Group 1: Aerospace and Defense Companies - Shenjian Co., Ltd. has seen a stock increase for five consecutive days, focusing on aerospace-related molds, metal parts, composite materials, and Beidou satellite navigation system terminal products [2] - Aerospace Engineering has experienced a stock rise for four days, being the only listed company under the Rocket Technology Research Institute of the Aerospace Science and Technology Corporation, specializing in gasification technology and key equipment [2] - Daye Co., Ltd. is investing in a joint venture that focuses on aerospace power systems and specialized pressure vessels, while also developing humanoid robot dexterous hands [2] - Zhongchao Holdings is a comprehensive cable supplier, providing high-temperature alloy precision castings for aerospace applications [2] - Boyun New Materials has developed carbon/carbon throat lining materials for the Kuaizhou series of commercial solid rockets, establishing itself as a core research base for solid rocket engine composite materials [2] Group 2: Satellite and Communication Technologies - Xinguang Yuda is engaged in information perception, satellite communication, and unmanned systems, reporting a net profit increase of 260% year-on-year in its third-quarter report [2] - Ruihua Tai has participated in multiple aerospace military projects, including the manned space station and launch vehicles, and is developing PI films to enhance the lifespan of satellites and spacecraft [3] - Guojiji Precision Engineering is a leading company in the aerospace bearing sector, having provided bearings for major projects like Chang'e and Long March rockets [3] - China Satellite is a leading domestic satellite manufacturer and a major provider for the Beidou system [3] Group 3: Emerging Technologies and Innovations - Jun Da Co., Ltd. has formed a strategic partnership with Shangyi Optoelectronics to explore the application of perovskite battery technology in space energy [3] - Tian Tong Co., Ltd. showcased its commercial satellite digital batch electrical assembly technology at a national conference, contributing to the supply chain of the aerospace information industry [6] - Yingli Automotive focuses on lightweight automotive components, including dashboard frames and EV battery housings, leveraging its Taiwanese background [5] Group 4: Investment and Expansion Plans - Jiufeng Energy is expanding its special fuel and gas supply project at the Hainan commercial space launch site, with an estimated total investment of approximately 300 million yuan [2] - Nanjing Panda's new satellite communication terminal project includes both hardware and software, supporting satellite communication between terminals [3] - The company has signed a strategic cooperation agreement with Galaxy Aerospace to enter the commercial aerospace sector [6]

Group 1 - The electronic sector experienced a significant rally in early trading on December 24, with companies such as Victory Precision, Hengmingda, and Tianjin Pulin hitting the daily limit up [1] - Other companies like Jingyan Technology and Zhizheng Co. saw their stock prices increase by over 7%, while Demingli also experienced a rise [1]

Core Viewpoint - Hengmingda (002947) reported a slight fluctuation in revenue for Q3 2025, while net profit attributable to shareholders increased by 18.1% year-on-year, indicating a positive overall development trend and improved profitability quality [1] Group 1 - The company attributes the revenue fluctuation to product structure upgrades and other factors [1] - The current order situation is reported to be good, with specific operational details to be disclosed in future periodic reports [1] - The company is committed to enhancing its research and management capabilities to achieve sustainable business development [1] Group 2 - The company strictly adheres to information disclosure laws and regulations, confirming that there is no undisclosed information that should have been revealed [1]

证券代码：002947 证券简称：恒铭达 公告编号：2025-085 苏州恒铭达电子科技股份有限公司 关于更换保荐代表人的公告 本公司及董事会全体成员保证公告内容的真实、准确和完整，不存在虚假记载、误导性 陈述或者重大遗漏。 苏州恒铭达电子科技股份有限公司（以下简称"公司"）于近日收到保荐机构国联民生 证券承销保荐有限公司（以下简称"国联民生"）出具的函件，公司持续督导的保荐代表人 发生变更，具体情况如下： 董事会 2025 年 12 月 19 日 附件：李大山先生简历 李大山先生，保荐代表人，工商管理硕士，注册会计师资格、税务师资格，现任国联民 生证券承销保荐有限公司业务董事，曾在大信会计师事务所担任审计经理从事财务审计及税 务咨询工作，曾参与龙江交通 2013 年非公开发行、华测检测 2014 年资产收购、华测检测 2015 年非公开发行项目，负责森霸传感首发上市项目，目前担任传美讯向不特定合格投资 者公开发行股票并在北京证券交易所上市项目（在审）的保荐代表人，在保荐业务执业过程 中严格遵守《保荐业务管理办法》等相关规定，执业记录良好，无监管机构处罚记录。 国联民生为公司 2023 年度向特定对象发行股票 ...

Group 1 - The company announced the appointment of a new auditing firm, Crowe Horwath, for the fiscal year 2025 [2] - The previous auditing firm was Tianjian Certified Public Accountants [2]

Group 1 - The company Hengmingda (002947) announced the approval of the proposal to change the auditing firm for the year 2025 during the 28th meeting of its third board of directors [1] - The company also approved the proposal to convene the third extraordinary general meeting of shareholders for the year 2025 [1]

Group 1 - The company Hengmingda (002947) announced that it will hold the third extraordinary general meeting of shareholders for the year 2025 on December 31, 2025, at 14:30 [1] - The agenda for the meeting includes the proposal to change the auditing firm for the year 2025 [1]

Group 1 - Hengmingda (SZ 002947) announced on December 15 that its third board meeting for 2025 was held on December 12, where the proposal to change the auditing firm for 2025 was reviewed [1] - For the first half of 2025, Hengmingda's revenue composition was 98.54% from manufacturing and 1.46% from other businesses [1] - As of the report, Hengmingda's market capitalization was 11 billion yuan [1] Group 2 - The article highlights concerns regarding the financial practices of Jiangsu Wuzhong, where related parties have questionable registration addresses, leading to shareholder inquiries about missing funds [1] - The company is facing potential delisting due to financial irregularities involving the Qian siblings, who are accused of depleting the company's resources [1]

证券代码：002947 证券简称：恒铭达 公告编号：2025-083 特别提示： 1. 苏州恒铭达电子科技股份有限公司（以下简称"公司"）拟聘任的会计师事务所名称：致 同会计师事务所（特殊普通合伙）（以下简称"致同所"）。原聘任的会计师事务所名称：天健会 计师事务所（特殊普通合伙）（以下简称"天健所"）。 2. 变更会计师事务所的原因：鉴于前任会计师事务所天健所已连续多年为公司提供审计服务， 为进一步确保公司审计工作的独立性和客观性，综合考虑公司业务现状和发展需要，经综合评估及 审慎研究，公司拟聘任致同所为公司 2025 年度审计机构，负责公司 2025 年度财务报表及内部控制 审计等工作。公司已就变更会计师事务所相关事项与原聘任会计师事务所进行了沟通，原聘任会计 师事务所对变更相关事项无异议。 3. 公司董事会审计委员会、独立董事专门会议、董事会对本次拟变更会计师事务所事项不存 在异议。 4. 公司拟变更会计师事务所符合财政部、国务院国资委、证监会印发的《国有企业、上市公 司选聘会计师事务所管理办法》的规定。 5. 本次拟变更会计师事务所事项尚需提交公司 2025 年第三次临时股东会审议。 一、拟变更会计师 ...

苏州恒铭达电子科技股份有限公司 关于召开 2025 年第三次临时股东会的通知 本公司及董事会全体成员保证公告内容的真实、准确和完整，没有虚假记载、误导性陈述 或者重大遗漏。 证券代码：002947 证券简称：恒铭达 公告编号：2025-084 4、会议时间： （1）现场会议时间：2025 年 12 月 31 日（星期三）14:30 （2）网络投票时间：通过深圳证券交易所系统进行网络投票的具体时间为 2025 年 12 月 31 日 9:15-9:25，9:30-11:30，13:00-15:00；通过深圳证券交易所互联网投票系统投票的具体时间为 2025 年 12 月 31 日 9:15 至 15:00 的任意时间。 5、会议的召开方式：现场表决与网络投票相结合。 6、会议的股权登记日：2025 年 12 月 25 日（星期四） 7、出席对象： 根据《中华人民共和国公司法》和《公司章程》的有关规定，经苏州恒铭达电子科技股份有限公司 （以下简称"公司"）第三届董事会第二十八次会议审议通过，公司决定于 2025 年 12 月 31 日 14:30 召开 2025 年第三次临时股东会，现将本次会议的有关事项通知如下 ...