Tianfeng Securities·2025-09-04 01:22Investment Rating - Industry Rating: Outperform the market (maintained rating) [5] Core Viewpoints - The overseas computing power industry chain remains highly prosperous and has not been impacted by DeepSeek or trade frictions, with stronger fundamental resonance in the related industry chain. The AI industry is viewed as the annual investment mainline, with expectations for 2025 to be a year of competition in domestic AI infrastructure and application breakthroughs [2][17] - The report emphasizes the importance of "AI + overseas expansion + satellite" as core investment opportunities, highlighting sectors such as optical modules, liquid cooling, and domestic computing power lines [2][18] Summary by Sections 1. Artificial Intelligence and Digital Economy - Key recommendations for optical modules and optical devices include companies like Zhongji Xuchuang, Xinyi Sheng, Tianfu Communication, and Yuanjie Technology. Suggested companies to watch include Guangxun Technology and Sors Technology [3][20] - For switch server PCBs, recommended companies are Hudian Co., Zhongxing Communication, and Unisplendour. Other companies to monitor include Shengke Communication and Ruijie Networks [3][20] - Low valuation and high dividend opportunities in cloud and computing IDC resources are identified in China Mobile, China Telecom, and China Unicom [3][20] - AIDC and cooling solutions highlight key recommendations for companies like Yingweike and Runze Technology, with additional companies suggested for attention [3][20] - AIGC applications and edge computing power focus on companies like Yiyuan Communication and Guanghe Communication, with other companies recommended for monitoring [3][20] 2. Offshore Wind and Submarine Cables & Intelligent Driving - Key recommendations for the offshore wind and submarine cable sector include Hengtong Optic-Electric, Zhongtian Technology, and Oriental Cable [4][21] - The report highlights the recovery of overseas expansion and concentration on leading companies such as Huace Navigation and Weisheng Information, with additional companies suggested for attention [4][21] - In intelligent driving, companies to watch include module and terminal manufacturers like Guanghe Communication and Meige Intelligent [4][21] 3. Satellite Internet and Low-altitude Economy - The acceleration of national defense informatization and low-orbit satellite development is emphasized, with key recommendations for Huace Navigation and Haige Communication [5][22] - Suggested companies for attention in the satellite internet sector include Chengchang Technology and Zhenlei Technology [5][22] 4. Market Performance Review - The communication sector rose by 12.55% during the week of August 25-29, outperforming the CSI 300 index by 9.84 percentage points [23][24] - Notable individual stock performances included Tianfu Communication and Changfei Optical Fiber, with significant declines in stocks like *ST Gaohong [26][27]