Summary of Conference Call Notes Industry Overview - The focus is on the North American CSP (Cloud Service Provider) capital expenditure, which is experiencing strong growth. The report emphasizes the importance of the CPO (Coherent Photonic Optics) and fiber optic industries [1][2]. Key Points 1. **Acceleration of CPO Development** - Lumentum has announced that it has secured several hundred million dollars in orders related to CPO. - Expected revenue from CPO is projected to be approximately $50 million in Q4 2026, with a significant surge anticipated in the first half of 2027. - The report suggests paying attention to the CPO supply chain, including components such as optical engines, FAU, laser ELS, MPO, shuffle boxes, and polarization-maintaining fibers. - Relevant companies in this space include Tianfu Communication, Yuanjie Technology, Shijia Photonics, Taicheng Light, Changfei Fiber, Changying Tong, and Robotek [1][2]. 2. **Fiber Optic Industry Transition** - The fiber optic cable industry has shifted from recovery to a phase characterized by "tight supply and simultaneous increase in volume and price." - As a capital-intensive industry, it is expected that new capacity will be difficult to add in the short term, leading to continued price increases. - Companies with optical fiber rod production capacity, such as Changfei Fiber, Hengtong Optic-Electric, Zhongtian Technology, and Fenghuo Communication, are recommended for focus. - Additionally, companies with significant fiber optic capacity or specialized fiber optics, such as Tefa Information and Changying Tong, are also highlighted [2]. 3. **Strong Capital Expenditure Growth Among CSPs** - Four major North American CSPs are expected to maintain strong capital expenditure growth through Q4 2025, with optimistic guidance for future capital expenditures. - All companies expressed a consensus on the "strong demand for AI and tight supply of computing power." - The overseas AI computing power supply chain is viewed positively, while the domestic AI competition is ongoing, with issues such as traffic congestion during Alibaba's Qianwen event noted. - Attention is also recommended for the domestic computing power supply chain [2]. Additional Recommendations - The report recommends specific companies for investment consideration: Zhongji Xuchuang, Tianfu Communication, Changfei Fiber, Hengtong Optic-Electric, Zhongtian Technology, and Yuanjie Technology [3].

Group 1 - The A-share market saw a general rise in CPO concept stocks, with notable increases in several companies' stock prices [1] - Changfei Fiber Optics experienced an increase of over 8%, while Jepu Te rose by 5% [1] - Other companies such as Tiantong Co., Guangxun Technology, and Ruijie Networks saw stock price increases of over 4% [1] Group 2 - Detailed stock performance includes: - Changfei Leishe (601869) with an 8.37% increase and a total market value of 172.5 billion, year-to-date increase of 79.06% [2] - Jepu Te (688025) with a 5.08% increase and a market value of 21.2 billion, year-to-date increase of 57.91% [2] - Tiantong Co. (600330) with a 4.81% increase and a market value of 22 billion, year-to-date increase of 36.10% [2] - Guangxun Technology (002281) with a 4.34% increase and a market value of 59 billion, year-to-date increase of 4.49% [2] - Ruijie Networks (301165) with a 4.01% increase and a market value of 63.8 billion, year-to-date decrease of 9.72% [2]

机构持仓方面，截止2025年9月30日，太辰光十大流通股东中，永赢科技智选混合发起A（022364）位 居第二大流通股东，持股611.55万股，为新进股东。香港中央结算有限公司位居第五大流通股东，持股 443.73万股，相比上期减少337.79万股。中欧数字经济混合发起A（018993）位居第十大流通股东，持 股178.05万股，为新进股东。财通价值动量混合A（720001）、南方中证1000ETF（512100）退出十大 流通股东之列。 声明：市场有风险，投资需谨慎。本文基于第三方数据库自动发布，不代表新浪财经观点，任何在本文 出现的信息均只作为参考，不构成个人投资建议。如有出入请以实际公告为准。如有疑问，请联系 biz@staff.sina.com.cn。 责任编辑：小浪快报 截至9月30日，太辰光股东户数6.38万，较上期增加26.82%；人均流通股3014股，较上期减少21.15%。 2025年1月-9月，太辰光实现营业收入12.14亿元，同比增长32.58%；归母净利润2.60亿元，同比增长 78.55%。 分红方面，太辰光A股上市后累计派现8.27亿元。近三年，累计派现4.08亿元。 2月9日，太 ...

Core Insights - The rapid growth of AI computing is driving an explosive demand for high-speed optical interconnect solutions, positioning companies in the CPO (Co-Packaged Optics) sector as key players in the industry [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49][50][51][52][53][54]. Company Summaries - **Guangzhou Technology (光库科技)**: Based in Shenzhen, focuses on high-speed optical engines and silicon photonics integration, providing critical components for CPO. The company has developed self-researched high-speed optical engines and silicon photonics technology, achieving efficient co-packaging of optical and switching chips, and has partnered with leading computing firms for products compatible with 800G and above [1][31]. - **Tianfu Communication (天孚通信)**: Located in Suzhou, it is a global leader in optical communication precision devices, with a full industry chain advantage in passive optical devices, optical engines, and CPO components. The company has developed self-researched optical engines and co-packaged components, achieving efficient integration of optical and switching chips, and has deep collaborations with major computing firms [2][31]. - **Taicheng Light (太辰光)**: Headquartered in Shenzhen, it specializes in optical communication devices and system integration, with a focus on high-speed optical modules and CPO components. The company has developed self-researched high-speed optical modules and co-packaged components, achieving efficient integration of optical and switching chips, and has partnered with leading computing firms [3][31]. - **Dongtian Micro (东田微)**: Based in Yichang, it is a leader in optical materials and optical components, focusing on optical filters and CPO core optical components. The company has developed self-researched high-speed optical engine core optical components, enhancing optical interconnect efficiency and integration, and has partnered with leading computing firms [4][33]. - **Changxin Bochuang (长芯博创)**: Located in Beijing, it is a leader in optical communication chips and modules, with a focus on optical chips and CPO core components. The company has developed self-researched high-speed optical engines and co-packaged components, achieving efficient integration of optical and switching chips, and has partnered with leading computing firms [5][34]. - **Saiwei Electronics (赛微电子)**: Based in Beijing, it is a global leader in MEMS sensors and semiconductors, with a focus on MEMS processes, optical chips, and CPO core components. The company has developed optical engines and co-packaged components leveraging MEMS process advantages, enhancing optical interconnect efficiency and integration [6][35]. - **Changfei Fiber (长飞光纤)**: Headquartered in Wuhan, it is a global leader in optical fiber and cable, with a full industry chain advantage in optical fiber, optical modules, and CPO optical transmission links. The company has developed self-researched high-speed optical modules and optical transmission link components, achieving efficient transmission and integration of optical signals [7][36]. - **Zhaochi Shares (兆驰股份)**: Based in Shenzhen, it is a leader in consumer electronics and semiconductors, focusing on LED chips and optical modules. The company has developed co-packaged components leveraging its technology in LED chips and optical modules, achieving efficient integration of optical and switching chips [8][37]. - **Anfu Technology (安孚科技)**: Located in Ningbo, it is a leader in energy storage and optical communication, focusing on energy storage systems and optical modules. The company has developed self-researched high-speed optical modules and co-packaged components, achieving efficient integration of optical and switching chips [9][38]. - **Robotec (罗博特科)**: Based in Suzhou, it is a leader in intelligent manufacturing and optical communication equipment, focusing on photovoltaic equipment and optical engines. The company has developed co-packaged components leveraging its technology in intelligent manufacturing and optical engines [10][39]. - **Liant Technology (联特科技)**: Headquartered in Wuhan, it is a leader in high-speed optical modules, focusing on 400G/800G optical modules and CPO components. The company has developed self-researched high-speed optical modules and co-packaged components, achieving efficient integration of optical and switching chips [11][40]. - **Zhishang Technology (致尚科技)**: Based in Shenzhen, it is a leader in precision manufacturing and optical communication components, focusing on precision components and optical engines. The company has developed self-researched high-speed optical engine core components, enhancing optical interconnect efficiency and integration [12][41]. - **Xinyi Sheng (新易盛)**: Located in Chengdu, it is a global leader in high-speed optical modules, focusing on 400G/800G optical modules and CPO components. The company has developed self-researched high-speed optical modules and co-packaged components, achieving efficient integration of optical and switching chips [13][42]. - **Huanxu Electronics (环旭电子)**: Based in Shanghai, it is a global leader in electronic manufacturing services, focusing on SiP packaging and optical engines. The company has developed co-packaged components leveraging its SiP packaging technology, achieving efficient integration of optical and switching chips [14][43]. - **Xiechuang Data (协创数据)**: Headquartered in Shenzhen, it is a leader in data center and smart terminal solutions, focusing on data center equipment and optical modules. The company has developed self-researched high-speed optical modules and co-packaged components, achieving efficient integration of optical and switching chips [15][44]. - **Huilv Ecology (汇绿生态)**: Based in Wuhan, it is a leader in ecological restoration and digital economy integration, focusing on ecological restoration and digital technology. The company has developed co-packaged components leveraging its digital technology and optical module expertise [16][45]. - **Ruijie Networks (锐捷网络)**: Located in Fuzhou, it is a leader in network equipment and solutions, focusing on network devices and optical modules. The company has developed self-researched high-speed optical modules and co-packaged components, achieving efficient integration of optical and switching chips [17][46]. - **Yihua Shares (意华股份)**: Based in Wenzhou, it is a leader in connectors and optical communication components, focusing on high-speed connectors and optical modules. The company has developed self-researched high-speed connectors and co-packaged components, achieving efficient integration of optical and switching chips [18][47]. - **Zhili Square (智立方)**: Headquartered in Shenzhen, it is a leader in precision manufacturing and optical communication devices, focusing on precision components and optical engines. The company has developed co-packaged components leveraging its precision manufacturing and optical engine technology [19][48]. - **Guangli Micro (广立微)**: Based in Hangzhou, it is a leader in semiconductor testing and optical communication devices, focusing on semiconductor testing and optical engines. The company has developed co-packaged components leveraging its semiconductor testing and optical engine technology [20][49]. - **Sijia Technology (世嘉科技)**: Located in Suzhou, it is a leader in precision manufacturing and communication devices, focusing on precision components and optical modules. The company has developed self-researched high-speed optical modules and co-packaged components, achieving efficient integration of optical and switching chips [21][50]. - **Yintang Intelligent Control (英唐智控)**: Based in Shenzhen, it is a leader in electronic distribution and optical communication components, focusing on electronic distribution and optical modules. The company has developed co-packaged components leveraging its electronic distribution and optical module technology [22][51]. - **Guangxun Technology (光迅科技)**: Headquartered in Wuhan, it is a leader in optoelectronic devices and modules, focusing on optoelectronic devices and optical engines. The company has developed self-researched high-speed optical engines and co-packaged components, achieving efficient integration of optical and switching chips [23][52]. - **Woge Optoelectronics (沃格光电)**: Based in Xinyu, it is a leader in optoelectronic display materials, focusing on optoelectronic display materials and optical engines. The company has developed self-researched high-speed optical engine core optical components, enhancing optical interconnect efficiency and integration [24][53].

Market Overview - The market opened high and continued to rise, with the Shanghai Composite Index up over 1% and the ChiNext Index up over 3% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.49 trillion yuan, an increase of 106.8 billion yuan compared to the previous trading day [1] - More than 4,400 stocks in the market rose, with significant activity in sectors such as photovoltaic, computing hardware, AI applications, and chemicals [1][9] Sector Performance - The photovoltaic sector saw a strong performance, with over ten stocks hitting the daily limit, including GCL-Poly Energy, which achieved a four-day limit [1][4] - The computing hardware sector also performed well, with Tianfu Communication hitting the daily limit and reaching a historical high [2][9] - AI applications were notably active, with stocks like Rongxin Culture and Chinese Online hitting the daily limit [6][9] - The chemical sector showed strong activity, with stocks like Runtu and Jihua Group hitting the daily limit [1][7] Individual Stock Highlights - Tianfu Communication reached a market capitalization of 235.5 billion yuan, with a price increase of 20% [3] - GCL-Poly Energy's stock price increased by 20% as part of the photovoltaic sector rally [5] - Other notable stocks included Jiepte and Huayuan Materials, both of which saw significant price increases [5] Future Outlook - The overall market space for optical interconnection is expected to maintain a high-speed expansion trend, driven by various network connection scenarios [4] - Tesla is reportedly evaluating multiple locations in the U.S. to expand its solar cell manufacturing business, aiming for an annual production capacity of 100 gigawatts over the next three years [5] - The AI industry is experiencing breakthroughs with new video generation models, which could further stimulate investment in AI-related stocks [7]

Investment Rating - The report maintains a "Positive" investment rating for the electronic industry, indicating an expectation of returns stronger than the market benchmark by over 5% [5]. Core Insights - Strong demand for computing power driven by AI applications is expected to continue, with significant investments from major cloud providers [8]. - The hardware supply-demand imbalance is spreading across various sectors, leading to price increases [8]. - New technologies such as CPO (Co-Packaged Optics) are anticipated to create additional demand [8]. Summary by Sections Investment Recommendations and Targets - Key investment targets include: - Semiconductor manufacturing: SMIC (688981, Buy), Hua Hong Semiconductor (01347, Buy) - Testing and packaging: Changdian Technology (600584, Buy), Tongfu Microelectronics (002156, Buy), and others [9]. - Server storage: Lianqi Technology (688008, Buy) - CPUs: Haiguang Information (688041, Buy), Longxin Technology (688047, Not Rated), and others [9]. - Passive components: Sanhua Group (300408, Buy), Fenghua Advanced Technology (000636, Not Rated) [9]. - Server manufacturing: Industrial Fulian (601138, Buy), Huaqin Technology (603296, Buy) [9]. - Analog and power chips: Naxin Micro (688052, Buy), Sierui Technology (688536, Not Rated), and others [9]. - Semiconductor equipment: Zhongwei Company (688012, Buy), Northern Huachuang (002371, Buy), and others [9]. - Optical devices/chips: Zhishang Technology (301486, Not Rated), Tianfu Communication (300394, Not Rated), and others [9]. AI Applications and Edge Computing - Key targets in edge AI applications include: - AI main control chips: Amlogic (688099, Buy), Hengxuan Technology (688608, Buy) - Edge storage: Zhaoyi Innovation (603986, Buy), Bawei Storage (688525, Buy) [10]. - Terminal manufacturers: Hikvision (002415, Buy), Luxshare Precision (002475, Buy), BYD Electronics (00285, Not Rated), and others [10]. - Core components for AI edge: Huanxu Electronics (601231, Buy), Sunny Optical Technology (02382, Buy), and others [10].

Group 1 - The company, Taicheng Light, announced on February 6 that it will disclose the number of shareholders in its periodic reports [2]

Group 1 - The core point of the news is that Tai Chen Guang's stock price increased by 5.16% to 122.53 CNY per share, with a trading volume of 2.654 billion CNY and a turnover rate of 11.58%, resulting in a total market capitalization of 27.83 billion CNY [1] - Tai Chen Guang Communication Co., Ltd. is located in Shenzhen, Guangdong Province, and was established on December 12, 2000, with its listing date on December 6, 2016. The company's main business involves the research, production, and sales of optical devices, with revenue composition being 98.02% from optical device products, 1.81% from others, and 0.17% from optical sensing products [1] Group 2 - Among the top ten circulating shareholders of Tai Chen Guang, a fund under China Europe Fund ranks as a new entrant, holding 1.7805 million shares, which accounts for 0.93% of the circulating shares. The estimated floating profit for today is approximately 10.701 million CNY [2] - The China Europe Digital Economy Mixed Fund A (018993) was established on September 12, 2023, with a latest scale of 5.036 billion CNY. It has experienced a loss of 3.12% this year, ranking 8657 out of 8873 in its category, while achieving a return of 118.36% over the past year, ranking 56 out of 8123 [2] Group 3 - The fund manager of China Europe Digital Economy Mixed Fund A is Feng Ludan, who has a cumulative tenure of 4 years and 117 days. The total asset scale of the fund is 20.614 billion CNY, with the best fund return during the tenure being 216.25% and the worst being 40.13% [3]

Core Viewpoint - The optical fiber and cable industry is experiencing a significant upturn, driven by increased demand from AI data centers and a global supply-demand imbalance, leading to substantial price increases and stock performance in related companies [1][4]. Industry Summary - The optical fiber market has seen a continuous rise in demand, with prices for G.652.D single-mode optical fibers in China reaching over 35 yuan per core kilometer, marking a 75% increase in January alone [1][4]. - A global trend is observed where optical fiber prices are rising sharply, with the Chinese market leading the way, and some manufacturers quoting prices as high as 50 yuan per core kilometer [4]. - The CRU China Optical Fiber and Cable Index (FOCI) has rebounded by 10.8%, indicating a shift from contraction to expansion in the market [4]. - The industry is entering a prolonged period of prosperity, driven by technological upgrades and the explosive growth of AI data centers, which is expected to sustain tight supply for 2-3 years due to the long production cycle of key materials [4][6]. Company Summary - Hangzhou Electric (杭电股份) has seen its stock price rise significantly, with a cumulative increase of 32.97% over three consecutive trading days, prompting the company to issue a risk warning due to potential irrational market speculation [2][3]. - The company reported a negative rolling price-to-earnings ratio of -33.93, significantly higher than the industry average of 24.23, indicating potential volatility in stock trading [2]. - Other companies in the optical fiber sector, such as Longfly Fiber and Hengtong Optic-Electric, have also experienced substantial stock price increases, with Longfly Fiber issuing a risk warning after its stock price deviated significantly from the norm [3][4].

Volatility - A total of 28 stocks in the A-share market experienced a volatility exceeding 15% today [1] - Stocks such as *ST Lifan, Optech, and *ST Yunchuang had the highest volatility [1] Turnover Rate - There were 22 stocks in the A-share market with a turnover rate exceeding 30% today [1] - Leading stocks in turnover rate included CSM Alliance, Zerun New Energy, and Baichuan [1] Main Capital Flow - Main capital today saw a net inflow into sectors such as energy, consumer staples, and real estate, while experiencing a net outflow from information technology, communication services, and materials [1] - Notable net inflows were observed in Ningde Times (1.59 billion), Kunlun Wanwei (788 million), TCL Zhonghuan (777 million), Sunshine Power (638 million), and Taicheng Light (575 million) [1] - Significant net outflows were recorded for Zhongji Xuchuang (3.28 billion), New Yisheng (2.87 billion), Xinwei Communication (2.55 billion), Lio Co. (2.25 billion), and Blue Focus (2.06 billion) [1]