Group 1 - The company's stock price on August 5 closed at 14.64 yuan, an increase of 0.04 yuan, representing a rise of 0.27% from the previous trading day [1] - The trading volume on that day was 71,219 hands, with a total transaction amount of 1.04 billion yuan [1] - The company specializes in the research and production of magnetic components, power supplies, and special transformers, with applications in consumer electronics, automotive electronics, and data centers [1] Group 2 - The company has disclosed that its dry transformers and high-frequency transformers can be used in power supply solutions for data centers and computing power centers [1] - Additionally, the company has indicated that some of its coil products are suitable for frameless torque motors and axial flux motors [1] - As of July 31, the number of shareholders was 34,219, a decrease of 5.8% from the previous period [1] Group 3 - On August 5, the net outflow of main funds was 3.1606 million yuan, with a cumulative net outflow of 9.0940 million yuan over the past five days [1]

Group 1 - The company, Jingquanhua (002885.SZ), has indicated that it currently offers dry-type transformers and high-frequency transformers that can be applied in power supply solutions for data centers and computing power centers [1]

证券日报网讯京泉华（002885）7月30日在互动平台回答投资者提问时表示，公司目前有干式变压器和 高频变压器等产品可应用于数据中心、算力中心的供电解决方案中。 ...

Group 1: AI Market Growth - The global AI market is expected to grow at a CAGR of over 35% from 2023 to 2030, driven by the demand for intelligent computing [2][9] - The domestic market for AI computing power is projected to reach 26.7 billion by 2027, presenting significant opportunities for domestic manufacturers [3] Group 2: Semiconductor Testing Equipment - The importance of semiconductor back-end testing is increasing due to the complex structure of AI chips and HBM, necessitating more frequent and stringent testing [4][5] - There is substantial room for improvement in the domestic semiconductor back-end testing equipment market, indicating potential growth for local manufacturers [6] Group 3: Power Equipment - The demand for intelligent computing driven by AI is highlighting the need for advanced power distribution solutions in data centers, with SST solutions being a preferred choice [7][9] - Key players in the transformer sector, particularly those with expertise in high-frequency transformers, are recommended for investment as they are well-positioned to benefit from this trend [7][8]

Investment Rating - The report suggests a positive investment outlook for the SST (Solid State Transformer) solution, highlighting its comprehensive advantages in the data center sector [4][70]. Core Insights - The global AI market is projected to grow from 1,187.9 billion RMB in 2023 to 11,455.4 billion RMB by 2030, with a CAGR exceeding 35% [5][14]. - The SST solution is particularly suitable for microgrid DC power scenarios, enabling direct conversion from grid power to 800V DC supply, addressing various challenges in data center power supply [5][47]. - The report emphasizes the importance of high-frequency transformers and power electronic devices in the SST solution, recommending key companies in these sectors for investment [5][70]. Summary by Sections 1. Industry Status and Challenges - The demand for full DC systems is increasing due to the rising proportion of DC devices in data centers, necessitating a compatible full DC power supply architecture [21]. - Traditional 54V power supply systems are reaching their limits, prompting the need for higher voltage levels, such as the 800V HVDC architecture proposed by leading companies [28]. - The area occupied by power distribution systems is increasing as power density in data centers rises, with projections indicating that power distribution systems may occupy equal space to IT equipment in high-density setups [30] [31]. 2. Advantages of SST Solution - The SST solution offers modularity and high efficiency, with the ability to directly convert high voltage AC to low voltage DC, significantly reducing space requirements and improving energy efficiency [44][63]. - SST technology utilizes advanced semiconductor devices and high-frequency transformers, allowing for active control of power quality and rapid fault detection [55][57]. - The SST solution has already been implemented in benchmark data center projects, demonstrating its potential for widespread adoption in the industry [65]. 3. Investment Recommendations - The report recommends focusing on companies involved in high-frequency transformers, power electronic devices, and advanced magnetic materials, as they are expected to benefit from the growth of the SST market [70].

Core Viewpoint - The article discusses the evolution of AIDC power architecture towards 800V HVDC and solid-state transformers (SST), highlighting a potential market explosion starting in 2026 as companies validate technologies and secure key customers [1] Group 1 - AIDC power architecture is gradually transitioning to 800V HVDC and SST, with a market explosion expected around 2026 [1] - SST heavily relies on key wide bandgap semiconductor devices (SiC, GaN) and specialized magnetic materials, with current production capacity concentrated among a few manufacturers [1] - High-frequency transformers are central to SST systems, and companies with traditional expertise in key subcomponents are likely to become indispensable partners for major players like Weidi and Delta [1]