Core Viewpoint - Microsoft collaborates with Corning and Heraeus to scale up the production of hollow-core fiber (HCF), aiming to enhance the performance and reliability of AI networks and meet the growing demand for network infrastructure [1][2] Group 1: Industry Trends - The trend towards industrialization of hollow-core fiber is clear, with significant potential for demand growth in long-distance data transmission and applications requiring high reliability and low latency [3][4] - Hollow-core fiber can significantly increase transmission speed and reduce latency, achieving approximately one-third lower latency compared to traditional glass-core fibers [3] Group 2: Company Developments - Microsoft acquired Lumenisity in 2022 and launched the world's first hollow-core fiber factory in the UK, with plans to deploy 15,000 kilometers of hollow-core fiber over the next two years [2] - Corning's manufacturing facility in North Carolina will produce HCF for Microsoft, expanding global fiber production and supporting Azure's network deployment [1][2] Group 3: Competitive Landscape - Domestic and international enthusiasm for the industrialization of hollow-core fiber is high, with companies like China Mobile launching commercial lines and Microsoft and Amazon actively promoting its use [4] - The current market for hollow-core fiber is relatively small, but companies with technological and patent advantages are expected to lead, with domestic firms like Hengtong Optic-Electric and Zhongtian Technology positioning themselves well for market share [4][5]

Core Insights - Draka Comteq B.V. has sold 37.5953 million H-shares of Yangtze Optical Fibre and Cable Joint Stock Limited Company, representing 5% of the total share capital, completing its exit from the company's H-shares [3] - As of the end of March this year, both Draka Comteq B.V. and China Huaxin Post and Telecommunications Economy Development Center held equal stakes of 23.73% in the company, making them the largest shareholders [3] - The company has noted a rising market interest in optical fiber and cable products related to computing data centers, particularly in hollow-core fiber, which is still in the early stages of application and has not yet achieved stable sales or profit levels [3][4] Company Developments - The hollow-core fiber business has not yet had a significant impact on the company's financial data [4] - The demand for optical fiber and cable products related to data centers currently represents a small proportion of the total global demand for optical fibers and cables [3]

Core Viewpoint - Changfei Fiber Optics (601869) has seen a significant decline in stock price, dropping over 6% recently, with a current price of HKD 54.45 and a trading volume of HKD 355 million. The decline follows the announcement of the sale of shares by its largest shareholder, Draka Comteq B.V., which has now fully divested its holdings in the company [1]. Group 1: Shareholder Changes - Draka Comteq B.V. sold 37.5953 million H-shares of Changfei Fiber Optics on September 19, 2025, representing 5% of the company's total share capital [1]. - Prior to this sale, both Draka Comteq B.V. and China Huaxin Post and Telecommunications Technology Co., Ltd. were the largest shareholders, each holding 23.73% of the company as of the end of March this year [1]. Group 2: Market Trends and Product Focus - The company has noted a rising market interest in fiber optic products related to data centers, particularly in hollow-core fiber optics [1]. - Currently, fiber optic products associated with data centers account for a small proportion of the total global demand for fiber optic cables, and hollow-core fiber optics are still in the early stages of application, lacking scale sales and stable pricing and profit levels [1]. - The hollow-core fiber optics business has not yet had a significant impact on the company's financial data [1].

Core Viewpoint - Changfei Fiber Optics has experienced a significant decline in stock price, dropping over 6% recently, attributed to the sale of shares by its largest shareholder, Draka Comteq B.V., which has now fully exited its position in the company [1] Company Summary - Changfei Fiber Optics' stock price fell by 5.14% to HKD 54.45, with a trading volume of HKD 355 million [1] - Draka Comteq B.V. sold 37.5953 million H-shares, representing 5% of the total share capital, completing its exit from the company [1] - As of the end of March this year, both Draka Comteq B.V. and China Huaxin Post and Telecommunication Technology Co., Ltd. were the largest shareholders, each holding 23.73% of the company [1] Industry Summary - The company has noted a rising market interest in fiber optic products related to data centers, particularly hollow-core fibers [1] - Currently, fiber optic products related to data centers account for a small proportion of the total global demand for fiber optic cables [1] - Hollow-core fiber, as a cutting-edge product, is still in the early stages of application, lacking scale sales and stable pricing and profit levels [1] - The hollow-core fiber business has not yet had a significant impact on the company's financial data [1]

Investment Rating - The report maintains a "Recommended" rating for the communication industry [3]. Core Insights - The enthusiasm for the industrialization of hollow-core fiber optics is high both domestically and internationally, with domestic manufacturers expected to leverage cost and technological advantages to capture a significant market share [2]. - Major companies like Microsoft are actively pursuing the industrialization of hollow-core fiber optics, with plans to increase global production to meet the growing demand for network infrastructure [5]. - The hollow-core fiber optics technology promises to significantly enhance transmission speed and reduce latency, making it a competitive medium for global optical communication [5]. Summary by Sections Industry Overview - The hollow-core fiber optics market is currently small, but manufacturers with technological and patent advantages are in a leading position. Companies like Lumensity and Changfei Fiber Optics are at the forefront, while domestic players such as Hengtong Optic-Electric and Zhongtian Technology are also making strategic moves [2]. Market Dynamics - The report highlights that the demand for multi-mode fiber optics is increasing, and as the industrialization of hollow-core fiber optics accelerates, domestic manufacturers are expected to achieve large-scale shipments and capture a larger market share [2]. Technological Advancements - Hollow-core fiber optics utilize air or inert gas instead of solid fiber cores, which allows for faster signal transmission and reduced latency compared to traditional glass fiber optics. This technology is particularly beneficial for data centers, which are expanding in scale and energy consumption [5]. Investment Recommendations - The report suggests focusing on companies such as Changfei Fiber Optics, Hengtong Optic-Electric, and Zhongtian Technology for potential investment opportunities in the hollow-core fiber optics sector [6].

Investment Rating - The report maintains a "Recommended" rating for the communication industry [3] Core Viewpoints - The enthusiasm for the industrialization of hollow-core fiber optics is high both domestically and internationally, with domestic manufacturers expected to leverage cost and technological advantages to capture a significant market share [2] - Major companies like Microsoft, Corning, and Heraeus are actively collaborating to advance the production of hollow-core fiber optics, with Microsoft planning to lay 15,000 kilometers of this fiber in the next two years [5] - Hollow-core fiber optics can significantly enhance transmission speed and reduce latency, making it a promising medium for future global optical communication [5] Summary by Sections Industry Overview - The hollow-core fiber optics market is currently small, but manufacturers with technological and patent advantages are in a leading position [2] - Companies such as Lumensity and Yangtze Optical Fibre are key players in the hollow-core fiber production, with other domestic firms like Hengtong Optic-Electric and Zhongtian Technology also making strategic moves [2] Market Dynamics - The demand for multi-mode fiber is expected to rise, and as the industrialization of hollow-core fiber accelerates, domestic manufacturers are likely to achieve large-scale shipments [2] - The collaboration between Microsoft and Corning aims to enhance the performance and reliability of AI networks through the production of hollow-core fiber [5] Future Outlook - The report suggests that while there are still technical challenges to overcome for mass production, the trend towards industrialization of hollow-core fiber optics is clear, with significant growth expected in demand for long-distance data transmission applications [5]

Core Insights - On September 24, Changfei Fiber conducted a block trade of 20,000 shares, with a transaction amount of 2.206 million yuan, accounting for 0.11% of the total transaction volume for the day [1] Group 1 - The transaction price was 110.3 yuan, which remained stable compared to the market closing price of 110.3 yuan [1]

Investment Rating - The report maintains an investment rating of "Recommended" for the communication industry [3]. Core Viewpoints - There is a strong enthusiasm for the industrialization of hollow-core fiber optics both domestically and internationally, with domestic manufacturers expected to leverage cost and technological advantages to capture a significant market share [2]. - Major companies like Microsoft are actively pursuing the industrialization of hollow-core fiber optics, with plans to increase global production to meet the growing demand for network infrastructure [5]. - The hollow-core fiber optics technology promises to significantly enhance transmission speeds and reduce latency, making it a competitive medium for global optical communication [5]. Summary by Sections Industry Overview - The hollow-core fiber optics market is currently small, but manufacturers with technological and patent advantages are in a leading position. Companies like Lumensity and Changfei Fiber Optics are at the forefront, while domestic players such as Hengtong Optic-Electric and Zhongtian Technology are also making strategic moves [2]. Market Dynamics - The report highlights that the demand for multi-mode fiber optics is expected to rise, and as the industrialization of hollow-core fiber optics accelerates, domestic manufacturers will likely achieve large-scale shipments and capture a substantial market share [2]. Technological Advancements - Hollow-core fiber optics utilize air or inert gas instead of solid fiber cores, which allows for faster signal transmission and reduced latency compared to traditional quartz glass fibers. This technology is particularly beneficial for data centers, which are increasingly expanding in scale and energy consumption [5]. Investment Recommendations - The report suggests focusing on companies such as Changfei Fiber Optics, Hengtong Optic-Electric, and Zhongtian Technology for potential investment opportunities in the hollow-core fiber optics sector [6].

Group 1 - The optical communication module sector experienced a decline of 2.56% [1] - Among the companies, Hangdian Co., Ltd. saw a drop of 5.97% [1] - Guangku Technology and Tengjing Technology fell by 5.56% and 5.53% respectively [1] Group 2 - Changfei Optical Fiber, Zhongji Xuchuang, and Cambridge Technology all reported declines exceeding 4% [1]

Group 1 - The CPO concept stocks in the A-share market opened lower collectively, with significant declines observed in several companies [1] - Guangku Technology and Tianfu Communication both dropped over 5%, while Zhongji Xuchuang and Cambridge Technology fell over 4% [1] - Other companies such as Jingwang Electronics, Zhongfu Circuit, Guangxun Technology, Shijia Photon, and Changxin Bochuang experienced declines exceeding 3% [1] Group 2 - Guangku Technology reported a decline of 5.56%, with a total market value of 31.9 billion and a year-to-date increase of 164.25% [2] - Tianfu Communication saw a decrease of 5.04%, with a market capitalization of 140.1 billion and a year-to-date increase of 178.51% [2] - Zhongji Xuchuang experienced a drop of 4.21%, with a market value of 462.2 billion and a year-to-date increase of 238.17% [2]