Core Insights - Nvidia has introduced an 800VDC external solution to address the increasing power density issues in cabinets, effectively reducing power loss [1] - The report emphasizes the benefits for terminal manufacturers, the significance of transformers, the growth potential for Delta Electronics as a PCB supplier, and the importance of changes within cabinets [1] Group 1: Nvidia's Proposal - Nvidia's high-voltage direct current (HVDC) system is proposed as a future power supply reference, with medium-voltage rectifiers and solid-state transformers (SST) as ultimate solutions [1][2] - The hardware technology direction of Nvidia is evolving towards efficiency and speed, with the HVDC system addressing the exponential growth in GPU computing power and power density [1] Group 2: Efficiency and Market Trends - Medium-voltage rectifiers convert medium-voltage AC (typically 1kV to 35kV) directly to DC, achieving over 98% efficiency and reduced footprint compared to traditional UPS and HVDC solutions [2] - Major companies, both domestically and internationally, are advancing HVDC technology commercialization, with notable initiatives from Alibaba, Tencent, Meta, and Google [3] Group 3: Industry Chain Dynamics - The core distinction in the industry chain lies in the transformers used, with medium-voltage rectifiers utilizing phase-shifting transformers and solid-state transformers employing high-frequency transformers [4]

Investment Rating - The report maintains a positive investment rating for the industry, suggesting a focus on specific companies that are expected to benefit from the advancements in HVDC technology and related solutions [5]. Core Insights - The report highlights that NVIDIA has introduced an 800VDC solution to address the increasing power density in data centers, which is expected to significantly reduce power loss [2][20]. - The transition from traditional UPS systems to HVDC and solid-state transformer (SST) technologies is seen as a critical evolution in the power supply landscape, with efficiencies exceeding 98% for these new systems [30][34]. - The demand for HVDC technology is accelerating, with major companies like Tencent and Alibaba actively pursuing projects that incorporate these advancements [52][54]. Summary by Sections 1. Power and Efficiency as Core Issues - NVIDIA is leading a new industry direction with its advancements in GPU technology, which has seen a dramatic increase in computational power and energy requirements [11][15]. - The architecture of 800VDC is identified as a key solution to meet the rising demands of AI infrastructure, enhancing efficiency and reducing costs [18][19]. 2. HVDC as the Future Industry Evolution Direction - NVIDIA's white paper promotes the adoption of mid-voltage rectifiers and SSTs as future power supply solutions, moving the industry towards more efficient high-voltage direct current (HVDC) systems [20][21]. - The report outlines various transitional power supply solutions, including the white space retrofit and hybrid power systems, leading to the ultimate 800VDC distribution solution [20][21]. 3. HVDC Supply and Demand Assessment - The report notes that both domestic and international leading companies are pushing for the commercialization of HVDC technology, with significant projects planned for 2025 and beyond [52][54]. - Domestic companies like Delta and Eaton are making rapid progress in HVDC technology, with notable advancements in solid-state transformer solutions [54][55]. 4. Investment Recommendations - The report suggests focusing on terminal manufacturers such as Zhongheng Electric, Kehua Data, and Sunshine Power, which are expected to benefit first from these technological advancements [74]. - It also highlights the importance of transformer technology, recommending companies like Jingquanhua and Igor for potential investment opportunities [74].

Industry Rating - The industry investment rating is maintained as "Outperform" [1] Core Viewpoints - The demand for AI computing power is increasing, leading to a transition from traditional UPS power supply to HVDC due to efficiency, cost, and reliability challenges [2][3] - The global power supply solutions are rapidly evolving towards ±400V and 800V HVDC systems led by tech giants like Microsoft, Google, and Nvidia, aiming to support 1MW power per rack [2] - The market is expected to see gradual volume growth starting in 2026, driven by increasing AI computing power demand and infrastructure investments from major cloud service providers [3] Summary by Sections 1. Why HVDC is Promising? - The technology evolution path is clear, with major players accelerating their layouts in HVDC systems [2] - The industry trend has shifted from concept to large-scale implementation, with significant projects expected to launch in 2026 [2] 2. Market Situation - The demand for IT power in global data centers is expected to rise significantly, with a projected increase from approximately 49GW in 2023 to 96GW by 2026, reflecting a CAGR of around 25% [7] - Major cloud service providers are increasing capital expenditures, providing strong momentum for infrastructure development [3] 3. Investment Recommendations - The HVDC industry is characterized by high concentration and significant barriers to entry, with three main domestic players: Zhongheng Electric, Delta Electronics, and Vertiv [4] - Investment opportunities include: - Domestic leaders expanding overseas: Zhongheng Electric is positioned to leverage its HVDC technology and products in international markets [4] - Companies utilizing ODM strategies to enter overseas markets: Kehua Data and Kstar are focusing on HVDC product development and international expansion [5] - New players in the module sector seeking growth: Tonghe Technology and Youyou Green Energy are developing HVDC product lines and targeting key industry clients [5] 4. HVDC Advantages Over UPS - HVDC systems offer higher safety, stability, and energy efficiency compared to traditional UPS systems, addressing issues related to power consumption, space, and reliability [6][16] - The modular structure of HVDC allows for better utilization rates and reduced redundancy compared to UPS systems [16] 5. Domestic and International Layouts - Domestic HVDC solutions are primarily focused on 240V/336V systems, with significant market share held by Zhongheng Electric, Delta Electronics, and Vertiv [68] - Internationally, major tech companies are pushing for the adoption of ±400V and 800V HVDC systems, with Meta and Nvidia leading the charge [68][72] 6. Future Market Potential - The penetration rate of HVDC in the domestic market is currently low at around 15%, but is expected to rise rapidly due to increasing demand for computing power [72] - The market for 800V HVDC is anticipated to see significant growth starting in 2028, driven by infrastructure projects and technological advancements [72]

Summary of Key Points from the Conference Call Industry and Company Involved - The discussion revolves around the **data center industry** and **NVIDIA**'s new **800V DC power supply white paper**. Core Insights and Arguments - **Power Supply Challenges**: Traditional 48V power supply solutions face issues such as heat dissipation and high current in large-scale applications. NVIDIA recommends an **800V power supply solution** which has been successfully applied in charging stations and energy storage sectors, indicating a level of maturity [1][2] - **Proposed Power Supply Solutions**: The white paper outlines four main power supply solutions: 1. **Existing 50V Architecture**: Utilizes UPS and PSU to convert AC to 48-54V DC for server power [2] 2. **Modification of Existing Solutions**: Retains UPS while adding rectifiers to convert mains power to 800V DC [6] 3. **New Data Center Solutions**: Eliminates UPS, using energy storage systems for backup and load smoothing [6] 4. **Centralized Power Supply Solutions**: Employs larger power modules (60kW to over 100kW) for efficiency and reduced cabinet numbers [6][11] - **Energy Storage Systems**: These systems play a crucial role in smoothing load fluctuations, reducing electricity costs, and addressing carbon emissions. NVIDIA suggests two complementary energy storage systems for data centers [10] - **Solid-State Transformers (SST)**: SSTs are highlighted for their compact size and high efficiency, although they face risks due to high voltage modules. Companies like Jindian Technology are collaborating with NVIDIA for prototype development [3][7][15] Additional Important Insights - **Panama Power Solution**: This solution is noted for its maturity and reliability compared to competitors like Siercon, indicating potential for expansion in the North American market [12][13] - **Impact of AI Data Center Construction**: The acceleration of AI data center construction in the U.S. is expected to significantly increase energy storage demand, benefiting companies like Sierce, Magmite, and Oton [14] - **Future of SST in Data Centers**: While SSTs are not yet widely adopted, their advantages suggest a gradual integration into data centers as the technology matures [8][16] - **Market Competitors**: Companies such as Jindian Technology, Igor, Sifang Co., and Xinte Electric are noted for their competitive advantages in the SST field, with Jindian Technology projected to achieve significant revenue from data center applications by 2026 [17] This summary encapsulates the key points discussed in the conference call, focusing on the advancements in power supply solutions for data centers and the implications for the industry and related companies.

Core Insights - The article highlights the performance of stocks on the institutional leaderboard, with 32 stocks listed, 16 bought, and 16 sold by institutions. The top three stocks with the highest institutional purchases are Jinpan Technology (1.93 billion), Sunflower (1.31 billion), and Meili Technology (915.7 million) [1][2]. Group 1: Stock Performance - Jinpan Technology (688676.SS) saw a price increase of 20.00% with 2 buyers and 1 seller [2]. - Sunflower (300111.SZ) experienced a price increase of 19.97% with 3 buyers and 1 seller [2]. - Meili Technology (300611.SZ) also had a price increase of 20.00% with 4 buyers and 2 sellers [2]. Group 2: Industry Trends - Nvidia's recent release of the "800VDC Architecture White Paper" has drawn attention to the high-voltage direct current (HVDC) sector, emphasizing the importance of medium-voltage rectifiers (MV Rectifiers) for deploying 800VDC systems [2]. - The white paper outlines three evolution directions for the 800VDC technology: transitional solutions using external AC/DC racks, hybrid power solutions for 800VDC output, and ultimate solutions utilizing medium-voltage rectifiers or solid-state transformers (SST) [2]. Group 3: Data Center Power Supply - The development direction for data center power supply is identified as UPS → HVDC → Panama Power → SST direct current architecture, with the Panama Power concept proposed by Delta in collaboration with Alibaba, offering higher efficiency and lower investment [3]. - Solid-State Transformers (SST) utilize power electronics for high-frequency power conversion, providing advantages such as high efficiency and space optimization [3]. Group 4: Company Updates - A company reported a revenue of 407 million for its data center power supply business in the first half of the year, marking a year-on-year growth of 60.6%. Their third-generation HVDC product matrix meets the high power density needs of intelligent computing centers, serving major clients like Alibaba, Tencent, and Kuaishou [5]. - Another company, known for its power supply business, is involved in data center construction and operation [5].

Market Overview - The domestic market shows significant trading activity with the Shanghai Composite Index closing at 3,853.64, up 0.83% [2] - The Shenzhen Component Index increased by 1.80%, closing at 13,356.14, while the ChiNext Index rose by 2.28% to 3,185.57 [2] Non-Bank Financial Sector - The trading activity in the non-bank financial sector has improved, with a notable increase in the average daily trading volume, which surpassed 20 trillion in August [6] - The securities transaction stamp duty reached 118.7 billion, marking an 81.7% year-on-year increase [6] - The fundamentals of brokerage firms are stabilizing and improving, with a recommendation to focus on investment opportunities in this sector [6] Biomedicine Sector - The release of the YY/T 1987-2025 standard for medical devices using brain-computer interface technology marks a significant milestone for industry standardization, expected to accelerate industrialization [7][8] - This standard aims to resolve long-standing issues of concept ambiguity and lack of standards, facilitating innovation and regulatory compliance [11] - The policy framework supporting the brain-computer interface industry is evolving, with strategic initiatives from national to local levels aimed at fostering innovation and market growth [11] Company Analysis: Fulaite (601865.SH) - Fulaite is positioned in the top tier of the photovoltaic glass industry, with expected EPS of 0.31, 0.46, and 0.84 for 2025-2027, corresponding to PE ratios of 53.9, 36.1, and 19.8 [14] - The company is anticipated to benefit from an improved supply-demand balance in the photovoltaic glass market, leading to a recovery in profitability [13][14] Company Analysis: Xianghe Industrial (603500.SH) - Xianghe Industrial reported a revenue of 3.81 billion, a year-on-year increase of 6.49%, with a net profit of 640 million, up 96.56% [20] - The company is focusing on core business areas, including rail transportation products, which have shown significant growth due to participation in major railway projects [20] - The demand for intelligent railway detection equipment is expected to grow, with the company actively developing related technologies [20]

Financial Performance - The company's revenue for the first half of 2025 reached 1.94 billion CNY, representing a year-on-year growth of 67.43% [2] - The overall revenue increased by 20.16% compared to the previous year, while R&D investment rose by 30.20% and sales expenses increased by 43.53% [3] - Employee stock incentive costs amounted to 17 million CNY, significantly impacting current profits [2] Product Development and Market Expansion - The company is focusing on the data center transformer market, with production capacity gradually being released in the first half of 2025 [5] - The product range has expanded from phase-shifting transformers to epoxy resin cast dry-type transformers and oil-immersed transformers, with sales extending to overseas markets such as Japan [5] - The company is developing a 35KV/10MVA solid-state transformer prototype, expected to undergo testing in Q4 2025, potentially making it one of the first in China with mass production capabilities [4] Competitive Landscape - The company is analyzing its competitive position against Jinpan Technology, noting significant differences in business operations and market value [3] - The management acknowledges the need to enhance the sales team's performance to better compete in the market [3] Investment and Production Capacity - The U.S. factory is projected to produce 21,000 distribution transformers annually, while the Mexican factory is expected to produce 6,000 new energy transformers [7] - The company has invested heavily in fixed assets and construction projects, totaling around 3 billion CNY, while net assets are slightly above 3 billion CNY [8] Strategic Outlook - The company plans to continue investing in the data center power equipment sector, leveraging smart manufacturing advantages to meet domestic and international customer needs [5] - The management is optimistic about future growth opportunities in the global power equipment market, driven by increasing electricity demand and infrastructure investments [9]

Summary of SST Solid-State Transformer Conference Call Industry Overview - The data center power supply architecture is evolving from traditional UPS to HVDC and SST to reduce AC-DC conversion losses and improve energy efficiency [1][2] - SST utilizes high-frequency electronic transformers to replace traditional power frequency transformers, significantly enhancing efficiency and reducing footprint [1] Key Points and Arguments - **Efficiency and Space Reduction**: SST can reduce the footprint by nearly three times compared to traditional UPS for a 2 MW power requirement, with construction cycles shortened from 12 months to approximately one quarter [1][4] - **Cost Structure**: The current cost per watt for SST is around 7-8 RMB, expected to stabilize at 5-6 RMB post-mass production. The main cost components include power devices (40%-50%), high-frequency transformers (25%), and low-voltage DC circuit breakers (10%) [1][6][9] - **Market Dynamics**: The overseas SST market is dominated by joint ventures like Hitachi Energy, ABB, Eaton, and Schneider, while domestic players include China XD Group and TBEA [1][11] - **Future Projections**: By 2030, Schneider anticipates shipping 1,000 SST units in China, with an overall market size expected to reach 10,000 units and a total capacity of approximately 30 GW [1][11] Cost Comparison - **SST vs. Traditional Solutions**: SST costs are approximately 2 to 4 times higher than traditional UPS due to supply chain complexities and labor costs in the U.S. [2][13] - **Domestic vs. Overseas Pricing**: Domestic UPS averages 0.5-0.6 RMB per watt, while joint venture brands are around 1 RMB per watt. HVDC offers a 20%-30% premium over traditional UPS [6][9] Technological Advancements - **Third-Generation SST**: This generation further enhances efficiency through the use of silicon carbide and gallium nitride power devices, reducing energy loss and fault rates [3][10] - **Technical Barriers**: Key barriers include rectification processes, electromagnetic compatibility, thermal management, and supply chain management for high-frequency transformers and semiconductor devices [17][18] Market Entry Strategies - **Domestic Firms in North America**: To penetrate the North American market, domestic firms should consider entering through low-voltage distribution products, as seen with Jinpan and Igor's progress in distribution transformers [19] - **Partnerships and Collaborations**: Companies like Schneider and Eaton are actively seeking partnerships to enhance their technology offerings, particularly in liquid cooling and HVDC [21][22] Demand and Supply Insights - **Major Demand Players**: Companies like Microsoft and Meta show significant interest in SST technology, while Google prefers traditional HVDC architectures [23] - **Supply Chain Dynamics**: The supply chain is characterized by a mix of domestic and joint venture companies, with a focus on integrating new technologies into existing frameworks [11][12] Conclusion - The SST industry is poised for growth, with expectations of reaching G-Watt scale by 2026-2027, driven by increasing interest from major tech companies and advancements in technology [23]

Group 1 - The report highlights the recovery of revenue and net profit for Guobo Electronics in Q2 2025, with a revenue of 7.2 billion yuan, up 18.23% year-on-year, and a net profit of 1.44 billion yuan, up 16.20% year-on-year [6][7] - Dameng Data, a leading domestic database company, reported a significant increase in net profit margin, achieving a revenue of 5.23 billion yuan in H1 2025, a year-on-year growth of 48.65%, and a net profit of 2.05 billion yuan, up 98.36% year-on-year [9][10] - Zhaowei Electromechanical reported a revenue of 7.9 billion yuan in H1 2025, a year-on-year increase of 21.9%, with a net profit of 1.1 billion yuan, up 20.7% year-on-year [16] - Hengli Hydraulic achieved a revenue of 51.7 billion yuan in H1 2025, a year-on-year increase of 7.0%, and a net profit of 14.3 billion yuan, up 11.0% year-on-year [21][22] - The report indicates that the electric tool and cross-border e-commerce sectors are significant growth drivers for Juxing Technology, with a revenue increase of 56.03% in the electric tool segment [24][26] Group 2 - The report emphasizes the strong performance of Dongwu Securities, with a revenue of 44.28 billion yuan in H1 2025, a year-on-year increase of 33.63%, and a net profit of 19.32 billion yuan, up 65.76% year-on-year [28][29] - Inner Mongolia First Machinery Group reported a revenue of 57.27 billion yuan in H1 2025, a year-on-year increase of 19.62%, with a net profit of 2.90 billion yuan, up 9.99% year-on-year [32][33] - The report notes that Beifang Navigation experienced a significant revenue increase of 481.19% year-on-year, reaching 17.03 billion yuan in H1 2025, with a net profit of 1.16 billion yuan, up 256.59% year-on-year [37][38] - The textile and apparel sector, represented by Shenzhou International, achieved a revenue of 149.66 billion yuan in H1 2025, a year-on-year growth of 15.3%, with a net profit of 31.77 billion yuan, up 8.4% year-on-year [41][42]

Core Viewpoint - Zhongheng Electric (002364.SZ) has denied recent rumors regarding partnerships with major overseas cloud companies like Nvidia, Meta, and Google, stating that no cooperation agreements or sales contracts have been signed as of now [2][6]. Company Overview - Zhongheng Electric, founded in 1996 and listed on the Shenzhen Stock Exchange in March 2010, focuses on building a zero-carbon intelligent society through digital energy solutions [7]. - The company has developed two main business segments: power electronics manufacturing and energy internet, with products covering data center power supplies, communication power supplies, electric power supplies, charging and swapping equipment, and power digitalization [7]. Financial Performance - As of August 19, Zhongheng Electric's stock price closed at 24.97 yuan, with a daily increase of 10.00%, a turnover rate of 25.59%, and a trading volume of 3.473 billion yuan, resulting in a total market capitalization of 14.1 billion yuan [6]. Market Position and Growth Potential - In 2024, the revenue from data center power supplies is projected to be 670 million yuan, accounting for 34% of the company's total revenue, serving major clients such as mobile operators, internet companies, and large state-owned enterprises [7]. - The company is recognized as one of the earliest promoters of HVDC (High Voltage Direct Current) power supply solutions for data centers and has played a key role in establishing national and industry standards [7]. Industry Trends - The demand for AI computing centers is rapidly increasing, and the penetration rate of HVDC is expected to continue growing. Major industry players like Google and Nvidia have recently introduced ±400V/800V HVDC power supply architectures, with expectations for large-scale application by 2027 [8]. - The global market for AI data center HVDC is anticipated to reach 62 billion yuan by 2030, indicating significant growth potential for companies like Zhongheng Electric [8].