Investment Rating - The industry investment rating is upgraded to "Overweight" [3] Core Insights - The chemical industry is expected to experience a recovery driven by both cyclical and growth factors, with a focus on organic silicon, PTA, polyester filament, caprolactam, spandex, vitamins, sweeteners, refrigerants, and phosphorus chemicals [7] - The organic silicon industry is entering a recovery phase, with new applications becoming the core growth driver. From 2019 to 2024, domestic DMC capacity expanded rapidly, leading to temporary oversupply and declining prices. However, with no new capacity expected in 2025 and increasing demand from sectors like new energy vehicles and photovoltaics, the supply-demand balance is improving [7] - The PTA and polyester filament industries are approaching a turning point, with the expansion cycle nearing its end. The demand side is expected to continue growing, supported by easing trade tensions and improved external demand [7] - The introduction of quota policies is expected to lead refrigerants into a high prosperity cycle, with supply constraints and stable demand growth from markets like heat pumps and cold chain logistics [9] - The synthetic biology sector is poised for explosive growth, driven by the transition to low-energy products and breakthroughs in non-grain bio-based materials [9] - OLED technology is accelerating its penetration into various display sizes, supported by policy measures aimed at fostering the new display industry [10] - The demand for high-frequency and low-loss electronic resins is increasing due to the rise of AI infrastructure, with AI server shipments expected to grow significantly [11] - The electronic chemicals sector is benefiting from the expansion of wafer production capacity, with increasing demand for key materials like photoresists and packaging materials [12] Summary by Sections Industry Performance - The chemical sector's overall performance ranked 14th with a weekly change of 0.78%, outperforming the Shanghai Composite Index by 0.38 percentage points [6][21] - Key stocks such as Honghe Technology and Zhongcai Technology saw significant price increases due to rising demand in AI servers and high-speed network equipment [6] Supply-Side Tracking - A total of 155 companies in the chemical industry had their production capacities affected, with 4 new repairs and 7 restarts reported [14] Key Industry Dynamics - BlueStar announced the acquisition of Elkem's core organic silicon assets, marking a strategic move to enhance its position in the global organic silicon industry [34] - The first biofuel blending policy in China was approved, allowing for local blending and reducing reliance on imports [34]

会议助理: 本会议信息仅供参考，不代表任何投资建议。 孙颖 中泰证券分析师: 好的。那个各位投资者大家晚上好那个我和我的团队的这个同事，然后一起来给大家，就 是再拆一下，细化的拆一下，就是各个公司的这个模型，那个这个网络参会的可以看到我 们那个列磊投的这个 PPT 然后我这边。列磊，我们先把 PPT 翻到那个巨石的那个拆分那 一页。在讲各家公司的这个具体的业绩拆分之前，我先做一下这个简单的这个说明。就是 为了让大家更清楚去看到各个产品，然后以及后续的这个价格的这个变化，然后包括盈利 的这个贡献，我们把就是所有跟这个玻纤相关的东西，我们分成三类。 一类就是传统的玻纤粗纱，这个粗纱它的需求，就是我们是把就是跟电子相关的，不管是 普通的这个消费电子、汽车电子，还是跟 AI 相关的，我们全部都踢到、踢掉。那它就是 普通的这个粗纱，普通的这个粗纱的这个需求正常来讲是跟全球，GDP 的这个 1.5 倍，基 本上是全球 GDP 的这个 1.5~2 倍。然后是跟经济相关的，当然它的这个成长性会更强， 因为它跟国内地产的敞口大概只有 15%，然后跟海外大概这个地产的场口大概是 15%， 然后剩下来的就是包括像这个风电。 然后包 ...

Investment Rating - The industry investment rating is "Positive" and maintained [9] Core Viewpoints - The report emphasizes the strengthening expectation of price increases for electronic fabrics, driven by explosive demand and capacity constraints, indicating a "super cycle" characterized by strong demand rigidity and prolonged duration [5][6] - The report identifies three main lines for 2026: the stock chain, the Africa chain, and the AI chain, suggesting strategic focus areas for investment [8] Summary by Relevant Sections Basic Situation - Cement shipments are experiencing seasonal declines, with an average shipment rate of approximately 9% in key regions, a month-on-month decrease of about 15 percentage points, and a year-on-year decrease of about 4 percentage points [7][22] - Glass inventory has slightly increased, with a total inventory of 51.63 million weight boxes, a month-on-month increase of 2.14 million weight boxes, reflecting a 4.32% growth [7][30] Outlook for 2026 - The stock chain focuses on optimizing demand and clearing supply varieties, with residential renovation demand expected to rise from 50% currently to nearly 70% by 2030 [8] - The Africa chain highlights undervalued growth opportunities in the African market, recommending leading companies such as Keda Manufacturing and Huaxin Cement [8] - The AI chain looks at the industrial upgrade of special electronic fabrics, with a focus on Low-Dk products and domestic substitution opportunities [8] Price and Inventory - The national average price for cement before the festival was 346.29 yuan/ton, with a month-on-month decrease of 0.32 yuan/ton and a year-on-year decrease of 47.90 yuan/ton [23] - The national average price for glass before the festival was 63.24 yuan/weight box, with a month-on-month increase of 0.06 yuan/weight box and a year-on-year decrease of 11.07 yuan/weight box [32]

1、机构称AI芯片领域，钻石散热潜在市场空间广阔。 明日线索 2月24日，培育钻石概念大涨，四方达20cm涨停，黄河旋风涨停。 消息面上，河南省科技厅官微此前消息，热沉片是金刚石家族的新成员，它让超硬材料成功进入高端芯片散热这个新赛道。黄 河旋风表示，从热沉片上切割出来所需要的形状，以某种方式贴合在芯片上，做成顶级散热器，这将大大促进高功率器件、 5G/6G通信、AI算力性能的提升。如今，制约产业化的尺寸瓶颈已被突破，黄河旋风成功研制出国内可量产的最大8英寸热沉 片。据悉，公司热沉片生产车间将于今年2月份投入量产，这是功能性金刚石从实验室，迈向规模化商业应用的一个里程碑。 据中邮证券，AI芯片领域，钻石散热潜在市场空间广阔。假设2030年全球AI芯片市场规模为3万亿人民币；AI芯片中钻石散热方 案渗透率分别为5%、10%、20%、50%；钻石散热价值量占比分别为5%、8%、10%，进行弹性测算，钻石散热市场空间的区间 为75亿至1500亿元。 | 图表12: Al 芯片领域钻石散热市场空间弹性测算表 | | | | | | | --- | --- | --- | --- | --- | --- | | 单位( ...

成本端的刚性上涨倒逼企业提价，或进一步放大了板块的盈利预期。自2025年初以来，铂金、叶蜡石等 核心原材料价格同步攀升，大幅压缩了企业盈利空间，提价成为企业维持盈利的必然选择。 2026年2月，国际复材、光远新材等龙头企业率先上调电子布报价，普通电子布涨幅超10%，报价突破 万元关口，达10300–10700元/吨；7628电子布主流价格升至5.1–5.5元/米。据统计，此次为2025年初以 来行业第四次提价，且提价节奏在传统淡季中显著加快。 2月24日，A股玻纤概念迎来强势爆发。东方财富数据显示，截至收盘，玻璃玻纤概念板块整体上涨 6.32%，成交额达170.3亿元。 板块内17只个股均上涨，其中国际复材以19.98%的涨幅强势涨停，收盘价报15.19元，股价续创历史新 高；中国巨石、山东玻纤、宏和科技4天3板；长海股份、中材科技、九鼎新材、振石股份、三峡新材等 龙头个股涨超5%。 作为一种性能优异的无机非金属材料，玻纤广泛应用于建筑、电子电气、风电、新能源汽车、AI等多 个领域，其行业景气度与下游需求及行业供给紧密相关。此次玻纤概念的集体拉升，是供给、需求、成 本等多重因素共振的结果。 从供给端来看，受特 ...

【天风建筑建材 & 新材料】周观点 20260223 节前1-2周涨幅较好的主线为：①AI 算力相关电子材料主线，以特种电子布为核心的玻纤领涨建材板块；PCB 基材、半导体封装材料、液冷相关标的领涨新材料板块；②AI + 建筑主线，VR/AR 应用、算力 + 工程咨询设计相 关标的领涨建筑板块；③外围市场 PCB 核心基材、半导体设备/材料主线领涨。 下周重点关注： 1、科技主线持续回归，核心推荐【电子布】赛道：①供需格局持续失衡，行业整体供需缺口约 20%，26 年 1 月 起全品类电子布均出现供应紧张，企业在手订单已达 2 个月水平，预计26 年全年将维持供应偏紧格局；②产能供 给刚性收缩，普通电子布产能向高端转移带来60% 产能损失，全品类供给持续收缩；③涨价节奏加快、弹性充 足，25 年电子布行业普遍提价 4-5 次，26 年 已提价10%，高端 DK 布、Q 布、CTE布价格仍处上行通道；④扩产 瓶颈短期无法突破，高端产品生产依赖的丰田高端织布机交付周期长达 1-2 年，但需关注池窑法突破（单个池窑 年产3000吨VS坩埚36吨）带来的供应增加（29年有可能供过于求）；⑤库存与需求端共振，CCL及电 ...

PCB概念股持续拉升，中材科技、江南新材、国际复材、宏和科技、中国巨石、铜冠铜箔盘中创新高， 山东玻纤、天通股份涨停，明阳电路、德龙激光涨超10%，逸豪新材、菲利华、深南电路跟涨。 ...

Investment Rating - The industry is rated as "Buy" with expectations of an increase exceeding 15% in the next 3-6 months [57]. Core Insights - The report emphasizes that upstream materials are a key inflationary component in the PCB upgrade iteration process, with three main conclusions: the number of PCBs is increasing, the value of PCBs per cabinet/GPU is rising, and upstream materials are undergoing continuous upgrades [2][8]. - The market is focusing on materials that are close to "ultimate" technology or "upgrade" directions, indicating a potential profit release in 2026 [3][18]. - The report highlights the significant price inflation in electronic fabrics, particularly Low-CTE and Q fabrics, driven by supply constraints and increasing demand from high-end applications [4][15][24]. Summary by Sections Upstream Materials - The report identifies that the PCB board count is increasing, and the corresponding value per cabinet/GPU is also on the rise, particularly with the introduction of new PCB designs like the Vera Rubin NVL144 CPX [2][8]. - Continuous upgrades in PCB upstream materials are necessary to meet the higher demands for transmission speed and signal integrity from AI applications [11][12]. - Upstream materials are prone to inflation, with significant price differences observed in various generations of electronic fabrics [15][18]. Electronic Fabrics - The report predicts a continued price increase for Low-CTE fabrics in 2026 due to supply shortages and rising demand from high-end applications [4][36]. - The second-generation Low-Dk fabrics are expected to face a clear supply-demand gap in 2026, driven by the large-scale deployment of Google's TPU V7 and above [36][37]. - Q fabrics are highlighted for their superior performance and scarcity, with a gradual increase in production expected in 2027 [26][34]. Copper Foil - The report notes a clear upgrade trend in HVLP copper foil, with significant price increase potential due to rising demand from AI applications and planned expansions by leading manufacturers [5][41]. - The market for carrier copper foil is identified as a second growth pole, with a current global market size of approximately 5 billion, primarily dominated by Japanese companies [49][50]. Resins - The report discusses the importance of resin types, particularly carbon-hydrogen resins, in high-frequency and high-speed applications, with domestic companies accelerating production to meet demand [51][54].

Investment Rating - The industry is rated as "Buy" with an expected increase of over 15% in the next 3-6 months [57]. Core Insights - The report emphasizes that upstream materials are a key inflationary component in the PCB upgrade iteration process, with three main conclusions: the number of PCBs is increasing, the value of PCBs per cabinet/GPU is rising, and upstream materials are undergoing continuous upgrades [2][8]. - The market is focusing on materials that are close to "ultimate" technology or "upgrade" directions, indicating a potential profit release in 2026 [3][18]. - The report highlights the significant price inflation in electronic fabrics, particularly Low-CTE and Q fabrics, driven by supply constraints and increasing demand from AI applications [4][15][26]. Summary by Sections Upstream Materials - The report identifies that the PCB upgrade process is characterized by increasing PCB quantities and value, with a focus on the evolving requirements for materials such as electronic fabrics, copper foil, and resins [2][8]. - It notes that the industry trends for upstream materials lag behind PCB developments by 0.5-1 year, suggesting a delayed but strong profit release potential in 2026 [3][21]. - The sensitivity of material prices to market trends is highlighted, indicating that cost structures and supply dynamics are favorable for upstream materials [3][22]. Electronic Fabrics - The report predicts a continued price increase for Low-CTE fabrics due to supply shortages and rising demand, particularly from high-end applications [4][38]. - Q fabrics are expected to see significant adoption starting in 2027, with a strong short-term outlook due to supply constraints [26][34]. - The second-generation Low-Dk fabrics are anticipated to face a clear supply-demand gap in 2026, driven by the large-scale rollout of Google's TPU V7 and above [36][37]. Copper Foil - The report discusses the clear upgrade path for HVLP copper foil, with major producers expanding capacity and confirming strong demand trends [5][41]. - The market for carrier copper foil is identified as a second growth area, with a current global market size of approximately 5 billion, primarily dominated by Japanese firms [49]. - Price increases for HVLP copper foil are expected, supported by strong demand from AI and high-performance computing applications [46][45]. Resins - The report highlights the importance of resin types in high-frequency and high-speed applications, with carbon-hydrogen resins being the mainstream choice for advanced PCBs [51][54]. - Domestic companies are accelerating production to meet the growing demand for high-performance resins, indicating a shift towards local supply chains [54].

Core Viewpoint - Multiple companies have issued risk warnings regarding their stock performance, highlighting significant short-term price increases and potential market volatility [1][2][3][4][5][6][8][9]. Group 1: Company Risk Warnings - Honghe Technology has warned that its stock price has deviated significantly, with a cumulative increase of over 20% in three consecutive trading days, urging investors to be cautious [2]. - Zhangyue Technology has indicated that its AI short drama business revenue for 2025 is expected to be less than 1% of its total revenue, alongside a projected net loss of approximately 195 million yuan for the same year [3]. - Decai Co. has noted that its subsidiary, Qixiang Wuxian, is in the early stages of development with no current business orders or revenue, advising investors to make rational judgments [3]. - Jiamei Packaging has stated that its associated company, Magic Atom, is planning independent capital operations unrelated to the listed company, warning of potential rapid stock price declines [4][5]. Group 2: Business Operations and Market Context - Shuangliang Energy clarified that it has not directly cooperated with SpaceX, despite recent media reports linking it to commercial space projects, and emphasized that its main business does not focus on this area [6][7]. - YN Holdings announced that its investment in a subsidiary does not pertain to the chip manufacturing or cloud service industries, with the investment amount expected to be no more than 1.4 billion yuan [8][9]. - International Composite has confirmed that its main business operations remain stable, with no significant changes, and it continues to focus on its core products [9].