丨证券研究报告丨 行业研究丨行业周报丨通信设备Ⅲ [Table_Title] 通信周观点：GTC/OFC 光互联技术迸发，国内 云厂商 AI 服务调价 报告要点 [Table_Summary] 2026 年第 11 周，通信板块上涨 1.96%，在长江一级行业中排名第 1 位；2026 年年初以来， 通信板块上涨 6.8%，在长江一级行业中排名第 7 位。GTC 2026，英伟达发布推理"五机柜" 方案，Scale-out 光互连迎新增量。OFC 2026，AI 驱动光通信行业迎指数级增长，头部企业加 速产能扩张，CPO/NPO/OCS/XPO 多技术路径落地。AI 需求爆发叠加供应链成本上涨，国内 头部云厂商密集调价。 分析师及联系人 [Table_Author] 于海宁 SAC：S0490517110002 SFC：BUX641 请阅读最后评级说明和重要声明 %% %% %% %% research.95579.com 1 通信设备Ⅲ cjzqdt11111 [Table_Title 通信周观点：2]GTC/OFC 光互联技术迸发，国内 云厂商 AI 服务调价 [Table_Summary2] 板块行情 ...

汽车与零部件行业 行业研究 | 行业周报 能源安全将促进我国新能源车出海，关注 出海链整车及汽零 核心观点 投资建议与投资标的 从投资策略上看，预计部分强α整车及汽零公司有望抵御行业风险，实现营收及盈利增 长；数据中心液冷及燃气发电产业链、能确定进入特斯拉、Figure、智元、宇树等机器人 配套产业链的汽零及高级别自动驾驶产业链将持续迎来催化。建议持续关注部分竞争力 较强的出海整车、燃气发电机/柴发产业链、人形机器人链、液冷产业链、智驾产业链公 司。 整车相关标的：比亚迪、吉利汽车、上汽集团、江淮汽车、赛力斯等；燃气发电机相关 标的：银轮股份、潍柴动力；液冷相关标的：英维克、银轮股份、拓普集团、飞龙股 份、川环科技等；机器人相关标的：新泉股份、拓普集团、银轮股份、岱美股份、三花 智控、浙江荣泰、旭升集团、嵘泰股份、斯菱智驱、爱柯迪、精锻科技、博俊科技、沪 光股份等；智驾相关标的：经纬恒润、伯特利、德赛西威等。 风险提示 宏观经济下行影响汽车需求、上游原材料价格波动影响、车企价格战压力。 国家/地区 中国 行业 汽车与零部件行业 报告发布日期 2026 年 03 月 23 日 中性（维持） | 姜雪晴 | 执业 ...

Group 1: Space Photovoltaics and Computing - The TERAFAB project aims to establish a chip manufacturing facility with a target annual capacity of 1 terawatt (1TW), with 80% of production dedicated to space missions[9] - The demand for solar power is expected to surge due to the deployment of AI satellites and the need for high-efficiency solar systems in space[10] - The transition of space photovoltaics from auxiliary power units to essential energy infrastructure for space computing is anticipated to drive significant growth in this sector[10] Group 2: 3D Printing Advancements - The 3D printing industry is experiencing growth due to improved equipment efficiency and reduced material costs, particularly in aerospace and consumer electronics[11] - Metal 3D printing is becoming a key technology for intelligent manufacturing, with applications expanding in various fields including AI computing and aerospace[11] - The price of titanium alloy powder for 3D printing has halved from 600 yuan/kg to below 300 yuan/kg, opening new application scenarios[33] Group 3: Home Products and AI Integration - Companies like Gujia Home and Mousse are focusing on smart and functional home products, with Gujia's new product line achieving over 15,000 orders within 24 hours of launch[44] - Mousse is collaborating with Huawei to create a comprehensive sleep solution, integrating AI technology into their product offerings[49] - The home furnishings sector is witnessing a shift towards smart, functional products that address consumer pain points, enhancing market competitiveness[44]

汽车与零部件行业 行业研究 | 行业周报 能源安全将促进我国新能源车出海，关注 出海链整车及汽零 核心观点 投资建议与投资标的 从投资策略上看，预计部分强α整车及汽零公司有望抵御行业风险，实现营收及盈利增 长；数据中心液冷及燃气发电产业链、能确定进入特斯拉、Figure、智元、宇树等机器人 配套产业链的汽零及高级别自动驾驶产业链将持续迎来催化。建议持续关注部分竞争力 较强的出海整车、燃气发电机/柴发产业链、人形机器人链、液冷产业链、智驾产业链公 司。 整车相关标的：比亚迪、吉利汽车、上汽集团、江淮汽车、赛力斯等；燃气发电机相关 标的：银轮股份、潍柴动力；液冷相关标的：英维克、银轮股份、拓普集团、飞龙股 份、川环科技等；机器人相关标的：新泉股份、拓普集团、银轮股份、岱美股份、三花 智控、浙江荣泰、旭升集团、嵘泰股份、斯菱智驱、爱柯迪、精锻科技、博俊科技、沪 光股份等；智驾相关标的：经纬恒润、伯特利、德赛西威等。 风险提示 ⚫ 油价中枢上行及能源安全战略地位上升将推动全球新能源渗透率提升，我国新能源 车出海将迎机遇。据媒体报道，美伊冲突引发的油价上涨正在亚太地区掀起电动车 抢购潮，近期比亚迪、上汽名爵等国内车企新 ...

Summary of AIDC Liquid Cooling Update - GTC Conference 2026 Industry Overview - The report focuses on the liquid cooling industry, particularly advancements in cooling technologies and supply chain dynamics related to data center equipment, specifically the new Rubin series and its components [1][2]. Key Points and Arguments Product Advancements - The Rubin series has increased power consumption to 200-220 kW and comes standard with full liquid cooling, raising the value of a single cabinet cold plate from $25,000 (GB300) to $52,000 [1]. - The design shift from small to large cold plates, incorporating 150-micron microchannel technology, has increased the value of a single cold plate from $200 to $800 [1]. - The price of Quick Disconnect (QD) connectors has risen to $80-90 due to increased flow requirements, with total cabinet value for QD connectors estimated at $11,000 to $12,000 [1][4]. - The CDU (Cooling Distribution Unit) specifications have increased from 1.3 MW to 2.3 MW, with prices rising to $450,000, leading to a 50% increase in per-cabinet value [1]. Supply Chain Dynamics - NVIDIA may tighten AVL (Approved Vendor List) certifications and standardize liquid cooling architectures, solidifying the positions of Taiwanese and European suppliers while creating opportunities for mainland Chinese companies to shift towards OEM production [1][3]. - Current suppliers' positions are stable, with no significant changes in the supplier landscape despite attempts by new entrants to join NVIDIA's supply chain [2][3]. Component Value Changes - The Rubin series has significantly improved power consumption and liquid cooling solutions compared to the GB300 series, with specific value changes: - Cold plates: Total value per cabinet increased to approximately $52,000 due to the new design and additional components [3]. - QD connectors: The number required per cabinet decreased from 270 to 140, but the price per pair increased, leading to a total value of $11,000 to $12,000 per cabinet [4]. - Manifold value remains stable at around $20,000 per cabinet [4]. Cooling Technology Trends - The 45-degree warm water technology will not completely replace chillers, as data centers still require backup chillers for extreme weather conditions [5]. - The trend towards magnetic levitation compressors is clear, as they significantly reduce PUE (Power Usage Effectiveness) and have minimal mechanical wear, making them suitable for modern data center operations [5]. Investment Opportunities Recommended Companies 1. **Cabinet External (Primary Side)**: - Focus on companies like Shenli Environment for chiller production, Lianchuang Co. for compressor parts, and Xue Ren Co. for magnetic levitation compressors [6]. 2. **CDU**: - Recommended companies include Shenli Environment and Invec, which have strong capabilities in data center design and delivery, appealing to non-NVIDIA CSP clients [6]. 3. **Cabinet Internal (Secondary Side)**: - Starry Technology is highlighted as a leading OEM for QD connectors, benefiting from expected order doubling from Danfoss in 2026, with potential expansion into other core products [6]. Additional Important Insights - The shift in supply chain dynamics and the tightening of NVIDIA's certification process may create significant OEM opportunities for mainland Chinese companies, particularly those with production capabilities [3]. - The overall trend in the liquid cooling industry indicates a move towards higher efficiency and integration of advanced technologies, which could reshape competitive dynamics in the sector [5].

Core Viewpoint - The article highlights the growing interest and investment in liquid cooling systems for AI data centers, particularly with Google negotiating with Chinese companies like Invec for procurement, indicating a competitive landscape in global AI infrastructure development [1][3]. Group 1: Market Developments - Google is reportedly in talks with Invec and other Chinese firms for data center liquid cooling equipment, emphasizing the increasing demand for advanced cooling solutions due to high-density computing [3]. - Invec's stock has surged over 400% in the past year, reflecting strong market performance and investor interest in the liquid cooling sector [1]. - The liquid cooling server index has seen a rise of over 100% from April 9 of the previous year to March 11 of this year, with Invec's stock increasing by more than 330% during the same period [3]. Group 2: Market Potential - The global AI server liquid cooling system market is projected to grow from $8.9 billion last year to over $17 billion by 2026, driven by demand from cloud service providers deploying custom AI chips [6]. - The AI industry is expected to grow at a compound annual growth rate (CAGR) of 42% from 2022 to 2032, reaching $1.3 trillion by 2032 [6]. - The Chinese liquid cooling server market is forecasted to reach 29.4 billion yuan by 2025 and exceed 40 billion yuan by 2027, indicating significant domestic growth potential [6]. Group 3: Investment Opportunities - Investment opportunities in liquid cooling are identified in three main areas: high-power chip cooling, data center applications, and thermal management for electric vehicle batteries [7]. - Invec is expected to see sequential revenue growth in its liquid cooling business, with potential orders from Google for cooling distribution units and other components [7]. - The market for liquid cooling systems is highly segmented, with various suppliers providing different components, and Chinese manufacturers are gaining market share due to local demand and cost advantages [7].

Core Viewpoint - The article discusses the recent downturn in the A-share market, highlighting the unexpected declines despite initial optimism surrounding events like the GTC conference and the performance of various sectors, particularly real estate and technology [1][5][9]. Market Performance - From March 2 to March 17, the number of declining stocks in the A-share market fluctuated significantly, with peaks of over 4,800 stocks on March 3 and 4,523 on March 17, indicating a bearish trend [4]. - On March 17, the three major indices closed down, with the Shanghai Composite Index falling by 0.85%, the Shenzhen Component by 1.87%, and the ChiNext by 2.29%. The total market turnover was 22,247.26 billion yuan, a decrease of 1,153.86 billion yuan from the previous day [16]. Sector Analysis - The real estate sector has seen mixed signals, with some stocks initially rising but ultimately facing pressure due to broader market trends. The article notes that new housing sales are weak, while second-hand housing remains stable, indicating a lack of strength in the overall market [10]. - The technology sector, particularly stocks related to computing power hardware, experienced significant declines following the GTC conference, with companies like Tianfu Communication and Longguang Huaxin dropping over 10% [16]. Investment Sentiment - There is a prevailing sentiment of caution among investors, with many opting to reduce exposure amid geopolitical tensions and market volatility. The article suggests that controlling positions and adopting a wait-and-see approach may be prudent in the current environment [13][16]. - The article also highlights the potential for foreign capital inflows into Hong Kong, driven by geopolitical factors, as some investors consider reallocating assets due to instability in the Middle East [12][11]. Price Adjustments - Several companies have announced price increases for their products due to rising raw material costs, with Li Min Co. raising prices by 10%-15% for certain pesticides and chemicals, and Murata announcing price hikes of 15%-35% for passive components [21][23]. - The price of Vitamin A has surged by 35% since the end of February, reflecting broader inflationary pressures in the agricultural and chemical sectors [21]. Regulatory Environment - Recent regulatory changes in China have tightened the IPO process for red-chip companies in Hong Kong, which may increase listing costs and affect foreign investment dynamics [13].

Investment Rating - The report maintains a neutral investment rating for the automotive and parts industry [5] Core Insights - Rising oil prices are expected to accelerate the penetration of new energy vehicles (NEVs) globally, benefiting domestic brands as they expand into overseas markets [12] - The implementation of vehicle replacement policies and new car launches are anticipated to lead to a marginal recovery in domestic passenger car demand in the second quarter [13] - The impact of geopolitical conflicts on overseas gas power generation demand is expected to be minimal, suggesting continued interest in gas power generation companies [14] Summary by Sections Investment Recommendations and Targets - Strong alpha automotive parts companies are expected to withstand industry risks and achieve revenue and profit growth. Key sectors to watch include gas power generation, humanoid robotics, liquid cooling, and advanced driving technology [15] - Recommended stocks include: - Gas power generation: Yinlun (002126, Buy), Weichai Power (000338, Not Rated) - Liquid cooling: Invo (002837, Not Rated), Yinlun (002126, Buy), Top Group (601689, Buy), Feilong (002536, Not Rated), Chuanhuan Technology (300547, Not Rated) - Robotics: Xinquan (603179, Buy), Top Group (601689, Buy), Yinlun (002126, Buy), Daimi (603730, Buy), Sanhua Intelligent Control (002050, Buy) - Advanced driving: Jingwei Hengrun (688326, Buy), Bertley (603596, Buy), Desay SV (002920, Buy) - Complete vehicles: BYD (002594, Not Rated), Geely (00175, Buy), SAIC (600104, Buy), JAC Motors (600418, Not Rated), Seres (601127, Not Rated) [16] Market Trends - In February, the wholesale sales of narrow-sense passenger cars in China reached 1.518 million units, a year-on-year decrease of 14.3% and a month-on-month decrease of 23.0% [18] - The wholesale sales of new energy passenger cars in February were 723,000 units, down 13.1% year-on-year and 16.6% month-on-month, with a penetration rate of 47.6% [21] Company Announcements - NIO reported a revenue of 87.488 billion yuan for 2025, a year-on-year increase of 33.1%, with a gross margin of 13.6% [41] - Li Auto's revenue for 2025 was 11.231 billion yuan, a year-on-year decrease of 22.3%, with a gross margin of 18.7% [42]

Investment Rating - The industry investment rating is "Positive" (maintained) [1] Core Insights - The upcoming GTC conference is expected to showcase advancements in GPU architecture, power supply upgrades, and liquid cooling technologies, which will further solidify the global computing ecosystem and accelerate the commercialization of core components and supporting infrastructure [3][12] - The OFC conference is anticipated to highlight the ongoing upward trend in the optical communication sector, with significant developments in high-speed optical modules and advanced packaging technologies [4][15] - The report emphasizes the resonance of the global AI industry, recommending investment in four main areas: optical communication, liquid cooling, domestic computing power, and satellite technology [5][13] Summary by Sections GTC and OFC Insights - The GTC conference will take place from March 16 to 19, 2026, focusing on new GPU architectures and related technologies [11] - The OFC conference will occur from March 15 to 19, 2026, showcasing advancements in high-speed optical modules and related technologies [15] Investment Recommendations - Recommended stocks in the optical communication sector include: Zhongji Xuchuang, Xinyi Sheng, Tianfu Communication, and Yuanjie Technology [13][17] - Beneficiary stocks include: Longfly Optical Fiber, Robot Technology, and others [13][16] - In the liquid cooling and power supply sectors, recommended stocks include: Yingweike and others [20][18] Market Review - The communication index experienced a slight decline of 0.12% during the week of March 9 to March 13, 2026 [25] 5G Infrastructure Data - By December 2025, the total number of 5G base stations in China reached 4.84 million, with a net increase of 588,000 stations from the previous year [27] - The number of 5G mobile phone users reached 1.204 billion, reflecting a year-on-year growth of 18.74% [27][29]

Investment Rating - The report suggests a focus on investment opportunities in the mechanical equipment industry, particularly in areas of domestic substitution and AI integration [4]. Core Insights - The "14th Five-Year Plan" emphasizes technological self-reliance and the autonomy of industrial chains, with a focus on key sectors such as integrated circuits, industrial mother machines, high-end instruments, and advanced materials [6]. - The report identifies significant growth potential in the domestic production of industrial mother machines and scientific instruments, driven by increased policy support and funding [6][19]. - AI integration into mechanical equipment is highlighted as a major trend, with the industry expected to benefit from AI-driven infrastructure investments [32]. - The report notes the ongoing trend of Chinese engineering machinery companies expanding overseas, transitioning from product exports to capacity exports [4][37]. Summary by Sections 1. Breakthrough in "Choke Point" Areas: Industrial Mother Machines and Scientific Instruments - The report indicates that the domestic substitution process for industrial mother machines and scientific instruments will accelerate, supported by government policies [6]. - The high-end machine tool market remains heavily reliant on imports, with opportunities for domestic manufacturers to increase their market share [7][18]. - The scientific instruments sector is characterized by a high import dependency, with over 70% of instruments imported, indicating a strong potential for domestic manufacturers to fill this gap [22][26]. 2. Deep Integration of AI and Mechanical Equipment - The report highlights that the mechanical equipment industry will benefit from AI-driven infrastructure investments, with significant capital expenditure expected from major cloud service providers [32]. - AI applications, particularly in embodied intelligence, are identified as having substantial growth potential, with various industrial and consumer applications anticipated [38]. 3. Engineering Machinery's Global Expansion - The report notes that the engineering machinery sector is transitioning from product exports to capacity exports, with a focus on high-quality international cooperation [4]. - The export value of China's engineering machinery is projected to reach $60.17 billion by 2025, reflecting a compound annual growth rate (CAGR) of 23% during the "14th Five-Year Plan" period [4]. 4. Investment Recommendations - The report recommends focusing on sectors where domestic substitution is expected to continue, such as industrial mother machines and scientific instruments [4]. - It also suggests monitoring the integration of AI with mechanical equipment and the engineering machinery sector's international expansion [4].