证券代码：300870 证券简称：欧陆通 公告编号：2025-085 债券代码：123241 债券简称：欧通转债 深圳欧陆通电子股份有限公司 凡公司债权人均有权于本通知公告披露之日(2025 年 12 月 15 日)起 45 日内 要求公司清偿债务或者提供相应的担保。债权人未在上述规定期限内行使上述权 利的，不会因此影响其债权的有效性，公司将按照法定程序继续实施本次注销回 购股份和变更注册资本事宜。公司债权人如要求公司清偿债务或者提供相应担保， 应根据《中华人民共和国公司法》等法律法规的有关规定，向公司提出书面要求， 并随附相关证明文件。 关于注销回购股份减少注册资本暨通知债权人的公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完 整，没有虚假记载、误导性陈述或重大遗漏。 一、通知债权人的原由 深圳欧陆通电子股份有限公司（以下简称"公司"）于2025年11月24日召开 第三届董事会2025年第八次会议，于2025年12月15日召开2025年第二次临时股东 会，审议通过了《关于注销回购股份的议案》《关于变更注册资本暨修订〈公司 章程〉部分条款的议案》。具体内容详见公司在巨潮资讯网(www.cninfo ...

Core Viewpoint - The power equipment sector is experiencing significant strength, with notable stock price increases among key companies [2] Group 1: Company Performance - Aikosai Bo has seen its stock price rise over 9%, reaching a new high during intraday trading [2] - Hailu Heavy Industry and Dongfang Electric have hit the daily limit up [2] - Other companies such as Xizi Clean Energy, Oulu Tong, Rongfa Nuclear Power, Magpower, and Xinle Energy are also experiencing upward momentum [2]

Core Viewpoint - The other power equipment sector experienced a slight increase of 0.98% on December 9, with Eurocontinental leading the gains, while the Shanghai Composite Index fell by 0.37% to close at 3909.52 [1] Group 1: Market Performance - The Shenzhen Component Index closed at 13277.36, down 0.39% [1] - The other power equipment sector stocks showed mixed performance, with notable declines in several companies [1] Group 2: Individual Stock Performance - HaiLu Heavy Industry (002255) closed at 11.83, down 2.71% with a trading volume of 511,300 shares and a transaction value of 612 million yuan [1] - Yingjie Electric (300820) closed at 48.08, down 2.38% with a trading volume of 36,600 shares and a transaction value of 177 million yuan [1] - Aike Cyber (688719) closed at 48.23, down 2.31% with a trading volume of 120,100 shares and a transaction value of 605 million yuan [1] - Other notable declines include Leite Technology (920110) down 2.03%, Rongfa Nuclear Power (002366) down 1.92%, and Shanghai Electric (601727) down 1.16% [1] Group 3: Capital Flow - The other power equipment sector saw a net outflow of 41.84 million yuan from main funds, while retail investors contributed a net inflow of 211 million yuan [1] - Speculative funds experienced a net outflow of 169 million yuan [1]

Group 1 - The liquid cooling server concept is experiencing a significant rise, with companies like Ice Wheel Environment and Dongyangguang seeing increases of over 8% [1] - Other companies such as Oulutong, Huqin Technology, and Yidong Electronics are also following the upward trend [1]

Group 1 - The power equipment sector experienced a significant rise in early trading on December 9, with European mainland stocks increasing by over 10% [1] - Companies such as KOTAI Power, Newray Energy, Magpower, Zhongheng Electric, and Aikaisibo also saw gains alongside the leading stock [1]

Group 1 - The power equipment sector experienced a rise in early trading, with European Continental rising over 10% [1] - Other companies such as KOTAI Power, Newray Energy, Magpower, Zhongheng Electric, and Aikoseibo also saw increases [1]

Core Insights - The overall judgment indicates that both domestic and overseas AI-driven demand will continue to grow, leading to stock price performance in the AIDC industry. The overseas market, particularly in the U.S., is experiencing tight supply and demand for power equipment, which presents opportunities for domestic supply chains to expand internationally. Additionally, domestic capital expenditure on power grids is steadily increasing [3]. AIDC Power Supply: Continuous Beta and Clear Industry Trends - The capital expenditure of major overseas cloud service providers (CSPs) is expected to continue increasing, driving high demand for AIDC. The total capital expenditure of the four major overseas CSPs (Amazon, Google, Microsoft, Meta) is projected to grow at rates of 34% in 2021, 20% in 2022, -7% in 2023, and 55% in 2024, with a significant increase of 71% in the first three quarters of 2025 [11]. - Domestic CSPs have also seen a resurgence in capital expenditure, with a staggering 184% year-on-year growth in 2024 and 87% in the first three quarters of 2025 [13]. - The power consumption of AI servers is expected to rise significantly, with cabinet power levels projected to exceed 200kW in the near future, indicating a need for technological upgrades in both internal and external power supplies [20][25]. - The transition from three-level to two-level voltage reduction in internal power supplies is anticipated, which will streamline power supply processes [28]. - External power supplies are shifting from UPS to HVDC and SST solutions, reflecting a clear trend towards direct current and medium voltage systems [32]. Power Equipment Export: Continuous High Demand - The U.S. has seen a rapid increase in new power installations since 2020, with growth rates of 1.20%, 2.42%, 0.98%, 2.14%, and 3.47% from 2020 to 2024, indicating a robust demand for power equipment [59]. - China's transformer exports reached 46.5 billion yuan in the first nine months of 2025, marking a 40.20% year-on-year increase, with other power equipment exports also showing significant growth [77]. Domestic Power Grid: Continued Investment and Recovery - The approval of ultra-high voltage direct current projects is progressing steadily, with a rich pipeline of projects expected to drive growth during the 14th Five-Year Plan [81]. - The total bidding amount for power grid projects has reached 78.7 billion yuan, reflecting a nearly 20% year-on-year increase, significantly surpassing the 7.61% growth rate of 2024 [84]. - The domestic smart meter replacement cycle is expected to smooth out, with a projected increase in bidding quantities in 2026-2027 as new standards are introduced [90].

Core Insights - The switch power supply is a crucial component in power supply systems, widely used in various electronic devices, converting power voltage into stable voltage required by devices, with advantages such as miniaturization, lightweight, and high conversion efficiency [1][12] - The market for switch power supplies in China is projected to grow from 114.98 billion yuan in 2015 to 253.2 billion yuan by 2025, with a compound annual growth rate (CAGR) of 8.55% [1][14] - The demand for high-performance power supplies is driven by the construction of 5G networks, the proliferation of the Internet of Things (IoT), and the expansion of data centers, particularly in servers, edge devices, and smart terminals [1][13] Industry Overview - Switch power supplies, also known as switched-mode power supplies (SMPS), are high-frequency power conversion devices that convert voltage from AC or DC sources to the required DC voltage for devices [4][9] - The industry has a well-established supply chain, with upstream suppliers controlling the manufacturing technology of power supply IC chips, midstream manufacturers providing various power products, and downstream applications spanning multiple sectors including industrial automation, medical devices, and consumer electronics [11][12] Market Dynamics - The application of switch power supplies is concentrated in the industrial sector (53.94%) and consumer electronics (33.05%), indicating a high industry concentration [15] - The rapid development of new energy industries such as photovoltaics and wind power has significantly increased the demand for related power supply equipment [1][13] Competitive Landscape - The switch power supply industry in China features both international and domestic players, with global leaders like TDK-Lambda and Mean Well dominating the high-end market, while domestic companies like Oulutong and Maoshuo Power are rapidly emerging through technological innovation and cost advantages [16][17] Development Trends - The industry is expected to see advancements in high frequency, modularization, low noise, and enhanced stability, driven by new semiconductor materials and innovative circuit designs [18][19][20][21]

Group 1: Optical Modules - The optical module industry is experiencing the highest growth and performance realization among AI hardware this year, driven by high verification barriers for North American CSP tech giants and increasing demand due to the acceleration of supernode technology [2][4] - The average ratio of optical modules to GPUs is continuously increasing, with demand for 800G and 1.6T optical modules being revised upwards, indicating a strong upward resonance in demand [2][4] - By 2026, the demand for 1.6T optical modules is expected to exceed 30 million units, with an average price of $900-1000 per unit, while high-end EML optical chips are projected to face a 25-30% supply shortage [4][5] Group 2: Liquid Cooling - The liquid cooling industry has seen fluctuating trends this year, with initial enthusiasm dampened by low penetration rates, followed by a resurgence in August and significant breakthroughs in November [5][9] - The demand for liquid cooling in North America is expected to expand rapidly by 2026, with penetration rates in the NVIDIA ecosystem projected to rise from 20-30% to over 80-90% [7][9] - A leading domestic manufacturer is anticipated to capture a market share of 13-17% in North America by 2026, with Google expected to implement liquid cooling solutions for over 200,000 TPU V7 chips, creating a market space exceeding $24-28 billion [9][10] Group 3: AI PCB - The AI PCB industry is thriving, with companies like Shenghong, Huidian, and Shengyi achieving performance realization in North America, despite some quarterly fluctuations [10][12] - The supply side is seeing an increase in product value and manufacturing difficulty due to upgrades in customer chips and cabinet solutions, leading to a marginal differentiation in the supply landscape [10][12] - By 2026, the introduction of orthogonal backplanes is expected to significantly increase unit value, with M9 material processing anticipated to break through, although mass production is expected to ramp up in 2027 [12][13] Group 4: Server Power Supply - The server power supply market has shown similar trends to liquid cooling, with initial excitement followed by a divergence in performance among manufacturers [13][14] - The supply side is dominated by Taiwanese manufacturers, with a high concentration of market share, while domestic manufacturers are expected to make significant breakthroughs in North America by 2026 [14][15] - The adoption of HVDC technology is projected to replace traditional UPS solutions, with an expected market scale exceeding $20-30 billion by 2026 [15]

Group 1 - The core viewpoint is that China's new energy vehicle (NEV) sector is rapidly advancing towards large-scale development, with charging infrastructure becoming increasingly critical for industry support [1] - As of the end of October, the total number of charging facilities in China reached 18.645 million, representing a year-on-year growth of 54% [1][3] - The charging infrastructure industry is expected to see performance growth due to supportive policies and increasing demand [1][3] Group 2 - Shanghai has issued a notice to enhance the safety management of public charging and swapping facilities, requiring compliance with national standards and encouraging the use of high-quality products [2] - Starting from August 1, 2026, all newly constructed or updated public charging facilities in Shanghai must use products that have passed mandatory certification [2] - The notice aims to address issues such as non-standard facility construction and inadequate operational maintenance [2] Group 3 - Multiple national policies have been introduced this year to set phased goals for charging facility construction, including a target of over 100,000 high-power charging facilities by the end of 2027 [3] - The "Three-Year Doubling Action Plan" aims to establish 28 million charging facilities nationwide by the end of 2027, providing over 300 million kilowatts of public charging capacity [3] - As of October 2025, the total number of electric vehicle charging infrastructure reached 18.645 million, with a public charging capacity gap of approximately 100 million kilowatts, indicating significant growth potential for the industry [3] Group 4 - A total of 94 A-share companies are involved in the charging facility industry, with an average increase of 32.72% since the beginning of the year [4] - Following the release of the "Action Plan," 22 stocks in the charging facility sector have attracted attention from over 10 institutions for research [4] - Companies like Daotong Technology are focusing on becoming leaders in the smart energy sector, capitalizing on opportunities in overseas markets [4]