Group 1 - The company has been involved in the fuel cell sector for many years, with products including isolated fuel cell DC/DC systems that cover power ranges from 90kW to 300kW and achieve an overall efficiency of 97%-98% [1] - The applications of the company's fuel cell products include rail transportation, ground power generation, marine use, and heavy-duty trucks [1] - In the SOFC (Solid Oxide Fuel Cell) business, the company provides supporting power products for major domestic manufacturers [1]

Core Insights - In September 2025, a total of 47 listed companies in Shanghai, Shenzhen, and Beijing announced changes to their auditing firms, indicating a significant shift in the auditing landscape [3][6]. Group 1: Changes in Auditing Firms - Notable changes include companies like Xiaoxin Environment switching from Xinyong Zhonghe to Deloitte, and Jian Tai Technology moving from Zhonghua to PwC Zhongtian [4][5]. - The audit fees for 2024 for these companies varied, with Xiaoxin Environment paying 4.96 million yuan and Jian Tai Technology paying 4.5 million yuan [4]. Group 2: Client Changes Among Audit Firms - The firm with the largest decrease in clients was Lixin, losing 7 clients, while Rongcheng gained the most clients, increasing by 6 [6][8]. - The detailed statistics show that Lixin and Rongcheng were the most affected firms in terms of client changes, reflecting a competitive shift in the auditing market [6][9].

Market Overview - The other power equipment sector increased by 1.38% on September 30, with Xinle Energy leading the gains [1] - The Shanghai Composite Index closed at 3882.78, up 0.52%, while the Shenzhen Component Index closed at 13526.51, up 0.35% [1] Stock Performance - Xinle Energy (300593) saw a closing price of 22.44, with a significant increase of 20.00% and a trading volume of 371,300 shares, amounting to a transaction value of 815 million [1] - Youyou Green Energy (301590) closed at 233.32, up 8.36%, with a trading volume of 18,500 shares and a transaction value of 428 million [1] - Other notable performers include Koweier (688551) with a 5.75% increase, Haibosi Chuang (688411) up 5.46%, and Dongli Source (600405) up 5.18% [1] Capital Flow - The other power equipment sector experienced a net outflow of 540 million from institutional investors, while retail investors saw a net inflow of 690 million [2][3] - The capital flow data indicates that Xinle Energy had a net inflow of 191 million from institutional investors, but a net outflow of 106 million from retail investors [3] - Other companies like Tonghe Technology (300491) and Shenghong Co. (300693) also showed varied capital flows, with significant net inflows from institutional investors [3]

Core Viewpoint - The company believes that the automotive electronics business will become a key driver for long-term sustainable development, driven by the trend of automotive intelligence and the penetration of intelligent driving equality solutions [2] Group 1: Automotive Electronics Business - The automotive electronics field shares many similarities with the smart security field, such as good night vision imaging performance, low noise, rapid adaptation to changing light environments requiring high dynamic range (HDR), wide temperature range requirements, and high standards for redundancy design [2] - The company has leveraged its deep technical accumulation in the smart security field to quickly enter the automotive electronics sector [2] Group 2: Product Reliability and Quality Management - Compared to security and consumer terminal CIS, automotive CIS requires stringent automotive-grade certification to ensure product reliability [2] - Since entering the automotive sector, the company has prioritized safety, establishing a high-quality R&D control system from the initial product design phase to ensure the reliability of automotive CIS products throughout their lifecycle [2] Group 3: Collaboration and Innovation - The company has intensified collaboration with Jinghe Integrated in areas such as process development, product innovation, and capacity supply [2] - The domestic Stacked BSI platform has successfully mass-produced several CMOS image sensor products for mobile applications, such as SC532HS and SC562HS, balancing performance and cost advantages [2] - The company plans to continue strengthening collaboration to promote innovation and development in domestic CIS technology [2]

Core Viewpoint - The company, Beijing Power Source Technology Co., Ltd., has experienced fluctuations in stock performance and financial metrics, indicating potential investment opportunities and challenges in the power electronics sector. Financial Performance - As of June 30, 2025, the company reported a revenue of 201 million yuan, a year-on-year decrease of 30.85%, while the net profit attributable to shareholders was -91.36 million yuan, an increase of 12.44% year-on-year [2] - The stock price has increased by 4.42% year-to-date, but has seen a decline of 4.83% in the last five trading days and 13.09% in the last twenty days [1] Stock Market Activity - The stock reached a price of 5.91 yuan per share with a total market capitalization of 3.622 billion yuan [1] - The company has appeared on the "Dragon and Tiger List" five times this year, with the most recent appearance on June 17, where it recorded a net purchase of 60.67 million yuan [1] Business Overview - The company was established on January 21, 1995, and went public on April 1, 2004, focusing on research, manufacturing, and sales of power electronics technology and related products [2] - The main revenue sources include: supporting power supplies (35.46%), communication power supplies (30.90%), light storage-related power supplies (16.79%), and others [2] Shareholder Information - As of June 30, the number of shareholders increased to 88,700, with an average of 6,877 circulating shares per person, reflecting a 5.56% increase from the previous period [2] Dividend Information - The company has distributed a total of 76.47 million yuan in dividends since its A-share listing, with no dividends paid in the last three years [3]

Group 1 - The company has established a special account for the temporary replenishment of raised funds and signed a tripartite supervision agreement to ensure proper management and usage of the funds [3][5][10] - The total amount raised through the issuance of shares was approximately RMB 186.99 million, with a net amount of RMB 174.52 million after deducting issuance costs [2][15][19] - The company plans to use up to RMB 50 million of idle raised funds for temporary working capital, with a usage period not exceeding 12 months from the board's approval date [9][18][21] Group 2 - The company has previously used idle raised funds for temporary working capital, with amounts not exceeding RMB 5 million and RMB 3.9 million in separate instances, both of which were returned to the special account ahead of schedule [16][17][25] - The board of directors and the audit committee have unanimously approved the use of idle funds, emphasizing that it will not affect the normal implementation of investment projects [20][21][22] - The tripartite supervision agreement includes provisions for monitoring fund usage and ensuring compliance with relevant regulations [4][6][8]

中德证券有限责任公司 关于北京动力源科技股份有限公司 使用部分闲置募集资金临时补充流动资金的核查意见 中德证券有限责任公司（以下简称"中德证券""保荐人"）作为北京动力源科技股 份有限公司（以下简称"动力源""公司"）2022 年度向特定对象发行 A 股股票的保荐 人，根据《证券发行上市保荐业务管理办法》《上市公司募集资金监管规则》《上海证券 交易所股票上市规则》《上海证券交易所上市公司自律监管指引第 1 号——规范运作》 《上海证券交易所上市公司自律监管指引第 11 号——持续督导》等相关法规、规则的 要求，对动力源使用部分闲置募集资金临时补充流动资金情况进行了审慎核查，具体情 况如下： 一、募集资金的基本情况 经中国证券监督管理委员会《关于同意北京动力源科技股份有限公司向特定对象发 行股票注册的批复》（证监许可〔2024〕269 号）许可，公司向特定对象发行人民币普通 股股票，面值为 1.00 元，发行数量 59,554,140 股，发行价格为每股人民币 3.14 元，募 集资金总额为人民币 186,999,999.60 元，扣除各项发行费用人民币 12,480,832.44 元（不 含增值税），募集资金 ...

证券代码：600405 证券简称：动力源 编号：2025-095 关于提前归还临时补充流动资金的募集资金的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述或者 重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连带责任。 北京动力源科技股份有限公司 董事会 2025 年 9 月 30 日 在使用募集资金暂时补充流动资金期间，公司严格按照《上市公司募集资金监管规 则》《上海证券交易所上市公司自律监管指引第 1 号——规范运作》等法规、规则以及 公司《募集资金管理制度》的相关规定，对资金进行合理安排，提高募集资金使用效益。 截至本公告披露日，公司已提前将上述用于临时补充流动资金的募集资金人民币 5,000.00 万元全部归还至募集资金专用账户，并将上述募集资金的归还情况通知了公司 的保荐机构及保荐代表人。 特此公告。 2024 年 11 月 13 日，北京动力源科技股份有限公司（以下简称"公司"）召开了 第八届董事会第三十三次会议、第八届监事会第二十三次会议以及第八届独立董事专门 委员会第五次会议，审议通过了《关于使用部分闲置募集资金临时补充流动资金的议 案》，同意公司使用闲置募集资金 ...

证券代码：600405 证券简称：动力源 编号：2025-097 北京动力源科技股份有限公司（以下简称"公司"）拟使用不超过人民币 5,000.00 万元的闲置募集资金临时补充流动资金，使用期限自公司董事会审议批准之日 起不超过 12 个月。 一、募集资金基本情况 经中国证券监督管理委员会《关于同意北京动力源科技股份有限公司向特定对象发 行股票注册的批复》（证监许可〔2024〕269 号）许可，公司向特定对象发行人民币普 通股股票面值为 1.00 元，发行数量 59,554,140 股，发行价格为每股人民币 3.14 元，募 集资金总额为人民币 186,999,999.60 元，扣除各项发行费用人民币 12,480,832.44 元（不 含增值税），募集资金净额为人民币 174,519,167.16 元。立信会计师事务所（特殊普通 合伙）已于 2024 年 10 月 30 日对公司向特定对象发行股票的资金到位情况进行了审验， 并出具了报告号为信会师报字[2024]第 ZB11216 号的验资报告。公司已对募集资金进行 了专户存储。 二、募集资金投资项目的基本情况 截至本公告披露日，公司已累计投入募集资金 5, ...

北京动力源科技股份有限公司 关于开立募集资金临时补流专项账户并签署募集资金临时 补流专户存储三方监管协议的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈 述或者重大遗漏，并对其内容的真实性、准确性和完整性承担个别及连带责任。 一、募集资金的基本情况 证券代码：600405 证券简称：动力源 编号：2025-096 经中国证券监督管理委员会《关于同意北京动力源科技股份有限公司向特定 对象发行股票注册的批复》（证监许可〔2024〕269 号）许可，公司向特定对象 发售的人民币普通股股票，面值为 1.00 元，发行数量 59,554,140 股，发行价格 为每股人民币 3.14 元，募集资金总额为人民币 186,999,999.60 元，扣除各项发行 费用人民币12,480,832.44元(不含增值税)，募集资金净额为人民币174,519,167.16 元。 上述募集资金已全部到账，立信会计师事务所(特殊普通合伙)已于 2024 年 10 月 30 日对公司向特定对象发行股票的资金到位情况进行了审验，并出具了报 告号为信会师报字(2024)第 ZB11216 号的验资报告。公司已对募集资金进 ...