical for the AI computing industry, accounting for approximately 60% of engineering investments related to chip production [16][18]. Summary by Sections Market Performance - From December to the present, major cleanroom sector stocks have seen significant increases, with Yaxiang Integration rising by 74%, Shenghui Integration by 60%, and Meiyai Technology by 52% [4]. Industry Dynamics - The cleanroom engineering industry is experiencing explosive growth in demand due to the global AI capacity expansion, which is currently constrained by limited construction capabilities [22][23]. - The complexity and customization of cleanroom projects create high entry barriers, resulting in strong customer loyalty and long-term relationships between clients and engineering service providers [25][27]. Future Outlook - As AI infrastructure transitions from procurement to construction, the proportion of capital expenditure directed towards engineering will significantly increase, making cleanroom engineering a central component of this evolution [6][28]. - The cleanroom engineering market is expected to continue its upward trajectory, driven by the urgent needs of major clients and the limited supply of qualified engineering resources [23][28].

Investment Rating - The investment rating for the cleanroom engineering industry is "Outperform the Market" (maintained) [2][3]. Core Insights - The cleanroom engineering sector is becoming a key focus in AI infrastructure as capital expenditures shift towards engineering investments, with cleanroom projects representing a significant portion of this trend [5][6]. - Major players in the cleanroom sector, such as Yaxiang Integration and Shenghui Integration, are positioned to benefit from the urgent expansion needs of leading companies like Micron, which are willing to pay a premium for expedited construction [5][28]. - The cleanroom engineering segment is critical for the AI computing supply chain, accounting for approximately 60% of engineering investments related to chip production [16][18]. Summary by Sections Market Performance - From December to the present, key cleanroom stocks have seen significant price increases, with Yaxiang Integration rising by 74%, Shenghui Integration by 60%, and Meiyai Technology by 52% [4]. Industry Dynamics - The transition from procurement to construction in AI infrastructure is leading to structural changes in capital expenditures, with a notable increase in engineering investment proportions [5][6]. - The cleanroom construction capacity is currently a bottleneck for global AI production expansion, driven by surging demand and limited supply of qualified engineers [22][23]. Client Relationships - High customer loyalty creates significant entry barriers in the cleanroom engineering industry, as clients are sensitive to quality and timelines, leading to strong binding relationships with a few trusted suppliers [25][27]. Investment Recommendations - The report recommends investing in Shenghui Integration and Yaxiang Integration, as they are uniquely positioned to leverage their parent companies' resources and technology in overseas markets [28].

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Group 1 - The core viewpoint of the report is that the mechanical equipment industry is rated as "recommended" with investment suggestions focusing on growth and cyclical opportunities, particularly in humanoid robots and AI infrastructure [1] - The mechanical equipment industry has seen a significant increase of 48.96% from the beginning of 2025 to November 30, 2025, outperforming the CSI 300 index, which rose by 15.04%, resulting in a relative return of 33.92% [2] Group 2 - The manufacturing PMI has declined, and export orders have contracted, indicating pressure on demand, particularly from external sources, while companies are in a "proactive destocking" phase [3] - Despite the macroeconomic fluctuations, the structural trend of industrial upgrading is expected to drive the industry towards high-end and intelligent development [3] Group 3 - Investment in humanoid robots is driven by a reversal in sentiment and clear bottom characteristics, with production nearing critical mass both domestically and internationally [4] - Recommended stocks in this sector include Hengli Hydraulic, Sanhua Intelligent Controls, and others [4] Group 4 - The gas turbine sector is experiencing a historic opportunity due to the power gap in North America, driven by AI computing demands [5] - Recommended stocks include Dongfang Electric, Shanghai Electric, and others [5] Group 5 - The liquid cooling sector is transitioning from "air cooling limits" to "liquid cooling necessities," driven by the exponential growth in AI chip power consumption [6] - Recommended stocks include Invec, Shenli Environment, and others [6] Group 6 - The engineering machinery sector is expected to recover due to domestic demand and policy support, with significant growth potential in overseas markets [7] - Recommended stocks include Sany Heavy Industry, XCMG, and others [7] Group 7 - The mining machinery sector is poised for growth due to rising global capital expenditures and a shift from import reliance to self-sufficiency [9] - Recommended stocks include XCMG, Northern Heavy Industries, and others [9]

Core Insights - Nobikang AI Technology Co., Ltd. officially listed on the Hong Kong Stock Exchange on December 23, 2025, marking a significant milestone in the AI infrastructure sector [1] - The company has positioned itself as a key player in AI infrastructure by focusing on three major areas: transportation, energy, and urban governance, leveraging its technology for large-scale applications in critical infrastructure [1] Business Product Layout - Nobikang's core competitiveness is highlighted by its deep accumulation in the AI infrastructure field, supported by its self-developed NBK-INTARI AI platform, which boasts a defect identification accuracy of over 90% and a cross-scenario reuse rate exceeding 70% [2] - In the AI + transportation sector, the company ranks third in China for "rail transit AI + detection and monitoring solutions" based on projected 2024 revenue, addressing traditional operational efficiency and cost issues with its intelligent identification systems and precision inspection robots [2] - In the AI + energy sector, Nobikang is the second-largest provider of "AI + power supply detection and monitoring systems" in China, holding a market share of approximately 5.9%, with its intelligent inspection solutions achieving around 90% accuracy [2] Future Development and Fund Utilization - The funds raised from the listing will be allocated to four main areas: approximately 40% for continued research on core technologies, 40% for building a research and development center and new headquarters, 10% for seeking strategic investment and acquisition opportunities, and the remaining 10% for working capital and general corporate purposes [3] - The company aims to enhance the integration of embodied intelligence with infrastructure operations, focusing on upgrading the autonomous adaptability and interaction capabilities of intelligent inspection robots [3] - Industry analysts suggest that Nobikang is well-positioned to benefit from the ongoing demand in the AI infrastructure market and the accelerated commercialization of embodied intelligence technology, which will enhance its competitive advantage and provide long-term stable returns for investors [3]