Zhong Guo Neng Yuan Wang·2025-12-17 04:03Core Insights - The data center industry has become a core incremental application scenario for the power equipment sector, directly driving demand growth and technological iteration in power equipment [1] - The capital expenditure (CapEx) in the data center industry is characterized by large scale, long investment return cycles, and rapid technological iteration, necessitating the incorporation of AI industry multidimensional indicators for accurate demand forecasting [1] Demand Side - Overseas capital expenditure from major companies reached $99.617 billion in Q3 2025, reflecting an 80.39% year-on-year increase and a 9.54% quarter-on-quarter rise [2] - Domestic capital expenditure showed a slowdown, with Alibaba's CapEx at 31.501 billion yuan, an 80.10% year-on-year increase but a 18.55% quarter-on-quarter decrease, while Tencent's CapEx was 12.983 billion yuan, down 24.05% year-on-year and 32.05% quarter-on-quarter [2] Supply Chain - Nvidia reported a record revenue of 362.571 billion yuan in Q3 2025, with data center products accounting for over 85% of total revenue, marking a 62.49% year-on-year increase [2] - TSMC's revenue in November 2025 reached 343.614 billion New Taiwan dollars, a 24.5% year-on-year increase, despite a 6.5% quarter-on-quarter decline [2] - The CPU price index rose to 98.20 in October 2025, while DRAM spot prices surged over 200% from $12.85 to $38.76 between October and December 2025, indicating strong server demand [2] Application Side - The number of AI models is steadily increasing, with the Token call volume on the OpenRouter platform reaching 5.78 trillion, a 6.62% decrease week-on-week [3] - The release of new models such as Grok4Fast and GPT-5nano led to a more than 50% price drop for Tokens scoring over 40 on the ArtificialAnalysis intelligence index in Q3 2025 [3] Investment Recommendations - The construction of AI data centers is expected to drive demand for SST, with an estimated 14 GW of new data center installations globally in 2024, maintaining high growth rates [3] - Recommended stocks include Sunshine Power (300274.SZ), with additional attention to Kehua Data (002335.SZ), Keda Electronics (002518.SZ), Kelu Electronics (002121.SZ), Magmi Tech (002851.SZ), Jinpan Technology (688676.SH), and Sifang Co. (601126.SH) [3]