Market Overview - The other power equipment sector experienced a decline of 0.57% compared to the previous trading day, with Haibosi leading the drop [1] - The Shanghai Composite Index closed at 3965.28, up 0.04%, while the Shenzhen Component Index closed at 13537.1, down 0.49% [1] Stock Performance - Notable gainers in the other power equipment sector included: - Xinfeng Energy (300593) with a closing price of 31.15, up 3.83%, and a trading volume of 622,600 shares, totaling 1.893 billion yuan [1] - ST Yishite (300376) closed at 6.45, up 3.20%, with a trading volume of 346,900 shares, totaling 224 million yuan [1] - Oulu Tong (300870) closed at 232.90, up 2.68%, with a trading volume of 166,400 shares, totaling 1.540 billion yuan [1] - Decliners included: - Haidao Feitan (688411) closed at 259.79, down 5.03%, with a trading volume of 31,500 shares, totaling 818 million yuan [2] - Xizi Clean Energy (002534) closed at 17.23, down 3.20%, with a trading volume of 140,600 shares, totaling 245 million yuan [2] - ST Huaxi (002630) closed at 2.58, down 3.01%, with a trading volume of 251,200 shares, totaling 65.3 million yuan [2] Capital Flow - The other power equipment sector saw a net outflow of 800.3 million yuan from institutional investors, while retail investors experienced a net inflow of 490 million yuan [2] - The capital flow for specific stocks showed: - Oulu Tong (300870) had a net inflow of 13.5 million yuan from institutional investors, but a net outflow of 139 million yuan from retail investors [3] - Xinfeng Energy (300593) had a net inflow of 54.67 million yuan from institutional investors, with a net outflow of 112 million yuan from retail investors [3] - Keda (002518) had a net inflow of 23.04 million yuan from institutional investors, but a net outflow of 26.74 million yuan from retail investors [3]

Core Viewpoint - The company confirmed its subsidiary, Hohwei Power, is focused on customized aerospace special power supply applications, primarily producing power modules and component power supplies [1] Group 1 - The company received an inquiry from investors regarding its involvement in customized power supply applications in the aerospace sector [1] - The company has plans to expand its capacity in the aerospace field, as indicated by its focus on specialized power supply solutions [1]

Core Viewpoint - Tonghe Technology (300491) focuses on customized aerospace special power supply through its subsidiary, Howey Power, which primarily offers power modules and component power supplies [1] Company Summary - Tonghe Technology's subsidiary, Howey Power, specializes in the aerospace sector, indicating a strategic focus on high-demand, niche markets [1] - The current product offerings include power modules and component power supplies, highlighting the company's commitment to providing tailored solutions in the aerospace industry [1]

Investment Rating - The industry investment rating is "Outperform the Market - A" [1] Core Insights - The artificial intelligence (AI) industrialization wave is approaching, leading to a rapid increase in demand for Artificial Intelligence Data Centers (AIDC) [4][11] - Power distribution equipment is a crucial component of AIDC and is expected to benefit significantly from the high demand in AIDC [36] - Major companies involved in the AIDC sector are highlighted, indicating potential investment opportunities [3] Summary by Sections Section 1: AI Industrialization and AIDC Demand Growth - AI is at a critical turning point for commercial deployment, driving a rapid increase in demand for intelligent computing power [4][11] - AIDC serves as the physical carrier for intelligent computing power, benefiting from the AI industrialization wave [12] - AIDC is evolving towards high energy consumption and high density, necessitating continuous upgrades in power distribution equipment [30][35] Section 2: Power Distribution Equipment in AIDC - Power distribution equipment is a vital part of AIDC, accounting for approximately 13% of initial investment costs [42] - AIDC's power supply architecture typically employs redundancy designs to ensure high reliability [43][44] - Diesel generator sets are the most common backup power solution for AIDC [56][60] - The transition from UPS to high-voltage direct current (HVDC) systems is anticipated, with HVDC becoming the mainstream architecture in the future [68][86] - The market for server power supplies is projected to exceed 100 billion, with supercapacitors and battery backup units (BBU) being key growth areas [113]

Core Insights - The report highlights a sustained high growth in electric vehicle (EV) sales across nine European countries in November 2025, with a total of 281,000 new energy vehicles sold, representing a year-on-year increase of 38.6% and a penetration rate of 34.3%, up by 9.0 percentage points [1][2]. Group 1: Sales Performance - In November 2025, battery electric vehicle (BEV) sales reached 190,000 units, marking a year-on-year increase of 40.5%, while plug-in hybrid electric vehicle (PHEV) sales totaled 91,000 units, up by 35.0% [1][2]. - Germany's BEV sales were 56,000 units, a significant year-on-year increase of 58.5%, and PHEV sales were 32,000 units, up by 57.4% [2][3]. - France's BEV sales reached 34,000 units, reflecting a year-on-year growth of 47.5%, with a penetration rate of 25.8%, an increase of 8.4 percentage points [3]. Group 2: Market Drivers - The implementation of subsidies in France and Italy has led to a rapid increase in BEV sales, with Italy experiencing a remarkable year-on-year growth of 131.4% in BEV sales, totaling 15,000 units [3]. - The UK has restarted EV subsidies and is under pressure from zero-emission vehicle (ZEV) targets, which is expected to sustain growth in EV sales in the coming months [2][3]. - Norway is anticipated to see a surge in electric vehicle purchases as the year-end approaches, driven by consumer demand [1][2]. Group 3: Future Outlook - The European Commission's proposal to adjust the 2035 emission reduction targets is not expected to hinder the long-term trend of electrification in Europe; instead, it may promote sales of small electric vehicles [4]. - New generations of pure electric models are set to be launched by various automakers from late 2025 to the first half of 2026, which is likely to boost the European EV market [4]. Group 4: Investment Recommendations - Investment recommendations include companies involved in lithium batteries, lithium materials, battery structural components, power/electric drive systems, automotive safety components, and charging infrastructure [4]. - Specific companies recommended for investment in lithium batteries include CATL, EVE Energy, and Xinwangda, while lithium material companies include Hunan Youneng and Tianci Materials [4].

Core Viewpoint - The other power equipment sector experienced a significant increase of 3.7% on December 24, with Xinle Energy leading the gains, reflecting positive market sentiment in this industry [1]. Group 1: Market Performance - The Shanghai Composite Index closed at 3940.95, up by 0.53%, while the Shenzhen Component Index closed at 13486.42, up by 0.88% [1]. - Notable stocks in the other power equipment sector included: - Xinfu Energy (300593) with a closing price of 30.24, up by 20.00% and a trading volume of 632,300 shares, totaling a transaction value of 1.83 billion [1]. - Zhongheng Electric (002364) closed at 27.67, up by 10.02% with a trading volume of 547,300 shares [1]. - Jinshi Technology (002951) closed at 15.29, up by 10.00% with a transaction value of 209 million [1]. Group 2: Capital Flow - The other power equipment sector saw a net inflow of 1.933 billion in main funds, while retail investors experienced a net outflow of 762 million [2]. - The capital flow for key stocks included: - Maigemit (002851) had a main fund net inflow of 460 million, but retail funds saw a net outflow of 189 million [3]. - Zhongheng Electric (002364) had a main fund net inflow of 401 million, with retail funds experiencing a net outflow of 210 million [3]. - Shanghai Electric (601727) recorded a main fund net inflow of 83.28 million, while retail funds had a net outflow of 21.53 million [3].

Group 1 - The data center power concept showed initial strength on December 24, with companies like New Ray Power hitting the daily limit up [1] - Megmeet Technology also approached the daily limit up, indicating strong market interest [1] - Other companies such as Zhongheng Electric, KOTAI Power, Tonghe Technology, and Kehua Data experienced upward movement in their stock prices [1]

证券日报网讯12月23日，通合科技（300491）在互动平台回答投资者提问时表示，截至2025年12月19 日，公司普通股股东总数为19750户。 ...

证券代码：300491 证券简称：通合科技 公告编号：2025-079 石家庄通合电子科技股份有限公司 关于为子公司提供担保额度的进展公告 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、担保情况概述 2025年2月28日，石家庄通合电子科技股份有限公司（以下简称"公司"或 "通合科技"）召开了第五届董事会第八次会议、第五届监事会第八次会议，审 议通过了《关于为子公司提供担保额度的议案》，同意公司在子公司申请综合授 信、借贷业务或开展其他日常经营业务时为其提供担保，预计担保额度合计不超 过46,000万元，其中为资产负债率低于70%的子公司西安霍威电源有限公司（以 下简称"霍威电源"）提供担保额度为不超过18,000万元，为资产负债率70%以 上（含70%）的子公司河北通合新能源科技有限公司（以下简称"通合新能源"）、 陕西通合电子科技有限公司（以下简称"陕西通合"）提供担保额度为合计不超 过28,000万元。担保方式包括但不限于保证、抵押、质押、反担保等方式，担保 额度有效期自股东大会审议通过之日起一年内，担保额度在授权期限内可循环使 用。担保额度有效期 ...

证券日报网讯 12月22日晚间，通合科技发布公告称，公司2025年第三次临时股东会审议通过《关于增 加注册资本暨修订的议案》。 （文章来源：证券日报） ...