证券代码：600360 证券简称：*ST 华微 公告编号：2025-072 吉林华微电子股份有限公司 关于改选公司部分非独立董事的公告 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法律责任。 重要内容提示： 鉴于吉林华微电子股份有限公司（以下简称"公司"）控股股东已发生变 更，拟对公司第九届董事会部分董事进行改选。公司第九届董事会非独立董事孟 鹤先生、赵连奎先生分别向董事会递交了书面辞职报告。孟鹤先生申请辞去公司 第九届董事会非独立董事职务；赵连奎先生申请辞去公司第九届董事会非独立董 事职务，同时辞去董事会审计委员会委员职务。孟鹤先生辞去董事职务后，仍然 担任公司副总经理职务。赵连奎先生辞去董事、董事会审计委员会委员职务后仍 然担任公司控股子公司吉林华微斯帕克电气有限公司总经理职务。 公司于近日收到公司控股股东吉林省亚东国有资本投资有限公司（以下 简称"亚东投资"）发来的《关于提名华微电子董事候选人的函》。经亚东投资研 究决定，提名李鹏女士、吴铁成先生为公司第九届董事会非独立董事候选人。公 司于 2025 年 9 月 2 日召开了第九 ...

证券代码：600360 证券简称：*ST 华微 公告编号：2025-073 吉林华微电子股份有限公司 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法律责任。 重要内容提示： 一、 召开会议的基本情况 (一) 股东会类型和届次 2025年第三次临时股东会 (二) 股东会召集人：董事会 (三) 投票方式：本次股东会所采用的表决方式是现场投票和网络投票相结 合的方式 (四) 现场会议召开的日期、时间和地点 召开的日期时间：2025 年 9 月 18 日 9 点 30 分 召开地点：吉林省吉林市高新区深圳街 99 号公司会议室 (五) 网络投票的系统、起止日期和投票时间。 网络投票系统：上海证券交易所股东大会网络投票系统 网络投票起止时间：自2025 年 9 月 18 日 至2025 年 9 月 18 日 采用上海证券交易所网络投票系统，通过交易系统投票平台的投票时间为股 东会召开当日的交易时间段，即 9:15-9:25,9:30-11:30，13:00-15:00；通过互 联网投票平台的投票时间为股 ...

证券代码：600360 证券简称：*ST 华微 公告编号：2025-071 吉林华微电子股份有限公司 第九届董事会第十一次会议决议公告 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法律责任。 吉林华微电子股份有限公司（以下简称"公司"）董事会于 2025 年 9 月 1 日发 出召开第九届董事会第十一次会议通知，分别以送达、发送电子邮件及电话通知的 方式通知了各位董事。根据《公司章程》和公司《董事会议事规则》的有关规定， 公司于 2025 年 9 月 2 日在公司本部会议室以现场和通讯表决的方式召开了第九届董 事会第十一次会议，会议应到董事 5 名，实到董事 5 名。会议符合《公司法》《公司 章程》、《董事会议事规则》的有关规定。会议审议并一致通过了如下决议： 表决结果：同意 5 票，反对 0 票，弃权 0 票。 1、 审议通过《关于豁免董事会会议通知期限的议案》 表决结果：同意 5 票，反对 0 票，弃权 0 票。 会议同意，本次豁免《公司章程》规定的董事会会议通知期限和会议材料提交 时间的要求限制，同意召开第九届董事会第十一次会议 ...

Product Overview - The company has developed the HWD12B40GA4 model ADC chip, which is a 4-channel, 12-bit, 40GSPS high-speed and high-precision RF direct sampling ADC, representing a significant technological breakthrough [1] - This chip enhances sampling rate and bandwidth compared to existing products, filling a gap in both domestic and international markets, and achieving international leading technology levels [1] Technical Specifications - The chip supports configurable sampling rates of 24-40GSPS in 4-channel mode and 48-80GSPS in dual-channel mode, with an input analog bandwidth of up to 19GHz and a noise spectral density as low as -152dBFs/Hz [2] - It features a high spurious-free dynamic range of up to 18GHz in the Ku band, and is designed with high reliability [2] - The chip is fully designed in-house with complete intellectual property rights, having overcome key technical challenges and applied for multiple domestic and international invention patents [2] Market Applications - The chip supports Ku band RF direct sampling and is applicable in various fields such as radar, commercial satellites, electronic countermeasures, wireless communications, high-end instruments, and drones, indicating a broad future application prospect [2] - The company has already sent samples to some customers and received intention orders [2] Impact on the Company - The successful launch of the HWD12B40GA4 chip solidifies the company's leading position in the high-speed and high-precision ADC sector, expands its product line, and broadens market opportunities [2] - The company aims to continue technological breakthroughs to meet customer needs and promote the development of the domestic high-speed and high-precision ADC field [2]

Meeting Overview - The second meeting of the Supervisory Board of Chengdu Huamei Electronics Technology Co., Ltd. was held on August 27, 2025, with all three supervisors present, confirming the legality and validity of the meeting [1]. Resolutions Passed - The Supervisory Board approved the "2025 Half-Year Report and Summary," affirming that the report accurately reflects the company's situation and complies with relevant regulations [1]. - The resolution to cancel the Supervisory Board and amend the company’s articles of association was also approved, pending shareholder meeting review [2]. - The "Special Report on the Storage, Management, and Actual Use of Raised Funds for the First Half of 2025" was approved unanimously [2]. - The "Half-Year Risk Assessment Report from China Electronics Finance Co., Ltd." was approved, with one supervisor abstaining from the vote due to a conflict of interest [3].

Meeting Information - The first extraordinary general meeting of 2025 will be held on September 16, 2025, at 14:00 in the conference room 2205 of Chengdu Huamei Electronics Technology Co., Ltd. [1] - The voting method for the meeting will combine on-site voting and online voting [1][3]. Voting Procedures - The online voting system will be the Shanghai Stock Exchange's shareholder meeting online voting system, available from September 16, 2025, during specified trading hours [1][4]. - Shareholders must complete identity verification to vote on the internet for the first time [4]. Attendance and Registration - Shareholders registered with China Securities Depository and Clearing Corporation Limited as of September 8, 2025, are eligible to attend the meeting [4][5]. - Registration for the meeting will occur on September 15, 2025, with options for on-site, mail, or email registration [5][6]. Proxy Voting - Shareholders can appoint proxies to attend the meeting and vote on their behalf, with specific documentation required for the proxy [5][6][9]. - The proxy must present the original identity documents and authorization letter during registration [6][9]. Additional Information - Attendees are responsible for their own transportation and accommodation costs [7]. - Contact information for the board office is provided for any inquiries [7].

Core Viewpoint - The report highlights the financial performance and operational challenges faced by Chengdu Huamei Electronics Technology Co., Ltd., including a significant decline in net profit despite revenue growth, and outlines the company's corrective actions regarding improper fund management [1][2][17]. Financial Performance - The company achieved operating revenue of 354.93 million yuan in the first half of 2025, representing a year-on-year increase of 26.93% [2][7]. - The net profit attributable to shareholders was 35.72 million yuan, a decrease of 51.26% compared to the same period last year [2][7]. - The net profit after deducting non-recurring gains and losses was 18.99 million yuan, down 59.15% year-on-year [2][7]. Operational Challenges - The decline in profit is attributed to intensified industry competition, reduced product prices, and increased R&D and marketing expenses [2][6]. - The company faces risks related to market demand fluctuations due to international political and economic conditions, which could further impact operational performance [3][6]. Risk Factors - The company operates in a talent and technology-intensive industry, where rapid product and technology upgrades are crucial. Failure to innovate or adapt to market trends could weaken its competitive position [3][6]. - The reliance on major clients, primarily state-owned enterprises, poses a risk if their purchasing needs change significantly [4][6]. - Financial risks include increasing accounts receivable due to slow payment from clients, which could affect cash flow [4][6]. Compliance and Rectification - The company mistakenly deposited 8,000 yuan of its own funds into the fundraising account, violating regulations. It has since taken corrective measures, including staff training and improved internal controls [1][2][17]. - As of July 26, 2025, the company has rectified the fund management issue by transferring the mistakenly deposited funds out of the fundraising account [2][17]. R&D and Competitive Edge - The company maintains a strong focus on R&D, with R&D expenses accounting for 28.27% of operating revenue, an increase of 2.02 percentage points year-on-year [8][10]. - It has a robust technical foundation with 123 invention patents and a dedicated R&D team, which is crucial for maintaining its competitive edge in the specialized integrated circuit market [8][10]. Fundraising and Financial Management - The company raised 1.5 billion yuan through its initial public offering, with net proceeds of approximately 1.42 billion yuan after deducting issuance costs [11][12]. - As of June 30, 2025, the company had invested approximately 829.97 million yuan in fundraising projects, with a remaining balance of about 599.75 million yuan [11][12].

成都华微电子科技股份有限公司2025 年半年度报告 公司代码：688709 公司简称：成都华微 成都华微电子科技股份有限公司 成都华微电子科技股份有限公司2025 年半年度报告 重要提示 一、 本公司董事会、监事会及董事、监事、高级管理人员保证半年度报告内容的真实性、准确 性、完整性，不存在虚假记载、误导性陈述或重大遗漏，并承担个别和连带的法律责任。 二、 重大风险提示 公司已在本报告中详细说明公司在经营过程中可能面临的各种风险，敬请查阅本报告"第三 节 管理层讨论与分析 四、风险因素"。 三、 公司全体董事出席董事会会议。 四、 本半年度报告未经审计。 五、 公司负责人王策、主管会计工作负责人刘永生及会计机构负责人（会计主管人员）刘永生 声明：保证半年度报告中财务报告的真实、准确、完整。 六、 董事会决议通过的本报告期利润分配预案或公积金转增股本预案 无。 七、 是否存在公司治理特殊安排等重要事项 □适用 √不适用 八、 前瞻性陈述的风险声明 √适用 □不适用 本报告所涉及未来计划、发展战略等前瞻性描述不构成公司对投资者的实质性承诺，敬请投 资者注意投资风险。 九、 是否存在被控股股东及其他关联方非经营性占 ...

Core Viewpoint - Chengdu Huamei Electronics Technology Co., Ltd. reported a significant increase in operating income but a substantial decline in net profit for the first half of 2025 compared to the previous year [3][4]. Financial Summary - Total assets at the end of the reporting period amounted to CNY 3,705,120,664.01, reflecting a 0.97% increase from the previous year [3]. - Net assets attributable to shareholders reached CNY 2,842,804,267.79, up by 1.19% year-on-year [3]. - Operating revenue for the period was CNY 354,924,960.45, representing a 26.93% increase compared to CNY 279,616,209.26 in the same period last year [3]. - Total profit decreased by 48.09% to CNY 40,625,180.70 from CNY 78,261,045.17 [3]. - Net profit attributable to shareholders fell by 51.26% to CNY 35,720,489.59 from CNY 73,284,314.34 [3]. - The net cash flow from operating activities was negative at CNY -269,972,183.16, compared to CNY -14,146,133.16 in the previous year [3]. - The weighted average return on net assets decreased by 1.93 percentage points to 1.26% [3]. - Basic and diluted earnings per share were both CNY 0.06, down 50% from CNY 0.12 [3]. - Research and development expenses accounted for 28.27% of operating revenue, an increase of 2.02 percentage points from the previous year [3]. Shareholder Information - The total number of shareholders as of the reporting period was 13,114 [3]. - The top ten shareholders included state-owned entities such as China Zhinhua Electronics Group Co., Ltd. and Huada Semiconductor Co., Ltd., with the largest shareholder holding 44.84% of the shares [4].

证券代码：688709 证券简称：成都华微 公告编号：2025-021 成都华微电子科技股份有限公司 第二届董事会第六次会议决议公告 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、准确性和完整性依法承担法律责任。 一、董事会会议召开情况 成都华微电子科技股份有限公司（以下简称"公司"）第二届董事会第六次 会议于2025年8月27日11:00以现场结合通讯方式召开。本次会议通知已于2025年 会议应出席董事7人，实际出席董事7人。本次会议的召集和召开、表决方式符合 《中华人民共和国公司法》《上海证券交易所科创板股票上市规则》等相关法律 法规、规范性文件及《成都华微电子科技股份有限公司章程》的相关规定，会议 决议合法有效。 二、董事会会议审议情况 与会董事认真审议本次会议相关议案，以书面记名投票表决方式作出如下决 议： （一）审议通过《关于 2025 年半年度报告及摘要的议案》 本议案在提交董事会前已经第二届董事会审计委员会第六次会议审议通过。 表决结果：同意 7 票，反对 0 票，弃权 0 票。 具 体 内 容 详 见 公 司 于 2025 年 8 月 2 ...