证券研究报告|行业周报 gszqdatemark 2026 03 01 年 月 日 通信 AI 与无人机驱动光纤新周期 在全球 AI 算力基础设施投资加速的背景下，光纤光缆行业迎来显著景 气上行。光纤价格较 2025 年已实现翻倍以上增长，供需格局阶段性偏 紧，行业从传统电信需求驱动转向 AI 数据中心与光纤无人机驱动的新 周期。 【价格端：散纤价格不断上涨，供应商集采出现暂停】 自 2025年末以来，光纤光缆零售价格不断上涨。据讯石光通讯网2026 年 2 月 G.652.D 裸纤价格已突破 30 元/芯公里，实际成交价多集中于 40-50 元之间，部分渠道价甚至超过 50 元/芯公里，累计涨幅高达 94% —144%。 光纤价格上涨，导致光缆成本与运营商招标限价形成倒挂，集采出现 暂停。广东电信 2026 年 1 月启动了 2 个光缆集采项目招标，均因投标 人高于最高限价而被暂停。后续为保证集采招标成功进行，运营商可 能会提高集采价格以提高项目竞争力。 光纤出口价格上涨，相比 2025 年初已实现翻倍以上。自 2026 年起， 中国向俄罗斯出口的光纤材料价格已提高了 2.5 至 4 倍。以 G.652D ...

Investment Rating - The report recommends a "Buy" rating for several companies within the technology sector, indicating a positive outlook for their stock performance over the next 12 months [31]. Core Insights - The report highlights key companies in the technology sector, including Jiangsu Technology (Electronics, Communication, Computer, Media) as top picks for March 2026 [5][9]. - The report emphasizes the growth potential in various sub-sectors, particularly in 3D printing, liquid cooling solutions, AI chips, and gaming [15][16][18][19][21]. Summary by Category Electronics - **Precision Electronics**: Expected to achieve a net profit of 0.8e-0.9e in 2025, a significant increase of 181.97%-192.21% year-on-year, driven by semiconductor orders and improved operational efficiency [15]. - **Han's Laser**: Anticipated explosive growth in 3D printing, with a potential market share increase due to demand from North American clients [15]. Communication - **Invech**: Projected net profits of 5.87 million, 10.47 million, and 15.35 million from 2025 to 2027, with a strong focus on liquid cooling solutions and overseas market expansion [16]. - **Rui Ming Technology**: Expected to recover from previous losses, with projected net profits of 3.81 million, 4.95 million, and 6.67 million from 2025 to 2027, driven by increased demand in commercial vehicle information systems [17]. Computer - **Haiguang Information**: Positioned as a leader in high-end CPUs and DCUs, benefiting from the growth of domestic AI computing power and collaboration with major tech firms [18]. - **Cambricon**: Anticipated to maintain strong growth in AI chip demand, supported by ongoing R&D and market trends [18]. Media - **Kaiying Network**: Expected to launch several new games in 2026, which are projected to drive revenue growth [19]. - **Perfect World**: Anticipated to release a new RPG game, "Yihuan," with high market expectations, contributing to future revenue growth [21].

Investment Rating - The industry investment rating is "Positive" (maintained) [1] Core Insights - Nvidia's performance exceeded expectations, with Q4 FY2026 revenue reaching $68.1 billion, a year-on-year increase of 73% and a quarter-on-quarter increase of approximately 19%. The data center business revenue was $62.3 billion, up 75% year-on-year and 22% quarter-on-quarter, driven by the continuous release of Blackwell and Blackwell Ultra products [5][13] - DeepSeek, in collaboration with Tsinghua University and Peking University, introduced the DualPath system to address storage bandwidth bottlenecks in LLM inference, achieving an average throughput increase of 1.96 times [6][16] - The global AI industry is expected to resonate, with significant capital expenditure increases from major players like Google and Meta, indicating a robust growth trajectory for AI-related sectors [14][18] Summary by Sections Nvidia Performance - Nvidia's Q4 FY2026 revenue was $68.1 billion, with a 73% year-on-year growth and a 19% quarter-on-quarter growth. Data center revenue reached $62.3 billion, marking a 75% year-on-year increase and a 22% quarter-on-quarter increase. The growth was primarily due to the release of Blackwell and Blackwell Ultra products, with the Grace Blackwell system contributing approximately two-thirds of the data center revenue [5][13][14] DeepSeek Innovation - DeepSeek's DualPath system addresses the KV-Cache storage bottleneck in LLM inference, significantly improving online inference throughput by 1.96 times. This innovation is seen as a milestone in AI computing, enhancing hardware utilization and facilitating the commercial application of large models [6][16] AI Industry Outlook - The report highlights a strong outlook for the AI industry, with major companies like Google and Meta increasing their capital expenditures significantly. This trend is expected to support the growth of AI computing and related technologies [14][18] Communication Data Tracking - As of December 2025, China had 4.84 million 5G base stations, with 1.204 billion 5G mobile users, reflecting an 18.74% year-on-year growth. However, 5G mobile phone shipments decreased by 27.3% year-on-year [28][30][41]

Investment Rating - The report maintains an "Overweight" rating for the industry, highlighting the growing demand for cooling solutions in interconnect systems as a significant investment opportunity [1]. Core Insights - The report emphasizes that the demand for AI computing power is surging, leading to increased power consumption in AI clusters. This trend is pushing the thermal management requirements from traditional chip-level solutions to include interconnect systems, making connector cooling a critical aspect of thermal management strategies [4][19]. - The report suggests that the global demand for computing power is expected to grow rapidly, driving the need for advanced cooling solutions in AI cluster interconnects. Companies such as Invec (002837), Ruikeda (688800), and AVIC Optoelectronics (002179) are highlighted as key players to watch in this market [4][19]. Summary by Sections 1. Power Consumption Surge and Cooling Demand Growth - AI computing power is experiencing exponential growth, with significant increases in power density from single chips to cabinet levels, surpassing traditional data center design limits. For instance, NVIDIA's GPU TDP is projected to rise from 700W for the H100 to 3700W for the VR200 NVL44 CPX by 2026 [4][19][20]. - The report notes that the average power density of data center cabinets is expected to increase significantly, with projections indicating that by 2025, the average power per cabinet will reach 25kW [21]. 2. Connector Cooling as a Key Thermal Management Component - The report discusses the expansion of thermal management boundaries from chips to interconnect systems, where components like high-speed connectors and optical modules are becoming significant heat sources [4][29]. - It highlights the transition of connector cooling from passive to active management, emphasizing the need for innovative thermal solutions to address the rising temperatures associated with high-power applications [39][45]. 3. Key Companies and Investment Strategies - The report identifies key companies in the connector cooling market, including Invec, Ruikeda, and AVIC Optoelectronics, suggesting that investors should focus on these firms as they capitalize on the growing demand for cooling solutions in AI clusters [4][19]. - The investment strategy outlined in the report encourages stakeholders to pay attention to the evolving landscape of AI computing and the associated thermal management needs, which present substantial investment opportunities [4][19].

| 北方华创 | -4.19 | -5.23亿元 | 电子 | | --- | --- | --- | --- | | 赛微电子 | -6.19 | -4.95亿元 | 电子 | | 通富微电 | -2.14 | -4.93亿元 | 电子 | | 特变电工 | -1.5 | -4.78亿元 | 电力设备 | | 海光信息 | -3.79 | -4.18亿元 | 电子 | | 高德红外 | -4.43 | -3.98亿元 | 国 防军_ | | 长飞光纤 | -2.25 | -3.97亿元 | 通信 | | 方正科技 | -7.29 | -3.95亿元 | 电子 | | 英维克 | -4.39 | -3.68亿元 | 机械设备 | *数据仅供参考，不构成投资建议 | 股票名称 | 涨跌幅 (%) | 主力资金流向 | 所属行 | | --- | --- | --- | --- | | 新易盛 | -5.95 | -22.38亿元 | 通信 | | 工业富联 | -4.68 | -17.03亿元 | 电子 | | 中际旭创 | -5.51 | -16.59亿元 | 通信 | | 胜宏科技 | -4.71 | -9 ...

每日复盘（2/26）：科技股带领美股连涨两日，英伟达盘后一度涨3%后回落，加密货币大反弹；A股延续放量上 涨，周期资源股再度走强 【海外】投资者押注英伟达强劲业绩将重新点燃AI交易热情，科技股连续第二个交易日反弹。 纳指涨1%，软件股ETF上涨3%。 科技七巨头全线上涨，盘后英伟达财报和指引远超预期，一度涨约3.5%后回落。 Circle暴涨35%，四季度财报好于预期。< 每日复盘（2/26）：科技股带领美股连涨两日，英伟达盘后一度涨3%后回落，加密货币大反弹；A股延续放量上 涨，周期资源股再度走强 【海外】投资者押注英伟达强劲业绩将重新点燃AI交易热情，科技股连续第二个交易日反弹。 纳指涨1%，软件股ETF上涨3%。 科技七巨头全线上涨，盘后英伟达财报和指引远超预期，一度涨约3.5%后回落。 Circle暴涨35%，四季度财报好于预期。 10Y美债收益率上行1.3BP至4.05%。 美元跌0.24%。 人民币四连涨，逼近6.85，创2023年4月以来高点。 比特币大涨近8%，逼近7万美元。 美国原油库存大幅增加，WTI原油跌0.77%。 金银延续反弹，黄金涨0.44%，白银涨2.2%。 【国内】上海发布楼市 ...

【中泰通信】重视华为昇腾链，950PR有望推出 昇腾950PR有望近期推出： 昇腾950芯片采用四die合封结构，包含2个计算die、2个IO die，通过CoWoS-L方式连 接。 近期良率爬坡和实际跑分有可能超预期。 近期良率爬坡和实际跑分有可能超预期。 互联网意愿或超预期： 随着TOKEN需求快速上量，算力需求急剧攀升，2026年有望成为国产算力大年。 国内互联网大厂有望自研+外采并重，其中华为有望凭借其生态链占据较高份额。 建议关注华为全产业链： 1、连接器：华丰科技、立讯精密、意华股份 2、光模块：华工科技、光迅科技 3、算力：华胜天成、神州数码、烽火通信 4、液冷：英维克、川润股份、申菱环境、高澜股份 5、交换芯片/交换机：盛科通信、锐捷网络 6、电源：泰嘉股份、杰华特 风险提示：产品进展不及预期，互联网下单节奏不及预期 欢迎联系：中泰通信团队及对口销售 3、 投资核心逻辑： 随着950的超预期落地，加上互联网龙头的强力示范效应，国产算力将从"能用"正式迈向"好 用"和"大规模必用"。 大厂抢算力犹如当年抢核心地段，需求确定性极高。 互联网意愿或超预期： 随着TOKEN需求快速上量，算力需求急剧攀 ...

回撤方面，截至2026年2月26日，大湾区ETF今年以来最大回撤5.52%，相对基准回撤0.02%。 流动性方面，大湾区ETF，成交0.00元。拉长时间看，截至2月26日，大湾区ETF近1周日均成交537.56万元。 费率方面，大湾区ETF管理费率为0.15%，托管费率为0.05%。 跟踪精度方面，截至2026年2月26日，大湾区ETF近1月跟踪误差为0.007%。 大湾区ETF紧密跟踪中证粤港澳大湾区发展主题指数，中证粤港澳大湾区发展主题指数反映受益于粤港澳大湾区发展相关上市公司的整体表现。该指数系列 包含中证港股通粤港澳大湾区发展主题指数、中证沪港深粤港澳大湾区发展主题指数和中证粤港澳大湾区发展主题指数，分别从港股通合资格证券范围、沪 港深三地上市公司及内地市场中的粤港澳大湾区企业中选取符合湾区发展主题的最大50只香港市场证券、最大300家公司及最大100只内地市场证券作为指数 样本，并结合湾区经济发展特点和样本空间内科技类证券权重调整科技证券行业因子，以使指数样本中科技类证券权重与待选空间中科技类证券占比接近。 截至2026年2月27日 09:30，中证粤港澳大湾区发展主题指数(931000)下跌0.7 ...

2月25日英伟达披露2026财年Q4财报，单季营收681亿美元、净利429.6亿美元，三项核心数据均创历史 新高且远超分析师预期，同时下季营收指引及新架构芯片进展释放强烈信号。此次财报最亮眼的是数据 中心业务，单季营收623亿美元，占总营收的91%以上，同比增速达75%。英伟达的毛利率高达75%，远 超芯片行业平均水平。Blackwell架构的Grace Blackwell平台已成为推理业务的核心，能将每个token的成 本降低一个数量级。下一代Vera Rubin架构目前已向客户交付首批样品，预计2026下半年正式出货，其 性能功耗比将提升10倍。英伟达CEO黄仁勋在财报电话会上强调，智能体AI的拐点已经到来，算力直 接转化为收入，全球AI基建仍处于早期阶段，长期赛道空间广阔。 华创证券电子首席分析师岳阳认为，英伟达最新业绩远超预期，加上CEO黄仁勋关于"智能体AI拐点到 来"的积极表态，极大地提振了全球市场对AI算力前景的信心。作为AI硬件的核心，英伟达芯片需求的 强劲，直接带动了上游硬件产业链的景气度。东吴证券指出，CPO交换机规模放量在即，核心供应商迎 增长机遇，英伟达CPO交换机产品矩阵抢先卡位，构 ...

机械 分析师：刘智 登记编码：S0730520110001 liuzhi@ccnew.com 021-50586775 顺周期机械复苏持续，AI、人形机器人产业 蓬勃发展 ——机械行业月报 证券研究报告-行业月报 强于大市(维持) 机械相对沪深 300 指数表现 资料来源：中原证券 -18% -10% -1% 7% 15% 23% 32% 40% 2025.02 2025.06 2025.10 2026.02 机械 沪深300 相关报告 《机械行业月报：持续推荐人形机器人、AIDC 配套设备，关注低位滞涨板块的轮动机遇》 2026-01-27 《机械行业月报：人形机器人有望成为美国科 技战略主线，建议持续关注人形机器人、AIDC 配套设备》 2025-12-29 《机械行业月报：十五五规划强调科技自立， 未来产业引领，重点关注周期复苏和未来产业 投资机遇》 2025-11-26 联系人：李智 22楼 投资要点： ⚫ 2 月中信机械板块上涨 6.01%，跑赢沪深 300 指数（+0.63%）5.38 个百分点，在 30 个中信一级行业中排名第 2 名：截至 2026 年 2 月 25 日收盘，2 月中信机械板块 ...