Core Viewpoint - Draka Comteq B.V., a former major shareholder of Yangtze Optical Fibre and Cable Joint Stock Limited Company, has completely divested its holdings, yet the company's stock prices have shown significant increases during this period [2][6]. Group 1: Shareholder Activity - On September 19, 2025, Draka Comteq B.V. sold 37.5953 million H-shares, reducing its stake from 5.00% to 0.00% [6]. - Prior to this divestment, Draka Comteq B.V. held 180 million shares, equating to a 23.73% stake, which it shared with China Huaxin Post and Telecommunications [6]. - The stock price of Yangtze Optical Fibre increased by 259.2% for A-shares and 297.42% for H-shares during the divestment period from early Q2 2025 to the present [6]. Group 2: Stock Performance - As of September 19, 2025, the A-share price was 120.62 CNY per share, and the H-share price was 61.6 HKD per share, with a total market capitalization of 68.8 billion CNY [3]. - The stock price performance indicates strong market confidence despite the significant shareholder exit [2][6]. Group 3: Industry Insights - There is growing market interest in hollow-core fiber products, which are seen as having the potential to overcome limitations of solid-core fiber in next-generation T-bit transmission [8][9]. - Yangtze Optical Fibre has developed proprietary technology for its hollow-core fiber, which is recognized for its superior performance [8]. - Currently, the market for hollow-core fiber is still in its early stages, with limited sales and pricing stability, and it has not yet significantly impacted the company's financials [8]. Group 4: Future Developments - Microsoft plans to deploy 15,000 kilometers of hollow-core fiber for data centers and AI model connections within the next 24 months [10]. - China Mobile has initiated commercial use of hollow-core fiber, with Yangtze Optical Fibre being the sole bidder at approximately 36,000 CNY per core kilometer [10].

Core Viewpoint - Draka Comteq B.V. has completely divested its stake in Yangtze Optical Fibre and Cable Joint Stock Limited Company, which did not negatively impact the company's stock prices, as both A-shares and H-shares experienced significant increases following the announcement [2][5]. Group 1: Shareholder Activity - Draka Comteq B.V. sold 37.5953 million H-shares on September 19, 2025, reducing its ownership from 5.00% to 0.00% [5]. - Prior to the divestment, Draka Comteq B.V. and China Huaxin Post and Telecommunications Technology Co., Ltd. were co-largest shareholders, each holding 180 million shares, representing 23.73% of the total shares [5]. - The share price of Yangtze Optical Fibre increased by 259.2% for A-shares and 297.42% for H-shares during the period of Draka Comteq B.V.'s divestment [5]. Group 2: Stock Performance - On September 19, 2025, the A-share price closed at 120.62 CNY per share, while the H-share price closed at 61.60 HKD per share, with a market capitalization of 688 billion CNY [2][3]. - The A-share price experienced a limit-up increase of 10% on the same day, while H-shares rose by 8.55% [2][3]. Group 3: Industry Insights - There is growing market interest in hollow-core fiber products related to data centers, which are seen as having significant potential due to their low latency and low loss characteristics [6][7]. - Currently, the market share of fiber optic products related to data centers is relatively small, and hollow-core fiber applications are still in the early stages of development [7]. - Microsoft announced plans to deploy 15,000 kilometers of hollow-core fiber for data centers and AI model connections within the next 24 months [8].

Core Viewpoint - Changfei Fiber Optics (601869) and its cable (06869) saw a significant increase of over 21% in the afternoon, with the stock price doubling within the month, currently trading at 53.1 HKD with a transaction volume of 2.579 billion HKD [1] Group 1: Market Performance - Changfei Fiber Optics' stock price has increased by 18.95% as of the latest report, indicating strong market interest and performance [1] Group 2: Technological Developments - Nvidia recently launched the new Spectrum-XGS Ethernet technology, which integrates geographically dispersed data centers into a unified AI super factory to address the physical limits of power and space in single data centers [1] - The core of the Scale-Across technology is to solve the long-distance, high-performance interconnection issues between distributed data centers, highlighting the importance of advanced communication mediums [1] Group 3: Industry Insights - According to Zhongtai Securities (600918), hollow-core fiber, which uses air as the transmission medium, is characterized by lower latency and lower loss, making it a key product for future AI data center interconnections [1] - The first commercial use of hollow-core fiber by China Mobile (600941) is expected in July 2025, with Changfei Fiber Optics being the sole bidder at an actual bid price of approximately 36,000 RMB per core kilometer [1] - China Telecom (601728) plans two tenders for hollow-core fiber in 2025, with the maximum price limit estimated between 37,000 to 50,000 RMB per core kilometer, suggesting a potential for price reduction as market demand and production capacity expand [1]

Group 1 - Changfei Fiber Optics (06869) saw its stock price increase by over 21% in the afternoon, doubling in value within the month, with a current price of 53.1 HKD and a trading volume of 2.579 billion HKD [1] - Nvidia recently launched the new Spectrum-XGS Ethernet technology, which integrates geographically dispersed data centers into a unified AI super factory to address the physical limits of power and space in single data centers [1] - The core of the Scale-Across technology is to solve the long-distance, high-performance interconnection issues between distributed data centers, making hollow-core fiber an important next-generation optical communication medium [1] Group 2 - According to Zhongtai Securities, hollow-core fiber, which uses air as the transmission medium, features lower latency and lower loss, positioning it as a key product for future AI data center interconnections [1] - The first commercial use of hollow-core fiber by China Mobile is expected in July 2025, with Changfei Fiber being the sole bidder at an actual bid price of approximately 36,000 RMB per core kilometer [1] - China Telecom plans two rounds of bidding for hollow-core fiber in 2025, with prices estimated between 37,000 to 50,000 RMB per core kilometer, and prices are expected to decline to a reasonable range as market demand increases and production capacity expands [1]

Group 1 - Changfei Fiber (601869) and its cable (06869) have seen a price increase of over 13%, reaching a new high of 43.02 HKD, with a cumulative increase of 2.5 times this year [1] - Zhongtai Securities (600918) highlights that hollow-core fiber, which uses air as a transmission medium, has lower latency and loss, making it a key product for future AI data center interconnections [1] - The compound annual growth rate (CAGR) for hollow-core fiber is expected to reach 56.52% over the next six years, with Corning projecting a market opportunity of 1 billion USD by the end of 2030 due to rapid expansion in DCI business [1] Group 2 - China Mobile (600941) has officially launched its first hollow-core fiber, which may lead domestic demand trends, with Changfei and Hengtong making technological breakthroughs and cost reductions to promote large-scale applications [1] - The commercial launch of China Mobile's first hollow-core fiber in July 2025 may accelerate the commercialization process, with Changfei Fiber being the sole bidder at an actual bid price of approximately 36,000 RMB per core kilometer [1] - The focus is on Changfei Fiber, which leads in hollow-core technology capacity and has already won bids for related projects [1]

Group 1 - Changfei Fiber Optics (06869) has seen its stock price rise over 13%, reaching a new high of 43.02 HKD, with a cumulative increase of 2.5 times this year [1] - The company reported a trading volume of 839 million HKD at the time of writing, with a current price of 43 HKD, reflecting a 13.64% increase [1] - Zhongtai Securities highlighted that hollow-core fiber, which uses air as a transmission medium, has lower latency and loss, making it a key product for future AI data center interconnections [1] Group 2 - The report indicates that the compound annual growth rate (CAGR) for hollow-core fiber is expected to reach 56.52% over the next six years, as it is still in the early stages of commercialization [1] - Corning anticipates that the rapid expansion of DCI (Data Center Interconnect) business will create a market opportunity worth 1 billion USD by the end of 2030 [1] - China Mobile's first hollow-core fiber has officially entered commercial use, which may lead domestic demand and accelerate the commercialization process [1] Group 3 - Changfei Fiber Optics is the sole bidder for the project, with the actual winning bid approximately 36,000 RMB per core kilometer [1] - The company is noted for its leading production capacity in hollow-core technology and has already secured contracts in related projects [1] - The commercialization process is expected to accelerate with the launch of China Mobile's first hollow-core fiber by July 2025 [1]