Core Viewpoint - The company has developed a new heat dissipation copper powder that is not suitable for use as a 3D printing material and currently has no export plans [1] Company Summary - The newly developed copper powder has complete ownership rights by the company [1]

Core Viewpoint - The newly developed heat dissipation copper powder by the company cannot be used as a 3D printing material, and there are currently no export plans [1] Company Summary - The company, Youyan Powder Materials (688456.SH), has announced that its newly developed heat dissipation copper powder is not suitable for 3D printing applications [1] - The company has indicated that there are no plans for exporting this new product at the moment [1]

Core Viewpoint - The company Yuyuan Powder Materials (688456.SH) highlights the broad application prospects of copper paste in LTCC (Low-Temperature Co-fired Ceramics), indicating a reliance on imported copper powder for production [1] Group 1: Company Insights - Yuyuan Powder Materials has the capability to produce various specifications of copper powder for LTCC applications [1] - The company's products have been validated by leading domestic LTCC manufacturers [1] Group 2: Industry Trends - Domestic manufacturers are investing heavily in the research and development of copper LTCC, showing rapid progress in this area [1] - The industry currently relies significantly on imported copper powder, indicating potential opportunities for domestic production [1]

Core Points - The company is holding its third extraordinary general meeting of shareholders in 2025 to ensure the protection of shareholders' rights and maintain order during the meeting [1][2] - The meeting will include discussions on financial budgets and the performance compensation of the chairman for 2024 [6][7] Meeting Procedures - All attendees must arrive 30 minutes prior to the meeting for registration, presenting necessary identification and documentation [2][3] - The meeting will be held on September 15, 2025, at 14:30 in Beijing, with both on-site and online voting options available [2][3] - The agenda includes signing in, announcing the start of the meeting, reading the meeting guidelines, and voting on proposed resolutions [2][3] Financial Proposals - The company proposes to increase its external financing budget by 300 million yuan, with a total external debt financing limit of 660 million yuan by year-end [4][6] - The funding will support projects such as the "Additive Manufacturing Metal Powder Material Industrial Base Project" and the construction of a new production line [4][5] - The internal financing budget is also proposed to be increased by 120 million yuan, with specific limits set for external and internal debt financing [4][6] Performance Compensation - The proposed performance salary for the chairman for 2024 is based on the company's performance and individual assessments, with a total salary of 609,734 yuan before tax [6][7] - A portion of the performance salary will be deferred for three years, subject to conditions related to the chairman's performance [6][7]

Group 1 - The company, Youyan Powder New Materials Co., Ltd., will hold its third extraordinary general meeting of shareholders on September 15, 2025, at 14:30 in Beijing [1][3][6] - Voting will be conducted through a combination of on-site and online methods, utilizing the Shanghai Stock Exchange's network voting system [1][2][3] - Shareholders must register by September 11, 2025, to attend the meeting, with specific documentation required for both individual and institutional shareholders [5][6][9] Group 2 - The meeting will not involve cumulative voting, and there are no related shareholders required to abstain from voting [2][3] - Shareholders can vote online during designated trading hours on the day of the meeting, with specific time slots outlined for both trading and internet platforms [1][2][3] - The company emphasizes the importance of proper identification and documentation for attendance and voting, including shareholder account cards and authorization letters [5][6][9]

Group 1 - The trend of liquid cooling in servers is becoming more prominent, and there is interest in the application of 3D printed copper powder materials for this purpose [2] - The company, Youyan Powder Materials (688456.SH), has confirmed that its 3D printed copper powder is already being used by clients to develop liquid cooling copper plates and other heat dissipation components, with related applications currently in progress [2]

Group 1 - The company has successfully developed a new thermal copper powder that is used in VC boards, GPUs, and data centers, marking an industry first [2] - The VC board is experiencing explosive growth in the liquid cooling sector, indicating a significant market opportunity [2] - The company confirmed that its current production capacity of thermal copper powder is sufficient to meet the surging demand in the industry [2]

Core Viewpoint - The company has confirmed that it is actively developing applications for 3D printed copper and copper alloy powders in electronic product cooling components, responding to market interest in copper-based liquid cooling plates showcased at a recent exhibition [2] Group 1 - An investor inquired about the company's preparations for copper-based liquid cooling plates, which were recently displayed by equipment manufacturers at an exhibition in Shenzhen [2] - The company stated that its downstream customers are already engaged in development work for electronic product cooling components using 3D printed copper and copper alloy powders, indicating ongoing progress in this area [2]

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 证券代码：688456 证券简称：有研粉材 公告编号：2025-036 有研粉末新材料股份有限公司 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。 重要内容提示： （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 召开日期时间：2025 年 9 月 15 日 14 点 30 分 召开地点：北京市怀柔区雁栖经济开发区雁栖路 3 号 1 幢有研粉材二层会 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 15 日 至2025 年 9 月 15 日 股东会召开日期：2025年9月15日 本次股东会采用的网络投票系统：上海证券交易所股东大会网络投票系 统 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 ...

有研粉末新材料股份有限公司 2025 年第三次临时股东会 会议资料 2025 年 9 月 15 日 2025 年第三次临时股东会文件 目录 | 2025 年第三次临时股东会会议议程 | | | | | 2 | | --- | --- | --- | --- | --- | --- | | 2025 年第三次股东会会议须知 | | | | | | | 议案一：关于追加 | 年度财务预算的议案 | 2025 | | | | | 议案二：关于公司董事长 | 2024 年度绩效薪酬的议案 | | | | 4 7 10 | 1 2025 年第三次临时股东会文件 （三）主持人宣布现场参会股东、委托代表出席及所持股份情 况，及其他现场参会人员情况； （四）主持人宣读股东会会议须知； 2025 年第三次临时股东会会议议程 一、会议时间：2025 年 9 月 15 日（星期五）下午 14:30 二、会议地点：北京市怀柔区雁栖经济开发区雁栖路 3 号 1 幢 有研粉材二层会议室 三、投票方式：现场投票和网络投票相结合的方式 四、网络投票系统：上海证券交易所股东大会网络投票系统， 通过交易系统投票平台的投票时间为 2025 年 9 ...