共封装光学(CPO)+5G+芯片概念+数据中心+人民币贬值受益 1、2022年12月8日互动易回复：公司拥有了光芯片集成、高速光器件以及高速光模块设计、生产的核心 能力，在高速信号设计和仿真、光学仿真和光耦合工艺领域掌握了相关核心技术。公司目前研发的有基 于EML（电吸收调制激光器）、SIP（硅光）、TFLN（薄膜铌酸锂）调制技术的800G光模块，以及用 于下一代产品NPO（近封装光学）/CPO（共封装光学）所需的高速光连接技术、激光器技术和芯片级 光电混合封装技术等。 来源：新浪证券-红岸工作室 12月1日，联特科技跌2.15%，成交额10.65亿元，换手率12.71%，总市值159.56亿元。 异动分析 区间今日近3日近5日近10日近20日主力净流入-9290.59万4518.41万1.81亿4.56亿4.38亿 主力持仓 2、光模块目前主要应用市场包括数通市场、电信市场和新兴市场。其中数通市场是光模块增速最快的 市场，目前已超越电信市场成为第一大市场，是光模块产业未来的主流增长点；电信市场是光模块最先 发力的市场， 5G 建设将大幅拉动电信用光模块需求。公司产品是数据中心和 5G 通信应用领域的上游 关 ...

Core Viewpoint - Yongding Co., Ltd. has experienced significant stock price growth this year, with a year-to-date increase of 230.05%, indicating strong market interest and performance [1][2]. Group 1: Stock Performance - As of December 1, Yongding's stock price was 16.09 yuan per share, with a trading volume of 1.3 billion yuan and a turnover rate of 5.41%, resulting in a total market capitalization of 23.523 billion yuan [1]. - The stock has seen a net outflow of 24.0167 million yuan from main funds, with large orders showing a buy of 271 million yuan and a sell of 280 million yuan [1]. - The stock has been on the "Dragon and Tiger List" nine times this year, with the latest entry on November 26, where it recorded a net buy of 260 million yuan [1]. Group 2: Company Overview - Yongding Co., Ltd. was established on June 30, 1994, and went public on September 29, 1997. The company specializes in communication products, power engineering, automotive wiring harnesses, and superconducting materials [2]. - The revenue composition includes automotive wiring harnesses (34.63%), power engineering (29.96%), optical communication (18.93%), superconducting and copper conductors (15.91%), and big data applications (0.58%) [2]. - As of September 30, 2025, the company reported a revenue of 3.630 billion yuan, a year-on-year increase of 22.13%, and a net profit of 329 million yuan, reflecting a substantial growth of 474.30% [2]. Group 3: Shareholder Information - The number of shareholders increased to 158,500 as of September 30, 2025, with an average of 9,221 circulating shares per person, a decrease of 10.97% from the previous period [2]. - Major shareholders include Hong Kong Central Clearing Limited, which holds 24.7766 million shares, and Guotai CSI Communication Equipment ETF, which is a new shareholder with 7.0476 million shares [3].

Core Viewpoint - Lingyun Optical has experienced significant stock price fluctuations and growth in revenue and profit, indicating a strong performance in the machine vision and optical communication sectors [2][3]. Group 1: Stock Performance - As of December 1, Lingyun Optical's stock price decreased by 2.04%, trading at 39.82 CNY per share with a total market capitalization of 18.356 billion CNY [1]. - The stock has increased by 81.87% year-to-date, with a 7.27% rise over the last five trading days [2]. - The company has appeared on the "Dragon and Tiger List" once this year, with a net purchase of 233 million CNY on February 20 [2]. Group 2: Financial Performance - For the period from January to September 2025, Lingyun Optical reported a revenue of 2.127 billion CNY, representing a year-on-year growth of 34.30% [3]. - The net profit attributable to shareholders for the same period was 133 million CNY, reflecting an 18.46% increase compared to the previous year [3]. Group 3: Business Overview - Lingyun Optical, established on August 13, 2002, focuses on machine vision and optical communication, with a strategic emphasis on machine vision [2]. - The revenue composition includes intelligent visual equipment (34.69%), configurable visual systems (30.97%), optical communication products (27.44%), visual devices (5.31%), and service income (1.59%) [2]. - The company is categorized under the machinery equipment sector, specifically in specialized equipment [2]. Group 4: Shareholder Information - As of November 10, the number of shareholders for Lingyun Optical was 27,300, a decrease of 2.63% from the previous period [3]. - The average number of circulating shares per shareholder increased by 2.70% to 16,903 shares [3]. - As of September 30, 2025, the top ten circulating shareholders included a new entrant, E Fund National Robot Industry ETF, holding 4.2567 million shares [4].

Core Viewpoint - The stock of Taicheng Light experienced a decline of 2.06% on December 1, with a trading price of 104.21 yuan per share and a total market capitalization of 23.669 billion yuan. The company has shown significant growth in revenue and net profit year-to-date, indicating strong operational performance despite recent stock price fluctuations [1][2]. Group 1: Stock Performance - As of December 1, Taicheng Light's stock price has increased by 44.94% year-to-date, with a 17.25% rise over the last five trading days and a 5.90% increase over the last 20 days, while it has decreased by 25.40% over the last 60 days [1]. - The company has appeared on the "龙虎榜" three times this year, with the most recent appearance on September 4, where it recorded a net buy of -44.71 million yuan [1]. Group 2: Financial Performance - For the period from January to September 2025, Taicheng Light achieved a revenue of 1.214 billion yuan, representing a year-on-year growth of 32.58%, and a net profit attributable to shareholders of 260 million yuan, reflecting a year-on-year increase of 78.55% [2]. - The company has distributed a total of 827 million yuan in dividends since its A-share listing, with 408 million yuan distributed in the last three years [3]. Group 3: Shareholder Information - As of September 30, 2025, the number of shareholders of Taicheng Light increased by 26.82% to 63,800, while the average circulating shares per person decreased by 21.15% to 3,014 shares [2]. - The second-largest circulating shareholder is Yongying Technology Smart Selection Mixed Fund, holding 6.1155 million shares, while Hong Kong Central Clearing Limited is the fifth-largest, holding 4.4373 million shares, a decrease of 3.3779 million shares from the previous period [3].

Core Insights - The article highlights significant stock performance in the recent week, with notable gains in companies such as Guangku Technology, which surged by 39.19%, and Huasheng Lithium Battery, which increased by 20.22% [1][2] - Various sectors are under focus for potential investment opportunities, including aerospace, chips, AI, and influenza-related companies [1][2] Sector Summaries Aerospace - Companies like Yaguang Technology, Tianyin Machinery, and Aerospace Software are gaining attention due to recent positive developments in the aerospace and satellite navigation sectors [1][2] Chip Industry - Key players in the chip sector include Microguide Nano, Yunhan Chip City, and Northern Huachuang, which are being closely monitored for their growth potential [1][2] AI Sector - Companies such as Guanghe Tong and Ao Fei Entertainment are highlighted as significant players in the AI space, attracting investor interest [1][2] Influenza-related Companies - Notable companies in the influenza sector include Te Yi Pharmaceutical and Beida Pharmaceutical, which are considered promising investments [2] Light Communication - Guangku Technology and other firms like Changxin Bochuang and Lian Te Technology are recognized for their advancements in light communication technology [2] Human-like Robots - Companies such as Haoen Qidian and Dongfang Jinggong are noted for their developments in the human-like robot sector, indicating a growing market interest [2]

证券研究报告 | 2025年11月30日 估值周观察(11月第5期) 科技主导"反弹周" 策略研究 · 专题报告 证券分析师：王开 021-60933132 wangkai8@guosen.com.cn S0980521030001 证券分析师：陈凯畅 021-60375429 chengkaichang@guosen.com.cn S0980523090002 请务必阅读正文之后的免责声明及其项下所有内容 核心观点 请务必阅读正文之后的免责声明及其项下所有内容 • 近一周（2025.11.24-2025.11.28）海外市场普遍反弹，估值随股价修复。美股领涨，主要指数均上涨3%以上，其中纳斯达克100涨幅 最显著（+4.93%）。欧元区中，德国表现突出；亚洲市场整体温和上涨，恒生科技和日经225涨幅超3%，估值随股价修复。除道琼斯 工业指数，美股主要指数PE扩张均超过1x；纳斯达克、日经225、韩国综合指数、恒生科技PE扩张幅度超过2x。从估值分位数看，标 普500和法国CAC40位于历史较高水平，印度SENSEX30和恒生科技指数处于较低区间。 • 近一周(2025.11.24-2025.11.28)，A ...

Group 1 - The China Securities Regulatory Commission (CSRC) has published supplementary material requirements for overseas listing applications, specifically mentioning the need for Ligent Technologies, Inc. (纳真科技) to clarify compliance regarding offshore structures and reverse mergers [1][2] - Ligent Technologies has submitted a listing application to the Hong Kong Stock Exchange, with Citigroup and CITIC Securities acting as joint sponsors [1] - The CSRC has requested Ligent Technologies to provide legal opinions on various compliance aspects, including foreign exchange management, overseas investment, foreign investment, and tax management related to their offshore structure and reverse investment [1][2] Group 2 - The CSRC requires Ligent Technologies to clarify the ownership structure of its controlling shareholder, Hisense Group, and whether any shareholders holding over 5% of shares have any legal restrictions on their holdings [2] - The company must provide conclusive opinions on the legality of past equity changes in its domestic operating entities and the latest developments regarding litigation involving Qingdao Hisense Broadband [2] - Ligent Technologies is a leading global provider of optical communication and connection solutions, crucial for AI computing networks, and is one of the few companies with both optical module and optical chip R&D and mass production capabilities [2]

Core Insights - The company has successfully completed aging tests for its DFB laser chip and has begun small-scale shipments, marking a significant breakthrough in the optical communication core component sector [1] - The company aims to establish a vertically integrated layout in optical communication, covering "optical chips - optical devices - optical modules," which lays a solid foundation for the scalable development of its optical communication business [1] Group 1: Technological Advancements - The company has built an industrial cluster centered on optical technology over two decades, maintaining a leading position in smart terminals and LED industries, and expanding into three major business segments: smart display, LED, and optical communication [2] - The semiconductor division has established the world's largest digital intelligent compound semiconductor LED chip production base, achieving a complete independent industrial chain from substrate to chip manufacturing, with over 1,500 related invention patents [2][3] Group 2: Competitive Advantages - As a latecomer in the LED chip sector, the company has adopted mature and efficient production processes, leveraging existing facilities and equipment for the development of optical communication laser chips, significantly reducing initial project costs and technical adaptation challenges [3] - The company’s long-term accumulation in smart, information, and digital fields has enabled precise and efficient resource allocation, reinforcing the hardware foundation and process assurance for the optical chip project [3] Group 3: Growth and Transformation - The company’s long-term strategy focuses on establishing an industrial cluster based on optical technology, expanding into more niche areas of compound semiconductors beyond smart terminals, LED, and optical communication [4] - In the first three quarters of 2025, new businesses, including the LED and optical communication sectors, contributed over 60% of profits, becoming the core driver of operational growth and demonstrating a positive trend towards high-end breakthroughs [4] Group 4: Future Prospects - The company has initiated intelligent upgrades to its optical module production lines to enhance large-scale delivery capabilities, focusing on next-generation optical communication technologies to meet the demands of AI deployment [5] - With the ongoing rollout of 5G, the acceleration of 6G, and the increasing construction of data centers, the optical communication industry presents vast development opportunities, positioning the company to leverage these trends for significant breakthroughs in its optical communication business [5]

Core Viewpoint - Cambridge Technology's stock has shown significant growth this year, with a year-to-date increase of 178.62%, indicating strong market performance and investor interest [1][2]. Financial Performance - For the period from January to September 2025, Cambridge Technology achieved a revenue of 3.36 billion yuan, representing a year-on-year growth of 21.57% [2]. - The net profit attributable to shareholders for the same period was 259 million yuan, reflecting a substantial increase of 70.88% year-on-year [2]. Stock Market Activity - On November 28, the stock price rose by 2.03% to 112.38 yuan per share, with a trading volume of 2.256 billion yuan and a turnover rate of 7.45% [1]. - The stock has appeared on the "Dragon and Tiger List" nine times this year, with the most recent appearance on October 9, where it recorded a net purchase of 53.38 million yuan [1]. Shareholder Information - As of September 30, 2025, the number of shareholders was 67,000, a decrease of 0.64% from the previous period, while the average number of circulating shares per person increased by 0.64% to 3,999 shares [2][3]. - The second-largest circulating shareholder is Hong Kong Central Clearing Limited, holding 15.853 million shares, an increase of 4.9918 million shares from the previous period [3].

Core Viewpoint - Dongshan Precision has shown significant stock performance with a year-to-date increase of 157.67%, indicating strong market interest and potential growth opportunities in the precision manufacturing sector [1][2]. Group 1: Stock Performance - As of November 28, Dongshan Precision's stock price reached 75.06 CNY per share, with a trading volume of 1.581 billion CNY and a market capitalization of 137.48 billion CNY [1]. - The stock has experienced a 15.96% increase over the past five trading days, a 9.58% increase over the past 20 days, and a 23.17% increase over the past 60 days [1]. - The company has appeared on the "Dragon and Tiger List" nine times this year, with the most recent appearance on November 6, where it recorded a net purchase of 373 million CNY [1]. Group 2: Company Overview - Dongshan Precision, established on October 28, 1998, and listed on April 9, 2010, is located in Suzhou, Jiangsu Province, and specializes in precision sheet metal and casting manufacturing, as well as flexible circuit board production [2]. - The company's revenue composition includes 65.23% from electronic circuit products, 17.98% from touch panels and LCD modules, 13.93% from precision components, 1.69% from LED display devices, and 1.17% from other sources [2]. - The company operates within the electronics industry, specifically in the printed circuit board sector, and is involved in various concept sectors such as MLED, OLED, automotive lightweighting, optical communication, and charging piles [2]. Group 3: Financial Performance - For the period from January to September 2025, Dongshan Precision reported a revenue of 27.071 billion CNY, reflecting a year-on-year growth of 2.28%, and a net profit attributable to shareholders of 1.223 billion CNY, which is a 14.61% increase year-on-year [2]. - The company has distributed a total of 1.544 billion CNY in dividends since its A-share listing, with 731 million CNY distributed over the past three years [3]. Group 4: Shareholder Information - As of September 30, 2025, Dongshan Precision had 105,100 shareholders, a decrease of 1.48% from the previous period, with an average of 13,191 shares held per shareholder, an increase of 1.50% [2]. - The largest circulating shareholder is Hong Kong Central Clearing Limited, holding 68.7123 million shares, which increased by 5.2492 million shares compared to the previous period [3].