Core Viewpoint - Changfei Fiber Optics (601869) and its subsidiary are experiencing significant stock price increases due to advancements in fiber optic technology and strong market demand driven by AI and data centers [1] Group 1: Company Performance - Changfei Fiber Optics' stock rose over 6% and is currently trading at 57.2 HKD with a transaction volume of 2.457 billion HKD [1] - The company secured a 50% share in a centralized procurement of G.654.E optical cable products by China Mobile, which totaled 3.1386 million core kilometers [1] Group 2: Industry Developments - A new type of hollow-core fiber developed by the Lumenisity research team, supported by Microsoft, has achieved the lowest signal attenuation level ever recorded, marking a significant breakthrough in optical communication technology [1] - The demand for optical fibers is accelerating due to the increasing interconnect needs of AI-driven data centers, prompting major companies, including Microsoft and domestic firms, to expedite their investments in hollow-core fiber technology [1] Group 3: Product Performance - As data center clusters grow in scale, the performance requirements for optical fiber products, such as effective transmission distance and latency, have increased [1] - Changfei's high-end multimode fibers and its subsidiary Changxin Bochuang's MPO jumpers and AOC components used in data centers have all seen performance growth [1]

Group 1 - The core point of the article highlights a significant breakthrough in optical communication technology with the development of a new type of hollow-core fiber by the Lumenisity research team, supported by Microsoft, achieving the lowest signal attenuation level ever recorded [1] - The optical fiber industry is accelerating its evolution due to the increasing demand for interconnected data centers driven by AI, with major companies, including Microsoft, intensifying their investments in hollow-core fiber technology [1] - In June, China Mobile conducted a centralized procurement for G.654.E optical cable products, with a total procurement volume of 3.1386 million core kilometers, and Longi Fiber Optic secured a 50% share of this procurement [1] Group 2 - As data center clusters grow in scale, the performance requirements for optical fiber products, such as effective transmission distance and latency, have significantly increased, leading to growth in Longi's mid-to-high-end multimode fibers and optical interconnect components [1] - Longi's subsidiary, Changxin Bochuang, has seen performance growth in products like MPO jumpers and AOC used in data center markets [1]