Zhi Tong Cai Jing·2025-08-19 03:32Group 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]