Changjiang Securities·2025-10-21 10:14Investment Rating - The report maintains a "Positive" investment rating for the communication industry [9]. Core Insights - The communication sector experienced a decline of 5.63% in the 42nd week of 2025, ranking 28th among primary industries in the Yangtze River region. However, since the beginning of 2025, the sector has risen by 50.74%, ranking 2nd among primary industries [2][4]. - OpenAI has partnered with NVIDIA, AMD, and Broadcom to establish a 26 GW computing power layout, launching a $1 trillion five-year plan to support long-term expansion through diversified business models [5][7]. - At ECOC 2025, Broadcom's CPO achieved a million-port-hour fault-free operation with a 65% reduction in power consumption. The OCP 2025 introduced the ESUN standardized project to accelerate the evolution of optical interconnects within open Ethernet ecosystems [6][7]. Summary by Sections Market Performance - In the 42nd week of 2025, the communication sector fell by 5.63%, while it has increased by 50.74% since the start of the year, ranking 2nd among primary industries [2][4]. OpenAI's Strategic Initiatives - OpenAI's five-year plan includes partnerships with NVIDIA for a 10 GW AI computing cluster, AMD for 6 GW of GPU deployment, and Broadcom for developing ASIC chips, totaling approximately 26 GW of computing power with an investment exceeding $1 trillion [5]. Technological Developments - Broadcom's CPO switch demonstrated zero link disruption over a million 400G equivalent port hours, with a significant reduction in optical power consumption. The ESUN project aims to standardize Ethernet for low-latency, high-reliability applications, promoting the transition from proprietary solutions to standard Ethernet [6]. Investment Recommendations - The report recommends several companies across various segments, including: - Telecom Operators: China Mobile, China Telecom, China Unicom - Optical Modules: Zhongji Xuchuang, Xinyi Sheng, Tianfu Communication - Liquid Cooling: Yingweike - AI Applications: Boshi Jie, Heertai, Tuobang Co., Yiyuan Communication - Satellite Applications: Huace Navigation, Haige Communication [7].