Investment Rating - The report assigns a "Buy" rating for the company, Invech, as a leading player in the temperature control system market [4]. Core Insights - Invech has a robust main business with a comprehensive product matrix, focusing on energy-saving temperature control solutions for various applications, including data centers and transportation [2][22]. - The server liquid cooling market is in its early stages but is expected to grow into a trillion-dollar market, driven by the explosive demand for AI computing power [3][38]. - The company has developed a mature liquid cooling solution and is actively expanding its customer base in North America, positioning itself to capture market share in the liquid cooling system components [4][20]. Summary by Sections 1. Company Overview - Invech, established in 2005 and listed in 2016, specializes in energy-saving temperature control solutions across four core product lines: data center cooling, cabinet cooling, bus air conditioning, and rail transit air conditioning [2][14]. - The company has established stable partnerships with major clients such as Huawei, Tencent, and Alibaba, achieving a revenue of 4.026 billion yuan in the first three quarters of 2025, a year-on-year increase of 40.19% [2][23]. 2. Market Potential - The global server liquid cooling market is projected to reach 80 billion yuan by 2026, with significant contributions from ASIC and NVIDIA NVL72 related cooling demands [3][42]. - Liquid cooling technology is becoming essential due to the increasing power density of servers, transitioning from an optional to a necessary solution for data centers [3][50]. 3. Product and Technology Capabilities - Invech has developed a comprehensive liquid cooling solution, including core components like cold plates and CDU, and is well-positioned to meet the challenges of high-power chip cooling [4][20]. - The company is actively pursuing opportunities in the North American market and has entered NVIDIA's supplier list, enhancing its potential to capture market share in the ASIC server segment [4][20]. 4. Financial Projections - The company is expected to achieve net profits of 6.5 billion yuan, 10 billion yuan, and 14.2 billion yuan from 2025 to 2027, with corresponding dynamic P/E ratios of 124x, 80x, and 57x [4][8]. - Revenue is projected to grow from 3.529 billion yuan in 2023 to 12.402 billion yuan by 2027, reflecting a compound annual growth rate (CAGR) of 34.54% [4][8].

Core Insights - The cold chain logistics sector saw a rise of 1.32%, ranking fifth among concept sectors, with 99 stocks increasing in value, including notable gains from companies like Shenghui Technology, Huangshi Group, and Zhongyao Holdings, which hit the daily limit of 20% [1][2] - The sector attracted a net inflow of 685 million yuan from major funds, with 65 stocks receiving net inflows, and 12 stocks exceeding 50 million yuan in net inflow, led by Yingweike with 439 million yuan [2][3] Sector Performance - The cold chain logistics sector's performance was highlighted by significant stock movements, with Shenghui Technology achieving a 20% increase, while stocks like Ice Wheel Environment and Zhongwei Electronics faced declines of 6.98% and 6.20% respectively [1][2] - Other sectors with notable performance included the dairy industry, which rose by 4.00%, and the beer concept, which increased by 1.70% [2] Fund Flow Analysis - Major fund inflow ratios were led by Huangshi Group, Sunshine Dairy, and Agricultural Products, with net inflow rates of 54.94%, 44.31%, and 27.18% respectively [3] - The cold chain logistics sector's top stocks by fund inflow included Yingweike, Huangshi Group, and Agricultural Products, with net inflows of 439 million yuan, 300 million yuan, and 75.84 million yuan respectively [3][4]

Investment Rating - The report maintains a "Buy" rating for key companies in the optical communication sector, including Zhongji Xuchuang, Xinyi Sheng, and Tianfu Communication [5][10]. Core Insights - The optical isolator is a critical passive device in optical communication systems, relying on the combination of polarizers and Faraday plates. There is a significant technological dependency and supply gap in the upstream manufacturing of these core components, particularly in high-end Faraday magnetic optical materials, which has become a bottleneck for industry development [1][19]. - The report highlights the low domestic production rate of core materials for polarizers, which are monopolized by Japanese and Korean suppliers, indicating a need for increased localization [3][21]. - The global shortage of Faraday plates is a critical issue, as their complex material growth and precision processing are dominated by a few companies in the US and Japan, leading to supply constraints that hinder the expansion of isolators and high-speed optical modules [4][22][23]. Summary by Sections Investment Strategy - The report suggests focusing on the upstream gaps in isolators, particularly polarizers and Faraday plates, and recommends companies like Zhongji Xuchuang, Xinyi Sheng, and Tianfu Communication for investment [8][24]. Market Review - The communication sector has seen an increase, with optical communication performing particularly well, as indicated by various indices showing significant growth [15][18]. Supply Chain Dynamics - In 2024, China's production capacity for polarizers is expected to account for approximately 73% of the global market, yet the localization rate of core materials remains below 10%, posing challenges to supply chain stability [6][7][24]. Key Companies to Watch - The report identifies several key companies to monitor within the optical communication and related sectors, including Zhongji Xuchuang, Xinyi Sheng, Tianfu Communication, and others involved in the supply chain [8][9][24].

Market Overview - The Shanghai Composite Index rose by 0.41% on December 12, with 21 out of the 28 sectors experiencing gains. The top-performing sectors were non-ferrous metals and electronics, with increases of 1.50% and 1.46% respectively. The machinery equipment sector also saw a rise of 1.21% [2] - In terms of capital flow, the main funds in the two markets experienced a net outflow of 4.872 billion yuan. However, 14 sectors saw net inflows, with the power equipment sector leading at a net inflow of 2.805 billion yuan and a daily increase of 1.42%. The machinery equipment sector followed with a net inflow of 1.771 billion yuan [2] Machinery Equipment Sector - The machinery equipment sector increased by 1.21% with a total net inflow of 1.771 billion yuan. Out of 531 stocks in this sector, 286 stocks rose, including 11 that hit the daily limit, while 236 stocks declined [3] - Among the stocks with net inflows exceeding 100 million yuan, the top three were: - Lioo Co., Ltd. with a net inflow of 598 million yuan - China National Machinery Industry Corporation with 593 million yuan - Inovance Technology with 428 million yuan [3] - The sector also had stocks with significant net outflows, with 15 stocks experiencing outflows exceeding 50 million yuan. The top three for outflows were: - Huagong Technology with a net outflow of 461 million yuan - Aerospace Power with 324 million yuan - Wuzhou New Spring with 304 million yuan [5] Capital Flow Rankings - The top stocks in the machinery equipment sector by net inflow included: - Lioo Co., Ltd. (3.78% increase, 9.75% turnover, 598.33 million yuan) - China National Machinery Industry Corporation (9.98% increase, 5.22% turnover, 592.90 million yuan) - Inovance Technology (4.85% increase, 6.15% turnover, 427.51 million yuan) [4] - Conversely, the stocks with the highest net outflows included: - Huagong Technology (-2.23% decrease, 6.47% turnover, -460.99 million yuan) - Aerospace Power (10.01% increase, 24.19% turnover, -324.04 million yuan) - Wuzhou New Spring (-6.66% decrease, 13.33% turnover, -303.97 million yuan) [5]

Summary of Liquid Cooling Industry Conference Call Industry Overview - The liquid cooling industry is experiencing significant growth driven by the surge in data center cooling demands and stricter PUE (Power Usage Effectiveness) regulations. The global AIDC (Artificial Intelligence Data Center) liquid cooling market is projected to reach approximately 110-115 billion RMB by 2026 [1][9]. Key Points and Arguments - **Market Dynamics**: The cost of cooling systems is expected to double to around 10% of total costs due to rapid server iterations. For instance, the value of server modules increased from $75,000 to $95,000, a 20% rise, as the GB300 phase introduced independent cold plates for each GPU [9][10]. - **Liquid Cooling Technology**: The technology is categorized into indirect contact, direct contact, and spray cooling. The single-sided cold plate is dominant in the North American market, while the Inrow model is suitable for new data centers, and the Inrack model is for retrofitting existing centers [2][6][7]. - **Key Components**: Liquid cooling plates are critical components, with significant technical barriers in the design and manufacturing of microchannel plates. These plates enhance heat transfer but require high stability and leak-proof performance [3][8][12]. Emerging Opportunities - **Domestic Supply Chain**: The opening of supplier permissions by NVIDIA in the GB300 phase allows domestic suppliers to enter the market, increasing the demand for cost-effective solutions as NVIDIA shifts towards cloud services [10][11]. - **Company Performance**: Leading companies like Yingwei and Hongsheng are expected to achieve significant performance milestones by 2026. Yingwei's market value is projected to reach 150 billion RMB, while Hongsheng's profits are expected to exceed 300 million RMB [3][5][14]. Additional Insights - **Technological Challenges**: The manufacturing of microchannel plates faces challenges such as low yield rates and high costs due to complex processes. Companies are actively experimenting to find efficient and cost-effective solutions [12][13]. - **Competitive Landscape**: Yingwei is recognized as a leading player with substantial orders from major clients like Google, while Hongsheng is positioned well within the supply chain, indicating a competitive edge in the liquid cooling market [14]. Conclusion - The liquid cooling industry is poised for rapid growth, driven by technological advancements and market dynamics. The shift towards domestic supply chains and the performance of key players will be crucial in shaping the future landscape of this industry [4][10].

证券日报网讯 12月8日晚间，英维克发布公告称，公司于近日接到实际控制人齐勇先生的通知，获悉其 所持有公司的部分股份办理解除质押业务，本次解除质押股份数量为4，514，640股。 （文章来源：证券日报） ...

证券代码：002837 证券简称：英维克 公告编号：2025-059 深圳市英维克科技股份有限公司 关于股东部分股份解除质押的公告 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记载、 误导性陈述或重大遗漏。 2. 中国证券登记结算有限责任公司深圳分公司出具的证券质押及司法冻结明细表。 股东名称 是 否 为 控 股 股 东 或 第 一 大 股 东 及 其 一致行动人 本次解除质押股 份数量（股） 占其所持 股份比例 占公司总 股本比例 起始日 解除日期 质权人 齐勇 是 4,514,640 8.19% 0.46% 2022/12/8 2025/12/5 招商证券股份 有限公司 合计 4,514,640 / / / 一、 股东股份解除质押的基本情况 特此公告。 深圳市英维克科技股份有限公司 深圳市英维克科技股份有限公司（以下简称"公司"）于近日接到实际控制人齐勇先 生的通知，获悉其所持有公司的部分股份办理解除质押业务，具体事项如下： 二、股东股份累计质押基本情况 截至本公告披露日，上述股东及其一致行动人所持质押股份情况如下： | | | | | 合计占 | 合计占 | 已质押股份情况 | | ...

Investment Rating - The report maintains an "Outperform" rating for the communication industry, indicating expected performance above the market benchmark by over 10% [6][46]. Core Insights - The communication industry is experiencing significant growth driven by advancements in AI infrastructure and cloud computing technologies, particularly with the introduction of new AI chips and optical interconnect technologies [5][11][18]. - Companies like Marvell and Credo are leading the charge with substantial revenue growth and strategic acquisitions aimed at enhancing their capabilities in AI and data center technologies [2][3][21]. - The successful launch of the "Zhuque-3" rocket marks a pivotal moment in China's commercial space endeavors, further stimulating interest and investment in the aerospace sector [4][31]. Summary by Sections Industry News Tracking - AWS successfully hosted its annual re:Invent cloud computing conference, unveiling the next-generation AI chip Trainium 4, which supports NVLink Fusion technology for high-speed chip interconnects [11][12]. - Marvell reported a 37% year-over-year revenue increase for FY2026 Q3, driven by data center demand and operational efficiency, and announced a $3.25 billion acquisition of Celestial AI to enhance its optical interconnect technology [2][18]. - Credo's FY2026 Q2 revenue reached $268 million, reflecting a 20.2% quarter-over-quarter growth, with expectations for continued growth driven by AI training and inference infrastructure [3][21]. Market Performance Review - The communication sector index increased by 3.69% this week, outperforming the CSI 300 index by 2.41%, ranking second among primary industries [4][36]. - Notable performers in the sector included satellite internet, optical devices/chips, and IoT controllers, with respective increases of 9.85%, 5.93%, and 4.35% [36]. Investment Recommendations - The report emphasizes the importance of AI computing infrastructure development, recommending investments in optical devices, communication equipment, and liquid cooling technologies [5][43]. - It suggests long-term investment in the three major telecom operators due to their stable operations and increasing dividend payouts, highlighting companies such as China Mobile and ZTE [5][43].

Investment Rating - The report maintains an "Outperform" rating for the communication industry, indicating expected performance above the market benchmark by over 10% [6][46]. Core Insights - The communication industry is experiencing significant growth driven by advancements in AI infrastructure and cloud computing technologies, with companies like AWS and Marvell leading the charge [5][11][18]. - Credo's revenue growth is attributed to the expansion of AI training and inference infrastructure, with a notable increase in demand for AEC and ALC products [3][21]. - Marvell's acquisition of Celestial AI is a strategic move to enhance its capabilities in data center optical interconnect technology, positioning the company for future growth in AI and cloud data centers [2][18]. Summary by Sections Industry News Tracking - AWS successfully hosted its annual re:Invent cloud computing conference, unveiling the next-generation AI training chip Trainium 4, which supports NVLink Fusion technology [11][12]. - Marvell reported a 37% year-over-year revenue increase for FY2026Q3, driven by data center demand and operational efficiency, and announced a $3.25 billion acquisition of Celestial AI to enhance optical interconnect technology [2][13][18]. - Credo's FY2026Q2 revenue reached $268 million, reflecting a 20.2% quarter-over-quarter increase, with ALC expected to drive future growth [3][21]. Market Performance Review - The communication sector index rose by 3.69% this week, outperforming the Shanghai Composite Index, which increased by 1.28% [4][36]. - Key sectors such as satellite internet, optical devices/chips, and IoT controllers showed strong performance, with respective increases of 9.85%, 5.93%, and 4.35% [36]. Investment Recommendations - The report suggests continued focus on AI computing infrastructure development, recommending investments in optical devices, communication equipment, and liquid cooling technologies [5][43]. - The three major telecom operators are highlighted as important assets for dividend allocation, with stable operations and increasing dividend payouts [5][43].

Group 1: Optical Modules - The optical module industry is experiencing the highest growth and performance realization among AI hardware this year, driven by high verification barriers for North American CSP tech giants and increasing demand due to the acceleration of supernode technology [2][4] - The average ratio of optical modules to GPUs is continuously increasing, with demand for 800G and 1.6T optical modules being revised upwards, indicating a strong upward resonance in demand [2][4] - By 2026, the demand for 1.6T optical modules is expected to exceed 30 million units, with an average price of $900-1000 per unit, while high-end EML optical chips are projected to face a 25-30% supply shortage [4][5] Group 2: Liquid Cooling - The liquid cooling industry has seen fluctuating trends this year, with initial enthusiasm dampened by low penetration rates, followed by a resurgence in August and significant breakthroughs in November [5][9] - The demand for liquid cooling in North America is expected to expand rapidly by 2026, with penetration rates in the NVIDIA ecosystem projected to rise from 20-30% to over 80-90% [7][9] - A leading domestic manufacturer is anticipated to capture a market share of 13-17% in North America by 2026, with Google expected to implement liquid cooling solutions for over 200,000 TPU V7 chips, creating a market space exceeding $24-28 billion [9][10] Group 3: AI PCB - The AI PCB industry is thriving, with companies like Shenghong, Huidian, and Shengyi achieving performance realization in North America, despite some quarterly fluctuations [10][12] - The supply side is seeing an increase in product value and manufacturing difficulty due to upgrades in customer chips and cabinet solutions, leading to a marginal differentiation in the supply landscape [10][12] - By 2026, the introduction of orthogonal backplanes is expected to significantly increase unit value, with M9 material processing anticipated to break through, although mass production is expected to ramp up in 2027 [12][13] Group 4: Server Power Supply - The server power supply market has shown similar trends to liquid cooling, with initial excitement followed by a divergence in performance among manufacturers [13][14] - The supply side is dominated by Taiwanese manufacturers, with a high concentration of market share, while domestic manufacturers are expected to make significant breakthroughs in North America by 2026 [14][15] - The adoption of HVDC technology is projected to replace traditional UPS solutions, with an expected market scale exceeding $20-30 billion by 2026 [15]