Group 1: Core Insights - The report emphasizes the importance of advancements in HVDC applications for data centers, highlighting collaborations between companies like VRT and Nvidia to develop next-generation 800V HVDC architecture, which is expected to become mainstream in AI data center power supply systems [1][27] - The solid-state battery industry is progressing with significant developments, including Guoxuan High-Tech's establishment of a pilot line with a designed capacity of 0.2GWh and an energy density of 350Wh/kg, as well as the introduction of industry standards for solid-state batteries [2][62] - The offshore wind sector is anticipated to see a record year for bidding in 2025, with over 25GW of projects approved for bidding, indicating a robust growth trajectory for both offshore and onshore wind installations [3][50] Group 2: Market Performance - In May, the electric power equipment sector outperformed the market, with the sector index rising by 2.17% compared to a 1.85% increase in the CSI 300 index, ranking 18th among 31 primary industries [3][13] - The overall valuation of the electric power equipment sector remained stable, with a PE ratio of 28.4x and a PB ratio of 2.2x as of the end of May [3][18] - Notable stock performances in May included Tongling Co. with a 31.0% increase, Longpan Technology at 18.2%, and Huaguang Huaneng at 14.8% [3][22] Group 3: Key Companies and Investment Focus - The report identifies key companies to watch in the HVDC space, including Hewei Electric and Shenghong Co., which are expected to benefit from early investments in HVDC technology [1][27] - In the solid-state battery sector, companies such as Xiamen Tungsten New Energy and Tiannai Technology are highlighted as significant players in the ongoing industrialization of solid-state batteries [2][63] - The report suggests focusing on companies in the offshore wind sector, including Goldwind Technology and Sany Heavy Energy, as they are poised to benefit from the anticipated growth in offshore wind installations [3][50]

Group 1: Institutional Trading Insights - On the day, 27 stocks were listed on the institutional trading leaderboard, with 16 experiencing net buying and 11 facing net selling [1] - The top three stocks with the highest net buying were: Daqian Ecology (106 million), Yipinhong (96.96 million), and Shutaishen (64.95 million) [1] Group 2: Defense and Military Industry - Guoketiancheng is a company with military qualifications, primarily engaged in the research, production, and sales of infrared thermal imaging and other optoelectronic fields [2] - Lijun Co., Ltd. has a subsidiary, Dekun Aviation, producing aviation components that are already applied in various low-altitude drone models, with future applications in the flying car industry [2] - The 55th Paris Air Show is scheduled for June 16-22, with expectations for the J-10 to make an appearance [2] - The defense and military industry is expected to maintain stable growth due to consistent military spending in China, with a positive outlook for industry scale and profits [2] Group 3: Gallium Nitride (GaN) Technology - The company has developed high-efficiency power products based on third-generation semiconductor GaN and SiC devices for energy stations, data centers, and electric vehicle charging [4] - Nanwei Semiconductor announced a collaboration with NVIDIA to develop the next-generation 800V high-voltage direct current (HVDC) architecture, which will support GPU systems [4] - GaN technology offers significant advantages over traditional silicon-based devices, including a tenfold increase in electron mobility, a 70% reduction in dynamic losses, and a 50% decrease in heat generation [5]

Market Overview - The market experienced a slight decline, with the Shanghai Composite Index, Shenzhen Component Index, and ChiNext Index falling by 0.22%, 0.72%, and 0.96% respectively, resulting in over 4,400 stocks declining and only about 800 stocks rising [3][6]. HVDC Concept - The HVDC (High Voltage Direct Current) concept gained attention following a partnership announcement between Nanwei Semiconductor and NVIDIA to develop an 800V HVDC architecture, which is expected to enhance energy efficiency and reduce copper usage [8][12]. - Following this news, Nanwei's stock surged by 200% in after-hours trading, leading to a strong opening for related sectors such as data centers and GaN (Gallium Nitride) technology [9][10]. Kunlun Wanwei - Kunlun Wanwei launched the Skywork Super Agents, an AI-driven product capable of generating various types of content, which ranked first globally in deep research capabilities, surpassing OpenAI and Manus [16][17]. - The stock opened with a 4.23% increase, later surged to a 20% limit up, driven by high user demand and positive market reception [18][19]. Cross-Border E-commerce - The cross-border e-commerce sector saw initial gains with stocks like Anzheng Fashion and Dongbei Group experiencing sharp increases, but ultimately closed down nearly 1% [26]. - The sector reacted to news regarding the EU's plan to impose a €2 tax on small packages entering the EU, which raised concerns about its impact on companies like Kuaijingtong [27][28].

Market Highlights: Military Industry - Tianfeng Securities indicates that in Q1 2025, the top ten military stocks held by active funds will see 80% of their value in military electronics, suggesting a potential rebound in this sector after significant underperformance over the past three years [6] - Wangzi New Materials, with over 20 years in plastic packaging and partnerships with major clients like Foxconn and Haier, has expanded into military technology through a 51% acquisition of a military high-tech firm, enhancing its product applications in military and aerospace [6] Market Highlights: Third Generation Semiconductors - Nanwei Semiconductor announced a partnership with NVIDIA to develop the next-generation 800V high-voltage direct current (HVDC) architecture, which is expected to boost HVDC penetration in AI data centers [9] - Following the announcement, Nanwei's stock surged by over 190%, indicating strong market interest in HVDC technology and its applications [9] Market Highlights: Innovative Drugs - On May 20, 2023, 3SBio announced an exclusive agreement with Pfizer for the global development and commercialization rights of its PD-1/VEGF bispecific antibody SSGJ-707, excluding mainland China [12] - 3SBio is focusing on autoimmune diseases after divesting its oncology and ophthalmology assets, with a pipeline of 14 autoimmune projects expected to drive future growth [12] Market Highlights: Consumer Sector - The Shanghai Municipal Government has launched a plan to boost consumption, focusing on expanding silver-haired consumer offerings and enhancing cruise consumption potential [17] - The Huangjiu (yellow wine) industry is expected to see short-term growth due to increased consumption density and long-term growth through brand and category development beyond regional cultural boundaries [17] Market Highlights: Ride-Hailing - Baidu's autonomous driving platform, Apollo Go, has expanded to 15 cities with over 1,000 self-driving cars, while Tesla plans to launch its Robotaxi service in Austin, Texas, by the end of June [19] - Tencent Cloud is collaborating with WeRide to enhance Robotaxi commercialization, indicating a shift in the automotive transportation ecosystem [19]

Core Viewpoint - Nvidia is collaborating with Navitas Semiconductor to develop a next-generation 800V high-voltage direct current (HVDC) architecture, which is expected to significantly enhance the power supply systems for AI data centers, particularly for supporting GPU workloads like Rubin Ultra [3][4]. Group 1: Collaboration and Technology - The partnership aims to leverage Navitas's gallium nitride (GaN) and silicon carbide (SiC) technologies to improve energy efficiency and reduce copper usage in data centers [4]. - The new 800V HVDC architecture represents a major technological leap in data center infrastructure, addressing the increasing power demands of AI computing [4][6]. Group 2: Current Limitations and Innovations - Current data center architectures utilize traditional 54V rack power distribution systems, which are limited to several hundred kilowatts and face physical constraints when power exceeds 200kW [6]. - Nvidia's solution involves converting 13.8kV AC grid power directly to 800V DC, eliminating multiple conversion steps to maximize efficiency and reliability [6]. Group 3: Benefits of 800V HVDC - The higher voltage level of 800V HVDC allows for a reduction in copper wire thickness by up to 45%, addressing sustainability concerns for next-generation AI data centers [7]. - Using traditional 54V systems, supplying power to a 1MW rack requires over 200kg of copper, which is unsustainable for the gigawatt-level power needs of future AI data centers [7].

Core View - The data center, power supply, and GaN sectors experienced significant gains on May 22, with multiple companies hitting their daily price limits [1] Group 1: Stock Performance - Zhongheng Electric's stock rose to 17.28, up 9.99% [2] - Wankong Intelligent Manufacturing's stock increased to 14.56, up 9.97% [2] - Kaile Co., Ltd. saw a rise to 68.10, up 10.97% [2] Group 2: Major Events - On May 21, Nami Semiconductor announced a partnership with NVIDIA to develop the next-generation 800V high-voltage direct current (HVDC) architecture, which will enhance energy efficiency and reduce copper usage [3] - CoreWeave's stock surged 19% on May 21, with a cumulative increase of over 60% in the past six trading days, driven by a 420% year-on-year revenue growth to $981.6 million in Q1 [3] - Viati Technologies plans to launch an 800 VDC power product line in the second half of 2026 to support NVIDIA's computing platform [3] Group 3: Industry Insights - HVDC technology offers high efficiency, reliability, ease of maintenance, scalability, and low cost, with a high penetration rate among major internet companies in their self-built data centers [4] - GaN materials outperform traditional SiMOSFET devices, reducing dynamic losses by 70% and heat generation by 50%, while supporting high-voltage direct connections [4] - The rental price for an 8-card H100 server from CoreWeave increased by 29.31% compared to April 2023, reflecting rising demand for high-end computing services [4] Group 4: Market Trends - The need for substantial capital investment in self-built AI computing power and potential supply shortages make computing power leasing a more cost-effective short-term solution for some manufacturers [5] - The upward trend in high-end computing service prices indicates a strong demand for real-time inference computing services from enterprises [5]