Group 1 - The CPO concept has become active again, with notable stock performance in the sector [1] - Fuxin Technology reached the daily limit increase, indicating strong investor interest [1] - Saiwei Electronics and Xinyisheng both hit historical highs during the trading session [1] Group 2 - Other companies such as Shijia Photon, Guangku Technology, Changfei Optical Fiber, and Tengjing Technology also showed significant gains [1]

Core Viewpoint - CPO (Chip-Package-Optical) technology is emerging as a key direction for high-speed optical modules, leveraging the advantages of "chip and optical engine co-packaging" to become a core area for next-generation optical communication devices [1] Company Highlights - **特发信息 (Tefa Information, 000070.SZ)**: Latest stock price at 14.85 CNY, with a daily increase of +10.00%. The subsidiary has CPO platform design capabilities and high-precision packaging technology applicable for CPO packaging [1] - **联特科技 (Liante Technology, 301205.SZ)**: Latest stock price at 143.60 CNY, with a daily increase of +7.24%. Focused on optical communication transceiver modules, mastering design and manufacturing capabilities from optical chips to optical modules [1] - **长芯博创 (Changxin Bochuang, 300548.SZ)**: Latest stock price at 143.82 CNY, with a daily increase of +7.09%. An integrated circuit electronic device company that has released external light source modules for CPO and is developing photonic technology-related products [1] - **德科立 (Dekeli, 688205.SH)**: Latest stock price at 172.90 CNY, with a daily increase of +4.78%. A light transmission company with R&D plans covering 800G and CPO high-speed miniaturized optical transceiver module technology solutions [1] - **华工科技 (Huagong Technology, 000988.SZ)**: Latest stock price at 83.20 CNY, with a daily increase of +3.53%. A photonics company with vertical integration capabilities, establishing a research institute to focus on CPO and LPO technologies [1] - **光迅科技 (Guangxun Technology, 002281.SZ)**: Latest stock price at 68.55 CNY, with a daily increase of +3.24%. A global supplier of photonic devices that has already laid out CPO technology and completed silicon photonic integration packaging technology development [1] - **新易盛 (Xinyi Sheng, 300502.SZ)**: Latest stock price at 432.26 CNY, with a daily increase of +3.13% [1] - **中天科技 (Zhongtian Technology, 600522.SH)**: Latest stock price at 17.22 CNY, with a daily increase of +2.99%. Advancing CPO co-packaging optical technology and has mastered high-speed optical module packaging capabilities [2] - **炬光科技 (Juguang Technology, 688167.SS)**: Latest stock price at 170.89 CNY, with a daily increase of +2.45%. Acquired SMO technology applicable for efficient collimation and coupling of laser light sources in CPO [2] - **源杰科技 (Yuanjie Technology, 688498.SH)**: Latest stock price at 691.66 CNY, with a daily increase of +2.39%. Has laser product reserves for CPO, with CW high-power laser technology applicable in the CPO field [2] - **光库科技 (Guangku Technology, 300620.SZ)**: Latest stock price at 172.58 CNY, with a daily increase of +2.20%. Launched high-density, high polarization-maintaining fiber array collimators for CPO applications [2] - **仕佳光子 (Shijia Photonics, 688313.SH)**: Latest stock price at 96.10 CNY, with a daily increase of +2.13%. Products like high-power laser chips can be used for CPO packaging [2] - **亨通光电 (Hengtong Optic-Electric, 600487.SH)**: Latest stock price at 20.75 CNY, with a daily increase of +1.72%. One of the earliest companies to layout CPO optoelectronic co-packaging, previously launched a 3.2T CPO working prototype [2] - **聚飞光电 (Jufei Optoelectronics, 300303.SZ)**: Latest stock price at 7.12 CNY, with a daily increase of +1.71%. The company's invested subsidiary has silicon optical chips applicable for CPO [2] - **中际旭创 (Zhongji Xuchuang, 300308.SZ)**: Latest stock price at 616.00 CNY, with a daily increase of +1.65%. A leading optical module company, with CPO as one of its key evolution directions, already has R&D and layout in place [3]

Core Viewpoint - The OCS (Optical Circuit Switch) industry chain concept stocks have shown significant strength, driven by advancements in technology and market expectations, particularly due to Google's seventh-generation TPU and Gemini 3 model, which are expected to enhance the market scale of OCS significantly [1][2][3]. Industry Overview - The OCS technology allows for direct optical signal switching without electro-optical conversion, improving network performance and efficiency in data centers [3][4]. - The market for OCS is projected to grow rapidly, with a forecasted compound annual growth rate (CAGR) of 15% from 2025 to 2030, and shipments expected to exceed 50,000 units by 2029 [2][3]. Company Insights - A-share listed companies in the OCS industry chain are expected to benefit from the growing demand, with key players already positioning themselves in the market [4][5]. - Companies like Ying Tang Zhi Kong are developing MEMS micro-mirrors, which are crucial for OCS technology, and have plans for acquisitions to enhance their product offerings [4][5]. - Tengjing Technology focuses on precision optical components and has established partnerships with major manufacturers in the optical communication sector [5][6]. - Guokai Technology and Guangxun Technology are also actively developing OCS products, with Guokai planning acquisitions to expand its capabilities [6][7]. Market Dynamics - The OCS market is characterized by various technological solutions, with MEMS being the most cost-effective option, and companies are expected to continue innovating to meet the demands of AI data centers [4][8]. - The future of OCS technology is anticipated to focus on higher performance, smarter adaptability, lower costs, and broader compatibility, with MEMS likely to maintain a dominant market position [8].

（来源：伏白的交易笔记） 前言：Scale Up光互联方案渐行渐近，英伟达、谷歌、Meta等厂商从26H2开始陆续将光学引入柜内场 景。 Scale Up场景下，FAU、CW激光光源、MPO/MTP/MMC连接器价值量均有望提升。 一. FAU概览 光纤阵列单元（FAU） 是一种高精度无源光器件，通过V形槽基板将多根光纤按预设间距固定排列，形 成密集的光信号传输通道。 FAU用于连接光引擎与光纤，是光模块、CPO等设备的刚需组件。 其本质是将分散的单根光纤阵列化，与单根光纤排列相比，优势包括：高精度（微米级）、高密度（如 48芯）、低损耗、高可靠性。 1.1 组成 （1）光纤：传输光信号的核心载体，包括单模光纤（用于长距离通信）、多模光纤（用于数据中心等 短距通信）。 （2）基板：提供机械支撑，包括玻璃基板（主流）、陶瓷基板（高稳定性）、硅基板（CPO场景）。 （3）V形槽基片：用于光纤定位，实现精准排列。 1.2 应用位置 FAU主要内置于光模块内部的光引擎与光纤接口之间，分为发射端和接收端两个位置： （1）发射端（Tx）：位于激光器（VCSEL/DFB）与光纤接口之间，激光器输出的光信号通过FAU耦合 到 ...

Group 1: Company Overview - Shengyi Technology (600183) focuses on high-frequency and high-speed copper-clad laminates and bonding sheets for the commercial aerospace sector, providing core materials for satellite communication equipment and rocket electronic control systems, with over 30 years of technology accumulation in high-frequency materials [1][19] - Guangqi Technology (002625) is a leader in metamaterials for aerospace applications, developing lightweight and high-strength structural components that reduce the weight of aerospace equipment by over 30%, enhancing stealth and extreme environment capabilities [2][20] - China Satellite Communications (601698) is the only domestic operator of commercial communication satellites, managing 18 high-orbit satellites and leading the GW constellation project for 13,000 low-orbit satellites, covering over 95% of the globe [3][21] Group 2: Product Applications - Jingwang Electronics (603228) provides high-density interconnect (HDI) printed circuit boards and flexible circuit boards for commercial aerospace, with applications in satellite navigation systems and rocket measurement and control equipment [4][22] - Sanan Optoelectronics (600703) specializes in the research and production of GaN (gallium nitride) semiconductors, which are critical components for rocket engine control systems and satellite communication payloads, significantly improving energy efficiency and reliability [5][22] - China Aerospace Science and Technology Corporation (600118) is the only listed platform of the Aerospace Science and Technology Group, focusing on the research, manufacturing, and integration of commercial satellites, holding the largest market share in small satellites in China [7][25] Group 3: Emerging Technologies - Guodun Quantum (688027) applies quantum communication technology in commercial aerospace, developing satellite-based quantum communication payloads and quantum key distribution devices to ensure secure data transmission [8][26] - Aerospace Electronics (600879) has a dominant market share in rocket measurement and control systems, with over 90% market share, and provides core measurement and control solutions for private rocket companies [9][27] - Light Library Technology (300620) develops core optical communication devices for satellite laser communication systems, enabling high-speed, low-loss data transmission between satellites [10][28] Group 4: Industry Trends - Huafeng Technology (688629) provides high-reliability connectors and cable components for commercial aerospace, meeting the needs of rocket structure connections and satellite payload integration [13][32] - Aojie Technology (688220) focuses on satellite communication baseband chips, enabling efficient data exchange between satellites and ground terminals, supporting new applications like direct satellite connections for mobile phones [14][33] - Zhongke Xingtou (688568) offers space-based big data processing and application services, leveraging its GEOVIS digital earth platform for diverse data services in agriculture, urban planning, and disaster warning [15][34]

北京德恒（深圳）律师事务所 关于珠海光库科技股份有限公司 2025 年第二次临时股东会的 法律意见 2025 年第二次临时股东会的 法律意见 德恒 06G20250169-00002 号 致：珠海光库科技股份有限公司 珠海光库科技股份有限公司（以下简称"公司"）2025 年第二次临时股东 会（以下简称"本次会议"）于 2025 年 12 月 8 日（星期一）召开。北京德恒（深 圳）律师事务所（以下简称"德恒"）受公司委托，指派隋晓姣律师、陈红雨律 师（以下简称"德恒律师"）出席了本次会议。根据《中华人民共和国证券法》 （以下简称"《证券法》"）、《中华人民共和国公司法》（以下简称"《公司 法》"）、《上市公司股东会规则》（以下简称"《股东会规则》"）、《珠海 光库科技股份有限公司章程》（以下简称"《公司章程》"）、公司《股东会议 事规则》的规定，德恒律师就本次会议的召集、召开程序、现场出席会议人员资 格、表决程序等相关事项进行见证，并发表法律意见。 深圳市福田区金田路 4018 号安联大厦 B 座 11 楼 电话:0755-88286488 传真:0755-88286499 邮编:518026 北京德恒（深圳 ...

证券代码：300620 证券简称：光库科技 公告编号：2025-091 珠海光库科技股份有限公司 2025 年第二次临时股东会决议公告 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。 特别提示： 1、本次股东会无否决议案的情形； 2、本次股东会不涉及变更以往股东会已通过决议的情况。 一、会议召开和出席情况 1、会议召开时间 （1）现场会议召开时间：2025 年 12 月 8 日（星期一）下午 14:30 （2）网络投票时间：通过深圳证券交易所交易系统进行网络投票的具体时间为： 2025 年 12 月 8 日 9:15-9:25，9:30-11:30 和 13:00-15:00；通过深圳证券交易所互联 网系统投票的具体时间为：2025 年 12 月 8 日 9:15-15:00 期间的任意时间。 2、现场会议召开地点：广东珠海市高新区唐家湾镇创新三路 399 号 7 楼会议 室。 3、会议召开方式：本次股东会采用现场表决与网络投票相结合的方式召开 4、会议召集人：公司董事会 5、会议主持人：董事长郭瑾女士 6、本次会议的召集和召开符合《公司法》《上市公司股东会规 ...

| 序号 | 代码 | 名称 | 现价 | 涨跌幅 ▼ | 成交量 | 成交额 | | --- | --- | --- | --- | --- | --- | --- | | 1 | 300620 | 光库科技 | 165.13 | 13.32% | 2932万 | 46.49亿 | | 2 | 600879 | 航天电子 | 13.80 | 8.75% | 3.97亿 | 54.06亿 | | 3 | 688027 | 国盾量子 | 498.30 | 7.89% | 540万 | 26.52亿 | | 4 | 300342 | 天银机电 | 22.27 | 5.95% | 8833万 | 20.44亿 | | 5 | 688418 | 震有科技 | 34.58 | 5.65% | 1809万 | 6.31 Z | | 6 | 002281 | 光迅科技 | 65.66 | 4.70% | 3671万 | 23.94亿 | | 7 | 688385 | 复旦微电 | 61.69 | 3.86% | 1143万 | 7.09亿 | | 8 | 300672 | 国科微 | 99.84 | 3.61% | 875 ...

| 代码 | 名称 | | 涨幅% ↓ | 总市值 | 年初至今涨幅%。 | | --- | --- | --- | --- | --- | --- | | 920576 | 天力复合 | 1 | 21.21 | 36.99亿 | 64.48 | | 301232 | 飞沃科技 | 1 | 20.00 | 70.17亿 | 277.98 | | 300620 | 光库科技 | 1 | 13.70 | 413 Z | 241.74 | | 300900 | 广联航空 | 1 | 13.53 | 72.06亿 | 10.23 | | 002512 | 达华智能 | 1 | 10.03 | 79.32亿 | 50.42 | | 000547 | 航天发展 | 4 | 10.01 | 362亿 | 209.58 | | 002792 | 通宇通讯 | 1 | 10.01 | 170亿 | 118.17 | | 003029 | 吉大正元 | 1 | 10.01 | 51.50亿 | 21.91 | | 002977 | 天箭科技 | 1 | 10.01 | 53.35亿 | 63.96 | | 688283 | 坤恒 ...

商业航天概念8日盘中再度活跃，截至发稿，飞沃科技涨超18%续创新高，广联航空、长光华芯、光库 科技等涨超10%，天箭科技、航天动力、航天科技等连续两日涨停。 行业方面，近期，国家航天局正式设立商业航天司，标志着我国商业航天产业迎来了首个专职的监管机 构。目前，我国商业航天企业数量已超过600家。商业航天司的核心使命是在确保安全可控的前提下， 逐步释放商业航天的巨大发展潜力。此外，国家航天局近日印发《国家航天局推进商业航天高质量安全 发展行动计划（2025—2027年）》，提出到2027年，商业航天产业生态高效协同，科研生产安全有序， 产业规模显著壮大，创新创造活力显著增强，资源能力实现统筹建设和高效利用，行业治理能力显著提 升，基本实现商业航天高质量发展。 机构表示，展望未来，商业航天产业有望成为国家"十五五"规划的重点发展方向之一。随着监管体系的 逐步完善和扶持政策的持续加码，整个商业航天产业链都将迎来系统性的发展机遇。 ...