YOFC(SH:601869) Jing Ji Guan Cha Bao·2025-05-16 04:32Company Developments - Changfei Company will showcase its innovations in the fields of 5.5G, AI computing power, and green lighting at the 2025 "China Optics Valley" International Optoelectronic Exposition from May 15 to 17, 2025, under the theme "Light Leading a Green Future" [2] - In the 5.5G sector, Changfei has launched several innovative products, including the Farbei® ultra-low loss G.654.E optical fiber, which is ideal for long-distance data center transmission, and various flexible multimode fibers that meet diverse transmission needs [2] - The company also presented a full range of cable solutions, including indoor and outdoor cables, leakage cables, ODN, and submarine cables, ensuring excellent product quality through its advanced drawing technology [2] Breakthroughs in Special Optical Communication - Changfei has made significant breakthroughs in special optical communication and sensing products, introducing a polarizer that effectively blocks reverse transmission signals, enhancing the stability and security of optical communication systems [3] - The company showcased its "Panda" polarization-maintaining fiber and other star products, demonstrating its deep expertise and innovative capabilities in the special fiber sector [3] AI Green Computing Solutions - In response to the explosive growth of data driven by AI computing and reasoning, Changfei launched AI green computing solutions centered around hollow-core and multi-core fibers [3] - The hollow-core fiber, a disruptive technology for next-generation optical communication, achieves efficient signal transmission in air cores, with a speed increase of approximately 47% and a delay reduction of about 31% compared to conventional fibers [3] - At the recent OFC in March, the company demonstrated the latest advancements in hollow-core fiber technology, achieving a single fiber length exceeding 20 kilometers and a minimum attenuation coefficient of 0.05 dB/km, setting a new global record [3][4] Multi-Core Fiber Applications - The application of multi-core fibers has significantly increased transmission capacity to dozens of times that of conventional single-mode fibers, enhancing information transmission efficiency and reducing cable volume by over 75% [4] - Changfei also showcased 400G/800G high-speed optical modules and high-density integrated wiring products, effectively covering the optical interconnection needs of intelligent computing hubs from 7 meters to 2 kilometers [4] Green Lighting Innovations - In the green lighting sector, Changfei introduced an intelligent sunlight introduction system that uses specialized optical fiber lamps and lighting cables to bring outdoor natural light indoors, addressing the needs for green lighting, environmental health, energy conservation, and low-carbon living [4] - This system has been successfully applied in various locations, including Shanghai Hongqiao, Xiamen North Station, and residential villas [5]