Summary of Conference Call on Hollow Fiber Optics Industry Industry Overview - The hollow fiber optics industry is gaining traction due to its low latency and low loss characteristics, making it highly suitable for data center interconnects, with transmission speeds up to 4 orders of magnitude faster than traditional fibers [1][2] - The domestic market for hollow fiber optics is currently expensive, with China Mobile's procurement price for Longi hollow fiber reaching a maximum of 150,000 yuan per core kilometer, which is 2,500 times that of solid fiber optics [1][4] Key Insights - **Market Demand and Pricing**: The actual bidding price for hollow fiber optics is approximately 36,000 yuan per core kilometer, influenced by the early commercial stage and limited production capacity from leading companies [1][5] - **Global Market Trends**: Microsoft has acquired Nanosity and plans to deploy 15,000 kilometers of hollow fiber optics in the next two years, indicating strong interest from major tech companies like Meta and Google [1][6] - **Future Growth Projections**: Corning anticipates that the global network connectivity business will reach $1 billion by the end of 2023, with a compound annual growth rate (CAGR) of about 56% in the coming years [1][8] Competitive Landscape - The competitive landscape is characterized by both established companies like Corning and Yangtze Optical Fiber and new startups that collaborate with internet giants, allowing for a mix of dominance and opportunity in the market [1][7] - Major players in the traditional fiber optics market are expected to maintain their positions in the hollow fiber era, while startups can find growth opportunities through partnerships [1][7] Investment Opportunities - Significant investment opportunities exist in the hollow fiber optics sector, particularly for data center interconnects, with projects like the East Data West Computing initiative driving demand [1][12] - Companies to watch include Longi Fiber, Hengtong, and Fenghuo, as well as those in the connection chip and module sectors like LightSpeed Technology and Dekoli [1][12][14] Challenges and Opportunities in Traditional Fiber Market - The traditional fiber optics market faces challenges due to declining capital expenditures from operators, but opportunities arise from expanding overseas markets and decreasing raw material costs [1][13] - The export volume of multimode fibers is expected to grow, with a projected 24.8% increase in fiber exports in 2024 [1][11] Conclusion - The hollow fiber optics market is poised for rapid growth, driven by technological advancements and increasing demand from major tech companies, while traditional fiber optics companies can benefit from cost reductions and export opportunities [1][8][13]

Summary of Conference Call Industry Overview - The focus of the conference call was on the AI and optical fiber industry, particularly following the release of GPT-5, which has continued the positive business cycle in the sector [1] - The optical fiber industry is experiencing significant growth due to the influence of AI technologies, with companies like Corning reporting substantial revenue increases [1][8] Key Insights and Arguments - The introduction of GPT-4 has led to a 26% reduction in major error rates and a decrease in deceptive behaviors from 4.8% to 2%, indicating substantial improvements in AI capabilities [2] - The estimated annual revenue for AI-related services could reach $20 billion by the end of the year, reflecting a significant increase in user engagement and payment willingness [3] - Companies are increasingly using AI for code generation, enhancing efficiency and leading to a willingness to pay for these services, with some users reportedly paying $200 monthly [4] - The demand for optical fibers is outpacing supply due to long production cycles, with a projected timeline of 1-2 years for capacity expansion [9] - The price of multimode optical fibers has surged to 20 times that of standard fibers, while hollow fibers are priced at 100 times, indicating a dramatic increase in market value [13] Financial Performance and Projections - Corning's performance has shown a significant increase in net profit margins, with the optical fiber segment experiencing a shift from a 5% to a 40% net profit margin [12] - Domestic optical fiber companies are capturing over 50% of the global market share, with leading firms like Changfei and Hengtong showing strong production capabilities [10] - Hengtong plans to achieve an annual production capacity of 4 million kilometers by 2026, representing a growth of over 150% compared to the current year [11] Potential Investment Opportunities - The optical fiber sector is highlighted as a key area for investment, with recommendations for companies like Tonghua and Hengtong, which are positioned well for future growth [15] - The AI data center's optical fiber profits have surpassed those of traditional telecom operators, suggesting a shift in profitability dynamics within the industry [14] Additional Considerations - The conference call emphasized the importance of monitoring developments in the optical fiber market, particularly in relation to AI applications and the evolving demand landscape [15] - Future discussions will include a focus on cellular communication and the role of domestic server manufacturers like Huawei, which are gaining market traction [15]

中泰证券（600918）发布研报称，空芯光纤是未来AI数据中心互联的主要品种；随着AI带来数据中心 建设，DC内MPO亦有望带来特种光纤增量需求。鉴于空芯光纤这一细分领域市场刚起步，未来竞争格 局或将仍有头部企业主导，但初创企业结合头部CSP大厂仍有一定机会。中国移动（600941）首条空芯 光纤正式商用，运营商或将引领国内需求节奏、技术突破，成本下降将推动规模应用。 中泰证券主要观点如下： 空芯光纤以空气为传输介质，其具备更低时延和更低损耗两种主要特性，是未来AI数据中心互联的主 要品种 空芯光纤的导光原理是以特殊微结构形成的光子禁带或反谐振效应来抑制纤芯中光的横向泄漏，实现低 折射率纤芯中的轴向光传输。空芯光纤中绝大部分光能量(95%以上)在空气芯中传输，非线性效应和延 迟较小，损伤阈值高，热稳定性好，且其超低时延(较传统光纤降低30%)和超低损耗(0.1dB/km以下)特 性，可支撑金融高频交易、AI算力集群跨地域互联等时延敏感场景。此外，随着AI带来数据中心建 设，DC内MPO亦有望带来特种光纤增量需求。 海外微软引领空芯光纤技术、产品及商业化，DCI初创企业进展迅速 海外微软或将长期引领空芯行业，2 ...

Economic Environment - Wuhan's industrial investment exceeded 580 billion CNY, with industrial investment growth at 15.1%[11] - The software business revenue reached 350 billion CNY, growing by 15%[14] - New registered business entities surpassed 550,000, ranking second among sub-provincial cities[15] Innovation and Technology - The total number of patent applications reached 952,668, with 456,532 being invention patents[23][25] - The patent quality index for Wuhan is 65.06, ranking 12th among similar regions in China[32] - The number of PCT applications indicates a growing global market awareness among local enterprises[34] Innovation Institutions - Wuhan has a diverse range of innovation institutions, including 2,288 entities, with a significant increase in private tech companies[41] - The top innovative institutions include Huazhong University of Science and Technology and Wuhan University, with innovation power indices above 94[53] Intellectual Property - The total trademark applications reached 1,008,908, indicating a vibrant market for new products[29] - The number of active patents in substantive examination reflects a high level of recent innovation activity[27] Innovation Trends - Patent applications and authorizations have shown consistent growth over the past three years, outpacing the national average[34] - The trend in trademark applications suggests a shift towards a dual-driven innovation model combining technology and branding[34]

Summary of Conference Call Records Industry Overview - The conference call discusses the impact of AI technology on various sectors, particularly focusing on the optical fiber industry and the performance of companies involved in AI and optical modules [1][2][4]. Key Points and Arguments 1. **AI Technology and Market Growth** - AI technology has significantly improved efficiency, with ChatGPT achieving 700 million weekly active users and 5 million paid enterprise users, marking a 60% year-over-year growth. Annual revenue reached $13 billion, expected to hit $20 billion by year-end [1][2]. - Also Pick reported AI revenue of $4 billion in the first half of the year, a 300% increase year-over-year [1][3]. 2. **Impact on Employment and Investment** - The wave of layoffs in Silicon Valley is closely linked to AI, as many coding tasks are now performed by AI, reducing the need for human labor. Domestic investment managers are also leveraging AI for quantitative stock selection, enhancing efficiency [4]. 3. **Optical Module Market Dynamics** - The optical module market is rapidly evolving, with expectations for Nvidia to revise its 1.6T projections. Server OEMs have significantly increased their order guidance, indicating a potential upside in performance metrics [5]. 4. **Company Performance and Recommendations** - Yizhongtian is highlighted as a leading player in the optical module sector, with substantial growth potential. Tianfu and Xuchuang are also noted for their high purity and market share in the 1.6T segment [6]. 5. **Liquid Cooling Technology** - Liquid cooling technology has become a standard for GP300, with companies like Yingwei being recommended for their strong performance and future analysis plans [7]. 6. **Corning's Market Position** - Corning is experiencing a surge in demand for high-density, high-speed interconnects due to the shift in AI cluster architecture, which is expected to drive significant growth [8]. 7. **Fiber Optic Demand Trends** - Demand for data center fiber optic cables has doubled year-over-year, leading to a supply shortage due to long expansion cycles [9]. 8. **Profit Margins in Fiber Optics** - High-end multimode fiber optics have gross margins significantly higher than standard fiber optics, with expected net margins exceeding 40% [10]. 9. **Domestic Manufacturers' Market Share** - Domestic manufacturers hold over 50% of the global market share, with Changfei leading in capacity, followed by Fenghuo and Zhongtian. Hengtong is expanding its AI advanced fiber materials manufacturing center [11]. 10. **Pricing Trends and Future Outlook** - The price of multimode fiber is 20 times higher than standard single-mode fiber, while hollow fiber is 100 times more expensive, reflecting the value added by technological advancements [12]. 11. **Profit Comparison Between Data Centers and Telecom Operators** - AI data centers utilizing advanced technologies are achieving higher profits than traditional telecom operators, indicating a potential for significant profit growth for companies like Fenghuo and Hengtong [13]. 12. **Fenghuo Communication's Future Potential** - Fenghuo Communication has a solid foundation in the data center sector and ranks highly within Huawei, suggesting substantial future growth potential [14].

Investment Rating - The report suggests a positive investment outlook for the hollow-core fiber industry, with a projected compound annual growth rate (CAGR) of 56.52% over the next six years [6][39]. Core Insights - Hollow-core fiber, utilizing air as the transmission medium, offers significantly lower latency (30% reduction compared to traditional fibers) and lower loss (below 0.1 dB/km), making it suitable for time-sensitive applications such as financial high-frequency trading and AI data center interconnections [6][14]. - Microsoft is leading the commercialization of hollow-core fiber technology, planning to deploy 15,000 kilometers for data center and AI model connections within the next 24 months [6][34]. - The hollow-core fiber market is still in its early commercialization phase, with significant growth opportunities as demand from data center interconnections (DCI) expands [6][39]. Summary by Sections Hollow-Core Fiber Technology - Hollow-core fiber transmits over 95% of its energy in air, resulting in minimal non-linear effects and high thermal stability, which supports high-speed data transmission [6][12]. - The technology is expected to revolutionize traditional fiber optics by overcoming physical limitations associated with glass fibers [6][14]. Market Dynamics - The global market for hollow-core fiber is projected to reach $1 billion by the end of 2030, driven by rapid DCI business expansion [6][39]. - The competitive landscape is expected to remain stable, dominated by major players like Corning and domestic companies such as Yangtze Optical Fibre and Cable [6][39]. Domestic Developments - China Mobile's first commercial deployment of hollow-core fiber in July 2025 marks a significant milestone in the domestic market, with expectations for increased demand and reduced costs as production scales up [6][46]. - Major Chinese companies like Yangtze Optical and Hengtong are making technological breakthroughs that will further drive down costs and enhance market adoption [6][49]. Investment Recommendations - The report highlights key companies to watch, including Yangtze Optical Fibre, Hengtong, and FiberHome, which are positioned to benefit from the growth in hollow-core fiber technology and DCI demand [6][46].

Core Viewpoint - Changfei Fiber's stock price closed at 54.90 yuan on August 11, down 1.47% from the previous trading day, indicating a slight decline in market performance [1] Company Overview - The company specializes in the research, development, production, and sales of optical fiber preform, optical fibers, and optical cables, which are widely used in communication network construction [1] - As a significant player in China's optical fiber and cable industry, the company's product line covers a complete industrial chain from raw materials to finished products [1] Market Activity - On August 11, the trading volume was 162,800 hands, with a transaction amount of 904 million yuan [1] - The stock reached a maximum of 57.75 yuan and a minimum of 54.14 yuan during the day, with a volatility of 6.48% [1] Capital Flow - On August 11, the net outflow of main funds was 50.3968 million yuan, accounting for 0.23% of the circulating market value [1] - However, over the past five trading days, there has been an overall net inflow of funds, totaling 84.36 million yuan, which represents 0.38% of the circulating market value [1]

Market Overview - The Hong Kong stock market experienced a decline of 0.89%, attributed to internal structural issues despite positive market sentiment [1] - Concerns about "stagflation" in the US economy were highlighted, with initial jobless claims rising to 226,000, exceeding economists' expectations of 221,000 [1] - The US added 73,000 jobs in July, below the expected 100,000, while the personal consumption expenditure inflation rate rose to 2.6% year-on-year in June, higher than the anticipated 2.5% [1] Company Performance - Crocs projected a revenue decline of 9% to 11% for Q3, leading to a nearly 30% drop in its stock price, marking its lowest point in three years [1] - Semiconductor companies like SMIC and Hua Hong Semiconductor reported better-than-expected Q2 results, with SMIC's Q3 revenue guidance indicating a 5-7% increase and Hua Hong's a 11.3% increase [2] - AI application company Mingyuan Cloud turned a profit of 12.09 million to 15.41 million RMB, recovering from a loss of 115.37 million RMB last year, driven by product optimization and AI technology [3] Sector Insights - The pharmaceutical sector showed mixed results, with companies like Rongchang Bio and Junshi Biosciences seeing stock increases of over 6%, while Hutchison China MediTech's stock fell nearly 16% despite a significant profit increase due to asset sales [3] - The real estate sector in Hong Kong faced caution, with Wharf Holdings expressing a pessimistic outlook on retail rental prospects, resulting in an 8% stock drop [4] - Gold stocks remained strong, with companies like Zhaojin Mining and Shandong Gold benefiting from a weaker dollar [4] Infrastructure Developments - The establishment of the Xinjiang section of the New Tibet Railway, with a total investment of up to 350 billion RMB, is expected to boost related sectors, leading to stock increases in construction companies [4] - The MSCI announced the addition of 14 new stocks to its China index, including companies like 3SBio and Meituan, indicating potential investment opportunities [6] Emerging Technologies - The low Earth orbit satellite launch pace is accelerating, with multiple successful launches planned for the second half of the year, enhancing China's capabilities in satellite communications [7] - Companies like Interstellar Aerospace Technology are developing AI application satellites and aim to capture a significant market share in optical remote sensing satellites by 2028 [8] Individual Company Strategies - Smoore International is focusing on business transformation, with expectations of improved performance in HNB products following successful launches in Japan [9] - The company is diversifying into aerosol technology for beauty and medical applications, positioning 2025 as a critical year for growth [10]

Core Viewpoint - The Korea Trade Commission has made a preliminary affirmative ruling on anti-dumping measures against single-mode optical fibers originating from China, suggesting a temporary anti-dumping duty of 43.35% on specific Chinese companies and other manufacturers/exporters [1] Group 1: Anti-Dumping Investigation - The investigation was initiated on March 7, 2025, focusing on single-mode optical fibers from China [1] - The dumping investigation period is set from July 1, 2023, to June 30, 2024, while the injury investigation period spans from January 1, 2021, to December 31, 2024 [1] Group 2: Affected Companies - The companies affected by the ruling include Hengtong Optic-Electric Co., Ltd., Yangtze Optical Fibre and Cable Joint Stock Limited Company, and Hangzhou Jinxingtong Optical Fiber Technology Co Ltd., along with their affiliates and other Chinese manufacturers/exporters [1] - The products under investigation fall under the Korean tax code 9001.10.0000, excluding low-loss fiber bundles, cables, and single-mode fibers specified as G.652.D primarily used for optical equipment [1]

消息面上，隔夜英伟达昨晚收涨3.62%报每股180美元，再创收盘新高。国金证券近日研报指出，海外 AI产业链业绩及资本开支超预期，AI算力硬件需求持续强劲。全球AI产业链公司陆续公布2025Q2业 绩，很多公司AI业绩超预期，Meta及微软也发布了超预期的Q2业绩，并对2026年资本开支展望乐观。 值得注意的是，长飞光纤光缆近期公告指出，公司注意到近期市场对算力数据中心相关光纤光缆产品， 尤其是空芯光纤关注度较高。与数据中心相关的光纤光缆产品占全球光纤光缆需求总量的比例较小，其 中，空芯光纤作为行业前沿产品，其应用目前仍处于早期阶段，尚未形成规模销售、尚未形成稳定的价 格及利润水平。空芯光纤从早期试用验证到规模商用仍需产品及产业链进一步成熟，目前相关业务尚未 对公司财务数据产生明显影响，后续发展存在不确定性。 长飞光纤（601869）光缆(06869)涨超6%，近一个月股价累涨超五成，公司A股今日涨停。截至发稿， 涨6.21%，报30.46港元，成交额11.87亿港元。 ...