Changjiang Securities·2025-12-04 11:12Investment Rating - The report maintains a "Positive" investment rating for the industry [12] Core Insights - Global AI computing demand is surging, with cloud vendors reporting strong financial results and rapidly accumulating cloud orders. Capital expenditures have been revised upward, significantly increasing investment intensity. The delivery of computing cards is accelerating, and the demand for data center interconnectivity continues to rise. The production capacity for optical chips is fully loaded, and there is a shortage of high-speed optical modules, leading to accelerated expansion in production [4][11] Summary by Sections Cloud Vendors: Strong Financial Performance and Increased Capex - Google Cloud achieved revenue of $102.35 billion in Q3 2025, a year-on-year increase of 15.9% and a quarter-on-quarter increase of 6.1%. The GAAP net profit reached $34.98 billion, up 33.0% year-on-year and 24.1% quarter-on-quarter. The operating margin for Google Cloud was 23.7%, reflecting a significant increase in AI-related service demand [23][26] - Amazon reported Q3 2025 revenue of $180.17 billion, a year-on-year increase of 13.4%. AWS revenue reached $33.01 billion, up 20.2% year-on-year, marking the highest growth rate in nearly 11 quarters. The backlog of AWS orders reached $200 billion [46][48] - Microsoft’s cloud revenue reached $49.10 billion in Q1 FY26, a year-on-year increase of 26%. The Azure and other cloud services revenue grew by 40%, driven by strong demand for AI solutions [55][57] GPU: Strong Demand and Accelerated Shipments - NVIDIA's GB300 saw large-scale shipments, with data center business booming. AMD's MI350 also experienced strong shipments, with significant collaborations with OpenAI [8] High-Speed Interconnect: Chip Shortages and Industry Expansion - Lumentum's optical chip shipments are strong, with future capacity sold out for six consecutive quarters. Coherent is actively expanding its production capacity for optical modules [9] AIDC Supporting Equipment: Network Architecture Expansion and Liquid Cooling Trends - Arista's revenue continues to grow significantly under the AI network strategy, while Vertiv's orders and revenue are also increasing, driven by the demand for liquid cooling and high-power distribution [10] Investment Recommendations - The report recommends several companies based on their strong positions in the AI and computing sectors, including: - Optical Modules: Zhongji Xuchuang, New Fiber, Tianfu Communication, Shijia Photon, Huamao Technology - Liquid Cooling: Invec - Optical Fiber and Cable: Fenghuo Communication, Hengtong Optic-Electric, Zhongtian Technology - Domestic Computing: Guangxun Technology, Huafeng Technology, Runze Technology, Guanghuan New Network, Aofei Data, ZTE Corporation, Unisplendour - AI Applications: Boshi Jie, Heertai, Tuobang Co., Yiyuan Communication, Meige Intelligent, Guanghetong, Ao Jie Technology [11]