Market Performance - Pinduoduo concept stocks fell by 4.03%, ranking among the top declines in the concept sector as of January 15 [1] - Within the sector, stocks like Guangyun Technology and Zhidema experienced a 20% limit down, while stocks such as Kaichun Co., Yiwang Yichuang, and Zhaochi Co. also saw significant declines [1] Sector Overview - The top-performing concept sectors included photoresist (+2.83%), SMIC concept (+2.59%), and storage chips (+2.33%), while the Pinduoduo concept was among the worst performers at -4.03% [2] - The Pinduoduo concept saw a net outflow of 1.425 billion yuan, with 31 stocks experiencing net outflows, and 6 stocks exceeding 100 million yuan in outflows [2] Fund Flow Analysis - The stock with the highest net outflow was Kuaijingtong, with a net outflow of 256.95 million yuan, followed by Zhidema and Zhaochi Co. with outflows of 243.05 million yuan and 182.79 million yuan respectively [3] - Notable stocks with net inflows included Yilv Media (+51.07 million yuan), Eastern Airlines Logistics (+20.80 million yuan), and Zhongyou Technology (+19.80 million yuan) [2][3]

Market Overview - The other power equipment sector declined by 0.94% on January 15, with Zhongheng Electric leading the drop [1] - The Shanghai Composite Index closed at 4112.6, down 0.33%, while the Shenzhen Component Index closed at 14306.73, up 0.41% [1] Stock Performance - Notable gainers in the other power equipment sector included: - Haida Feiying (688411) with a closing price of 256.10, up 8.85% and a trading volume of 84,000 shares, totaling 2.109 billion yuan [1] - Kewell (688551) closed at 40.52, up 2.32% with a trading volume of 14,700 shares, totaling 59.0636 million yuan [1] - Keda Power (002518) closed at 52.99, up 2.10% with a trading volume of 143,600 shares, totaling 761 million yuan [1] - Major decliners included: - Zhongheng Electric (002364) closed at 32.34, down 7.76% with a trading volume of 647,600 shares, totaling 2.112 billion yuan [2] - Aike Cyber (688719) closed at 53.31, down 6.87% with a trading volume of 59,700 shares, totaling 318 million yuan [2] - KOTAI Power (300153) closed at 33.34, down 3.53% with a trading volume of 205,600 shares, totaling 688 million yuan [2] Capital Flow - The other power equipment sector experienced a net outflow of 1.557 billion yuan from institutional investors, while retail investors saw a net inflow of 1.128 billion yuan [2] - Notable capital flows included: - Keda Power (002518) had a net inflow of 77.6241 million yuan from institutional investors, but a net outflow of 40.0956 million yuan from retail investors [3] - Aike Cyber (688719) saw a net inflow of 33.8250 million yuan from institutional investors, but a significant net outflow of 35.7412 million yuan from retail investors [3] - Power Source (600405) had a net inflow of 18.7431 million yuan from institutional investors, with a net outflow of 17.6112 million yuan from retail investors [3]

Core Insights - The fundamental driver of AI power supply solutions is the continuous improvement in single-chip and single-cabinet power levels, with companies like NVIDIA leading the charge in upgrading their AI chips [1] - The power of AI data centers in North America is projected to reach 71GW by 2028, driven by advancements in multi-chip designs such as NVL72 from NVIDIA and Superpod from Google [1] Group 1: Power Supply Evolution - The main directions for AIDC power supply iteration are high power, high voltage, and direct current, with NVIDIA's white paper outlining a clear path from AC to 800V DC solutions [2] - The OCP organization has established ±400V power supply standards, aiming for MW-level cabinet power through direct current supply [2] Group 2: Technological Changes and Growth - The evolution of power supply solutions has led to the development of integrated devices like HVDC Sidecar and SST hosts, which can perform multiple functions such as voltage reduction and power quality improvement [3] - Key challenges in R&D include power conversion modules and high-frequency isolation transformers, with third-generation wide bandgap semiconductors like SiC and GaN being crucial for achieving high voltage and efficiency [3] Group 3: Investment Opportunities - Four key areas for investment consideration include AIDC power hosts (PSU, HVDC, SST), with companies like Sungrow Power (300274.SZ) and Megmeet (002851.SZ) being notable mentions [4] - Energy storage solutions at the station level are highlighted, with companies such as Sungrow Power and Fluence Energy (FLNC.US) being potential investment targets [4] - Core incremental components like solid-state circuit breakers and electronic fuses are also identified, with companies like Liyang Technology (002706.SZ) and Vicor Corporation (VICR.US) being recommended [4] - Third-generation semiconductors like GaN and SiC are emphasized as critical components for future developments [4]

Investment Rating - The industry investment rating is positive, indicating an overweight outlook for the AIDC sector, suggesting it will outperform the overall market [8]. Core Insights - The AIDC industry is expected to experience significant breakthroughs in computing power, models, and applications in 2026, with domestic computing power transitioning from usable to highly effective [2]. - The demand from cloud vendors remains strong, with a notable increase in IDC orders expected to be fulfilled by mid-2026, indicating a robust growth trajectory for cloud computing infrastructure [2]. - The supply side faces challenges due to the scarcity of effective supply, as the government emphasizes orderly guidance and efficient construction of intelligent computing centers [2]. Summary by Sections Demand Side - Cloud vendors are expected to have high demand for IDC, with orders from Q1 2025 anticipated to be deployed by Q2-Q3 2026, necessitating significant capital investment [2]. - The new round of IDC bidding has commenced, with an accelerated delivery schedule expected [2]. Supply Side - The government is focusing on optimizing the layout of intelligent computing resources, which will create a balanced supply-demand situation in the long term [2]. - There is a noted expectation for supply of supporting equipment, such as UPS and HVDC systems, to meet the needs of AIDC construction [2]. Key Companies - Key players in the industry include leading IDC companies like Runze Technology and Dongyangguang, as well as emerging companies like Aofei Data and Guanghuan New Network [2]. - Companies providing essential supply and cooling solutions, such as Kehua Data and Zhongheng Electric, are also highlighted as important players [2].

Investment Rating - The industry investment rating is "Overweight," indicating a positive outlook for the IDC/Intelligent Computing Center sector [2]. Core Insights - The report highlights a consensus among AI industry leaders that domestic technology companies are transitioning from followers to leaders in global AI technology [2]. - Significant breakthroughs are expected in 2026 across multiple dimensions, including computing power, models, and applications, with a notable improvement in the usability of domestic computing power [2]. - The IDC sector is anticipated to undergo major changes in 2026, driven by the demand from cloud vendors and the need for efficient computing resources [2]. - The report emphasizes the scarcity of effective supply in the market, with government policies shifting focus from broad construction to orderly guidance and efficient resource allocation [2]. - Key companies identified for investment include leading IDC firms and those in the supply chain for power distribution and temperature control [2]. Summary by Sections Demand Side - High demand from cloud vendors is expected, with a significant number of IDC orders anticipated to be deployed by mid-2026 [2]. - The necessity for cloud vendors to secure quality assets for sustainable computing power supply is highlighted [2]. Supply Side - The report notes a strong scarcity of "effective supply," with government initiatives aimed at optimizing the layout of intelligent computing resources [2]. - The need for supporting equipment such as UPS/HVDC and liquid cooling systems is emphasized due to the redundancy requirements in power supply [2]. Key Companies - Core players in the IDC sector include Runze Technology, Dongyangguang, and Baoxin Software, among others [3]. - Companies with flexible demand and strong client ties, such as Dawi Technology and Aofei Data, are also highlighted as potential investment opportunities [2].

Core Viewpoint - Zhongheng Electric's stock price has shown significant volatility, with a year-to-date increase of 22.62% and a recent drop of 2.02% on January 14, 2025, indicating potential market fluctuations and investor sentiment [1][2]. Financial Performance - For the period from January to September 2025, Zhongheng Electric reported a revenue of 1.418 billion yuan, reflecting a year-on-year growth of 20.29%. However, the net profit attributable to shareholders decreased by 15.59% to 72.5731 million yuan [2]. - The company has distributed a total of 527 million yuan in dividends since its A-share listing, with 84.3543 million yuan distributed over the past three years [3]. Stock Market Activity - As of January 14, 2025, Zhongheng Electric's stock was trading at 32.42 yuan per share, with a market capitalization of 18.271 billion yuan. The trading volume was 502 million yuan, with a turnover rate of 2.72% [1]. - The stock has experienced a 31.84% increase over the past 20 trading days and a 19.90% increase over the past 60 days, indicating strong short-term performance [1]. Shareholder Structure - As of September 30, 2025, the number of shareholders increased to 77,100, with an average of 7,243 circulating shares per person, a decrease of 2.64% from the previous period [2]. - Notable changes in the top ten circulating shareholders include new entries such as Caitong Asset Management and Morgan Stanley Digital Economy Mixed Fund, while some previous shareholders have exited [3]. Business Overview - Zhongheng Electric, established on July 11, 2001, specializes in the research, production, and sales of high-frequency switch power supply systems, with key revenue contributions from data center power supplies (45.66%), power operation power supply systems (19.60%), and communication power supply systems (19.22%) [1]. - The company operates within the electric power equipment sector, focusing on various concepts such as smart grids, fast charging, third-generation semiconductors, solar energy, and virtual power plants [2].

Group 1 - Guodian NARI (600406) is a state-owned enterprise based in Nanjing, recognized as a benchmark for scientific reform among central enterprises, with a strong research and development system and significant achievements in grid technology [1] - The company has a market share of over 75% in dispatch automation systems and over 50% in UHV converter valves, with its products addressing grid stability issues caused by renewable energy generation [1] - The demand for AI computing power and electricity is driving the construction of new power systems, and the company is expanding its overseas business, exporting products like distribution transformers to multiple countries [1] Group 2 - Suyuan Electric (002028) is a comprehensive supplier of power transmission and distribution based in Shanghai, focusing on UHV and energy storage sectors, and is the largest manufacturer of high-voltage packages and coils in China [2] - The company expects 60% of its overseas revenue in 2024 to come from transformers, with overseas orders growing over 50% and a remarkable 89% growth in the first half of 2025 [2] - The surge in demand for high-voltage transmission and distribution equipment driven by AI computing centers and new energy projects presents significant growth opportunities for the company [2] Group 3 - China XD Electric (601179) is a state-owned enterprise based in Xi'an, specializing in high and ultra-high voltage transformers and power transmission and distribution equipment, capable of producing products across a voltage range of 10kV to 1000kV [3] - The company has a significant market share in UHV projects and has seen an increase in exports to Europe, with its technology reaching international advanced levels [3] - The demand for UHV technology is increasing due to the need for long-distance power transmission, and the company is well-positioned to meet both domestic and international market needs [3] Group 4 - Baobian Electric (600550) is a core supplier of UHV DC transformers based in Baoding, with a strong position in high-end transformers and a market share of 30% in UHV products [4] - The company has unique technologies that reduce material costs and has participated in major projects, exporting to over 40 countries [4] - The urgent demand for high-reliability transformers driven by AI computing centers and new energy power stations positions the company to benefit from both domestic and international projects [4] Group 5 - Jinpan Technology (688676) is a leading global manufacturer of dry-type transformers based in Haikou, focusing on wind and solar energy applications, with 98% of its products supporting renewable energy [5] - The company has a significant order backlog of 2.85 billion yuan for 2025, reflecting a substantial year-on-year growth of 180% [5] - The increasing demand for efficient dry-type transformers from AI computing centers and the proliferation of renewable energy generation presents a strong growth opportunity for the company [5] Group 6 - Mingyang Electric (301291) is a leader in offshore wind power transformers based in Zhongshan, specializing in dry-type transformers and prefabricated substations [6] - The company has developed products that meet the extreme conditions of offshore environments and is expected to achieve significant sales in North America by 2026 [6] - The growing demand for offshore wind power and the urgent need for grid upgrades in North America provide ample order support for the company [6] Group 7 - Teruid (300001) is a pioneer in outdoor box-type power equipment based in Qingdao, recognized as a champion enterprise in manufacturing [7] - The company has a complete technology system for modular prefabricated substations and has a leading market share in the new energy sector [7] - The demand for modular products from AI computing centers and the need for grid upgrades position the company to capture significant market growth [7] Group 8 - XJ Electric (000400) is a high-tech enterprise based in Xuchang, focusing on UHV and smart grid technologies, with a comprehensive industrial chain covering all aspects of power transmission and distribution [8] - The company has participated in all domestic UHV DC transmission projects and has a strong patent portfolio [8] - The growth in AI computing and electricity demand is accelerating the construction of smart grids, providing competitive advantages for the company [8] Group 9 - Sifang Co., Ltd. (601126) is based in Beijing and has a strong advantage in smart distribution networks, providing a full range of products for self-healing control and primary and secondary integration [9] - The company has implemented its products in over 30 provinces and cities, significantly improving efficiency in power distribution [9] - The demand for reliable power supply from AI computing centers and the ongoing digital transformation of distribution networks present broad development opportunities for the company [9] Group 10 - Samsung Medical (601567) is based in Ningbo and operates in both smart power distribution and medical services, covering a wide range of products in the power equipment sector [10] - The company has established manufacturing bases in multiple locations and has a marketing presence in over 70 countries [10] - The construction of AI computing centers and new energy projects requires substantial power distribution equipment, positioning the company to benefit from global demand growth [10]

Summary of AIDC Conference Call Industry Overview - The conference call focuses on the AIDC (Artificial Intelligence Data Center) industry, particularly the transition towards 800 VDC (voltage direct current) systems and the adoption of solid-state circuit breakers (SSCB) [1][3][4]. Key Points and Arguments - **Transition to 800 VDC**: The domestic 800 VDC pilot projects are being implemented, marking a significant shift towards direct current and high voltage systems, which will drive the evolution of UPS (Uninterruptible Power Supply) to HVDC and SST (Solid-State Transformer) [1][3]. - **Solid-State Circuit Breakers (SSCB)**: The application of SSCBs in 800 V systems is accelerating, with companies like Eaton, ABB, and domestic firms such as Liangxin, Taiyong Changzheng, and Chint Electric actively investing in this technology [1][5]. - **Market Acceptance**: There is an increasing acceptance of direct current power supply solutions in the market. Companies like ByteDance are testing DC UPS and 800 V HVDC systems, indicating a growing willingness to adopt these technologies [1][6]. - **Investment Potential**: Companies such as Zhongheng Electric, Keda, and Oulutong are identified as having significant investment potential due to their strategic positions and partnerships with major players like Alibaba and ByteDance [1][7]. - **Impact of Overseas Markets**: The North American market shows a significant influence on high voltage direct current systems, with companies benefiting from the new cycle of internet infrastructure investment [1][8]. - **Future Demand for SSCBs**: The demand for SSCBs is expected to grow significantly, with projections indicating a market space of 2 billion yuan by 2027 if the penetration rate of 800 V HVDC reaches 20% [2][13]. Additional Important Insights - **Economic Benefits of SSCBs**: The adoption of SSCBs in data centers is expected to yield substantial economic benefits, including reduced maintenance costs and increased electrical lifespan [12][13]. - **Application Scenarios**: SSCBs are particularly suited for high-frequency operations and compact requirements in data centers, with applications in various scenarios such as multi-ecological access and high-voltage DC relay upgrades [14][15]. - **Market Forecast**: The global market for SSCBs is projected to reach 30 billion yuan by 2027, with a significant portion of this market driven by overseas demand due to higher penetration rates and pricing [13]. This summary encapsulates the key discussions and insights from the AIDC conference call, highlighting the industry's transition towards high voltage direct current systems and the growing role of solid-state circuit breakers.

Investment Rating - The report maintains a "Recommended" investment rating for the power equipment sector [6][17]. Core Viewpoints - The domestic data center industry is entering a new cycle of expansion and upgrades, with direct current (DC) power supply equipment expected to benefit first. The market size of China's data center industry is projected to exceed 318 billion yuan in 2025, representing a year-on-year growth of approximately 14.7%. By 2030, it may reach 1.2 trillion yuan, with a compound annual growth rate (CAGR) of about 25%-28% [5][15]. - The load scale of data centers is expected to be around 7.05 GW in 2025, increasing to 9.37 GW by 2030, with a CAGR of approximately 5.85%. The demand for AI computing power is driving significant capital expenditure from leading internet companies, with ByteDance planning to invest about 160 billion yuan in AI infrastructure in 2026, and Alibaba expecting to invest over 380 billion yuan in cloud and AI hardware from 2025 to 2027 [5][15]. - The industry is experiencing an unexpected expansion, with infrastructure technology upgrades creating investment opportunities in IDC-compatible DC power supply equipment [5][15]. Summary by Sections Investment Viewpoints - The report suggests focusing on the IDC sector, recommending companies such as Kehua Data and Jinpan Technology, as well as Sifang Co. and Liangxin Co. for their potential in the HVDC/SST industry. It also highlights the importance of high-voltage circuit breakers and suggests monitoring companies like Zhongheng Electric, Magmeter, and Oulu Tong in the power supply sector [6][16]. Key Companies and Profit Forecasts - The report includes profit forecasts for several companies, with notable mentions: - Kehua Data (002335.SZ): EPS forecast of 1.86 yuan for 2026, currently unrated [18]. - Liangxin Co. (002706.SZ): Rated "Buy" with an EPS forecast of 0.44 yuan for 2026 [19]. - Magmeter (002851.SZ): Rated "Buy" with an EPS forecast of 2.07 yuan for 2026 [19]. - Sunshine Power (300274.SZ): Rated "Buy" with an EPS forecast of 7.74 yuan for 2026 [19]. - Jinpan Technology (688676.SH): Rated "Buy" with an EPS forecast of 2.20 yuan for 2026 [19]. Market Performance - The power equipment sector saw a 5.02% increase last week, ranking 12th among 28 sub-industries, outperforming the Shanghai Composite Index by 1.21 percentage points [46].

Group 1 - Zhongheng Electric's stock price increased by 5.25% to 33.28 CNY per share, with a trading volume of 165 million CNY and a turnover rate of 0.89%, resulting in a total market capitalization of 18.755 billion CNY [1] - The stock has risen for seven consecutive days, with a cumulative increase of 19.82% during this period [1] - The company, founded on July 11, 2001, and listed on March 5, 2010, specializes in the research, production, sales, and service of high-frequency switch power supply systems, with main products including communication power systems and power operation power systems [1] Group 2 - The revenue composition of Zhongheng Electric includes data center power supply (45.66%), power operation power systems (19.60%), communication power systems (19.22%), software development and services (11.47%), other (2.87%), and power management services and engineering income (1.17%) [1] - Among the top ten circulating shareholders, Jin Ying Fund's Jin Ying Technology Innovation Stock A (001167) entered the list in the third quarter, holding 2.5598 million shares, accounting for 0.46% of circulating shares, with a floating profit of approximately 4.2493 million CNY today and 13.3878 million CNY during the seven-day rise [2] - Jin Ying Technology Innovation Stock A has a total asset scale of 4.067 billion CNY, with a year-to-date return of 8.56% and a one-year return of 47.4% [2]