从供给端而言：光棒扩产周期长，工艺要求高，短期供给或趋紧。传统光棒扩产周期较长，光纤制备方 法中熔芯拉伸法适用于长距离光纤，主要包括预制棒成型以及光纤拉丝，其中主流预制棒制备方法包括 PCVD、OVD、VAD三种，光纤拉丝是将预制棒通过光纤拉丝塔进行高温拉丝，拉丝过程并不复杂，但 需协调下棒速度、炉内温度、拉丝速率等，对厂商技术成熟度及精密控制良率 要求较高，扩产难度较 大。 该行指短期或将供不应求，重视光纤光缆投资机会，随着全球AI蓬勃发展，或持续驱动数据中心内部 与DCI互联对光纤光缆的需求。短期来看，全球厂商扩产能力有限，或将形成供不应求的格局。该行认 为光纤光缆需求与价格有望维持稳步提升。该行推荐标的：亨通光电(600487.SH)、中天科技 (600522.SH); 受益标的：长飞光纤(06869,601869.SH)、永鼎股份(600105.SH)、烽火通信(600498.SH)及 特发信息(000070.SZ) 。 智通财经APP获悉，开源证券发布研报称，从需求端而言，随着AI大模型训练侧持续迭代，推理侧AI应 用落地加速，或持续拉动全球光纤光缆需求。面向数据中心内部的海量数据流动需求，高端单模 ...

Core Viewpoint - The continuous iteration of AI large model training and the acceleration of AI application implementation are expected to drive global demand for optical fibers and cables, particularly in data centers [1][2]. Demand Side - The construction of AI data centers and DCI interconnections is likely to sustain the demand for optical fibers and cables, with high-end single-mode and multi-mode fibers, along with ultra-high-speed optical modules, facilitating efficient short-distance data transmission and flexible interconnections [2]. - G.654.E optical fibers significantly enhance transmission distance and system capacity, contributing to the development of more efficient and economical long-distance high-bandwidth networks [2]. - The demand for hollow-core fibers is anticipated to gradually increase due to their advantages such as low latency, wide spectrum, low loss, and low nonlinearity, with active promotion of new technologies in both domestic and international markets [2]. Supply Side - The production cycle for traditional optical preforms is long, and the manufacturing process has high technical requirements, leading to potential short-term supply tightness [2]. - The expansion of optical fiber production capacity is constrained by the lengthy production cycle of optical preforms and the need for high precision in the manufacturing process, which may result in a tight supply situation in the short term [2]. - According to predictions from the Asia-Pacific Optical Fiber and Cable Industry Association and the China Academy of Information and Communications Technology, global demand for optical fibers and cables is expected to reach hundreds of millions of core kilometers by 2025, maintaining a growth trend [2]. Investment Opportunities - The global development of AI is likely to continue driving demand for optical fibers and cables in data centers and DCI interconnections, creating a potential supply-demand imbalance in the short term [3]. - Recommended investment targets include Hengtong Optic-Electric and Zhongtian Technology, with beneficiaries including Yangtze Optical Fibre and Cable, Yongding Holdings, FiberHome Technologies, and TeFa Information [3].

Investment Rating - The industry investment rating is "Overweight" (maintained) [1] Core Insights - The demand for optical fibers and cables is expected to be driven by the construction of AI data centers and DCI interconnections, with a significant increase in global demand anticipated due to the ongoing evolution of AI large model training and application deployment [4] - The supply side faces challenges as the production cycle for optical preforms is long and the manufacturing process is complex, leading to potential short-term supply tightness [5] - The report highlights a potential supply-demand imbalance in the short term, with a recommendation to focus on investment opportunities in the optical fiber and cable sector [6] Demand Side Summary - The demand for optical fibers and cables is expected to grow due to the increasing need for high-density and low-power data transmission in data centers, driven by AI applications [4] - The G.654.E optical fiber is noted for its ability to enhance transmission distance and system capacity, contributing to the development of more efficient long-distance high-bandwidth networks [4] - New technologies such as hollow-core fibers are being actively developed, which may lead to increased demand in the long term due to their advantages in low latency and low loss [4] Supply Side Summary - The production of optical preforms is characterized by a long expansion cycle and high technical requirements, which may lead to a tight supply situation in the short term [5] - The report cites predictions from the Asia-Pacific Optical Fiber and Cable Industry Association and the China Academy of Information and Communications Technology, estimating that global demand for optical fibers and cables could reach hundreds of millions of core kilometers by 2025 [5] - Prices for optical fibers have shown a significant rebound since May, indicating a positive outlook for demand and pricing driven by AI data center construction [5] Investment Opportunities - The report recommends focusing on investment opportunities in the optical fiber and cable sector, specifically highlighting companies such as Hengtong Optic-Electric and Zhongtian Technology as primary targets, with additional beneficiaries including Yangtze Optical Fibre and Cable, Yongding Co., FiberHome Technologies, and TeFa Information [6]

Group 1 - The construction of the 6G communication equipment R&D and manufacturing base in Wuhan is progressing rapidly, with key platforms like the 6G integrated sensing and computing laboratory being established [1][3] - China Information Communication Technologies Group (CICT) is leading the development of 6G and satellite internet technologies, holding thousands of 6G patents and being at the forefront of key technologies such as space-ground integration and ultra-dimensional antennas [3] - The optical electronics industry in Hubei has surpassed a trillion scale, with companies like Huagong Technology and Changfei Company making significant advancements in optical modules and fiber optics, respectively [4][7] Group 2 - Huagong Technology's optical electronics innovation park is set to deliver over 40 million high-speed optical modules annually by 2027, generating an output value exceeding 30 billion [4] - Changfei Company has developed hollow-core optical fibers that are now applied in commercial lines by China's three major telecom operators, showcasing the industry's capability in next-generation core technologies [7]

Core Viewpoint - The company launched the "AI-2030" strategy aimed at becoming a leader in global AI optical connectivity infrastructure through technological innovation and ecosystem collaboration [2] Group 1: Strategic Focus - The "AI-2030" strategy emphasizes the need for new optical fiber networks to support the data flow generated by the digital transformation in various industries [2] - Key products in the strategy include G.654.E optical fiber, multi-core optical fiber, high-end multi-mode optical fiber, ultra-high-speed optical modules, and hollow-core optical fiber, which are designed to create super high-capacity, low-latency, and low-loss networks [2] Group 2: Ecosystem Collaboration - The strategy prioritizes collaborative development across the industry chain, leveraging national key laboratories to promote pilot projects and commercialization of new products like multi-core and hollow-core optical fibers [3] - The company is actively involved in setting domestic and international standards for products and technologies such as G.654.E and hollow-core optical fiber, fostering comprehensive industry chain collaboration [3] Group 3: Market Expansion - The company has established 8 production bases in 6 countries and over 20 overseas platforms, providing products and services to more than 100 countries and regions [3] - A dual strategy is employed to promote global digitalization, partnering with global operators for AI network construction and establishing communication infrastructure in underdeveloped areas [3] Group 4: Sustainable Development - The "AI-2030" strategy aligns with green sustainable development, achieving a 40% increase in energy efficiency, a 20% rise in production efficiency, and a 20% reduction in operating costs [4] - The company integrates AI technology into smart manufacturing and has been recognized as a "green factory" by the national government [4] - The strategy promotes a sustainable supply chain through green procurement, packaging, logistics, and recycling initiatives [4] Group 5: Investment and Competitiveness - To enhance competitiveness, the strategy emphasizes multi-field collaboration and the establishment of investment funds in areas such as industrial lasers, third-generation semiconductors, and robotics [4]