Changjiang Securities·2025-08-03 23:30Investment Rating - The report maintains a "Positive" investment rating for the communication industry [12]. Core Insights - The communication sector saw a 2.94% increase in the 31st week of 2025, ranking first among major industries in the Yangtze River region. Year-to-date, the sector has risen by 20.52%, ranking third [2][7]. - Strong financial performance and order growth from the four major North American cloud service providers indicate a robust capital expenditure trend, driven by the acceleration of AI commercial applications and sustained demand in the overseas computing power chain [8]. - The adoption of liquid cooling technology is accelerating, with significant opportunities identified in the liquid cooling supply chain [9][10]. Summary by Sections Market Performance - In the 31st week of 2025, the communication sector increased by 2.94%, leading the Yangtze River industry rankings. Since the beginning of the year, the sector has grown by 20.52%, placing it third overall. Notable stock performances include: - Top gainers: Invech (+29.6%), Changfei Fiber (+25.8%), Tianfu Communication (+25.2%) - Top losers: Dawi Technology (-7.2%), Runze Technology (-6.5%), Aofei Data (-6.4%) [2][7]. North American Cloud Providers - The financial results of the four major North American cloud providers exceeded expectations: - Microsoft reported revenues of 764 billion and net profits of 272 billion, with a year-on-year growth of 18% and 24% respectively. Azure services saw a 39% increase [8]. - Meta's revenue reached 475 billion with a net profit of 183 billion, marking a 22% and 36% increase year-on-year [8]. - AWS reported revenues of 309 billion, up 18% year-on-year, with a backlog of 1950 billion, a 25% increase [8]. - Google's cloud business revenue was 136 billion, a 32% increase, with a backlog of 1060 billion, up 38% [8]. Liquid Cooling Technology - Vertiv's Q2 2025 results showed net sales of 2.64 billion, a 35% increase, and net profits of 490 million, up 28%. The company raised its full-year guidance, expecting net sales to reach 10 billion, a 25% increase [9]. - Microsoft announced that all Azure data center regions now support liquid cooling deployment, indicating a significant shift in infrastructure [9]. - The report highlights the growing importance of liquid cooling technology in the industry, with several companies making advancements in this area [10]. Investment Recommendations - The report recommends focusing on the following companies: - Telecom Operators: China Mobile, China Telecom, China Unicom - Optical Modules: Zhongji Xuchuang, Xinyi Sheng, Tianfu Communication - Domestic Computing: Fenghuo Communication, Huafeng Technology, Invech - AI Applications: Heertai, Tuobang Technology, Yiyuan Communication - Satellite Applications: Haige Communication, Huace Navigation [10].