Group 1 - The core point of the article is that Weiwan Sealing (301161) announced the election of Mr. Li Houning as a non-independent director of the company's second board of directors [1]

Group 1 - The company, Weiman Sealing, announced the convening of its fourth extraordinary general meeting of shareholders on September 22, 2025, to approve the appointment of Mr. Li Houning as a non-independent director of the second board of directors [1] - For the first half of 2025, Weiman Sealing's revenue composition was as follows: engineering machinery accounted for 51.74%, oil and gas for 19.33%, general machinery for 11.89%, coal machinery for 10.11%, and other businesses for 6.94% [1] - As of the report date, Weiman Sealing's market capitalization was 4.5 billion yuan [1]

证券代码：301161 证券简称：唯万密封 公告编号：2025-059 上海唯万密封科技股份有限公司 2025 年第四次临时股东大会决议公告 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。 特别提示： 1、本次股东大会以现场投票和网络投票相结合的方式召开； 2、本次股东大会召开期间无增加、变更、否决提案的情况； 3、本次股东大会不涉及变更以往股东大会已通过的决议。 一、会议召开和出席情况 （一）会议召开情况 1、会议召开时间 2、会议召开地点：上海市浦东新区运通路 196 弄 6 号楼 3 楼会议室 3、会议召开方式：采用现场表决与网络投票相结合的方式进行 4、会议召集人：公司第二届董事会 5、会议主持人：董事长董静先生 6、本次股东大会会议的召集和召开符合《中华人民共和国公司法》《中华 人民共和国证券法》《上市公司股东会规则》等相关法律法规和《公司章程》的 规定，会议形成的决议真实、有效。 （二）会议出席情况 1、股东出席的总体情况 通过现场和网络投票的股东及股东代表 89 人，代表有表决权的公司股份数 合计为 57,311,400 股，占上市公司有表决权股 ...

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证券代码：301161 证券简称：唯万密封 公告编号：2025-060 上海唯万密封科技股份有限公司 附件：第二届董事会非独立董事候选人简历 李厚宁先生，1979 年生，中国国籍，无境外永久居留权，本科学历，职业 经理人。2000 年 8 月至 2002 年 8 月，任番禺中联机械厂工程师；2002 年 10 月 至 2009 年 6 月，任广州嘉诺密封技术有限公司经理；2009 年 6 月至 2016 年 12 月，任广州加士特密封技术有限公司副总经理；2017 年 1 月至今，任广州加士 特密封技术有限公司总经理。 公司于 2025 年 9 月 22 日召开 2025 年第四次临时股东大会，审议通过了《关 于增补第二届董事会非独立董事候选人的议案》，李厚宁先生当选公司第二届董 事会非独立董事，任期自本次股东大会审议通过之日起至第二届董事会任期届 满之日止。 上述任职生效后，董事会中兼任公司高级管理人员以及由职工代表担任的 董事人数总计未超过公司董事总数的二分之一，符合相关法律法规的要求。 特此公告。 上海唯万密封科技股份有限公司董事会 2025 年 9 月 22 日 关于变更董事的公告 本公司及董事会全体 ...

Core Viewpoint - Weiman Sealing (301161.SZ) is currently applying PEEK materials in sealing products for spray machines, adhesive pumps in new energy vehicles, and semiconductor processing equipment, although the sales scale remains small [1] Group 1 - The company is actively validating some of its products in the market [1] - Collaboration with leading industry clients in the robotics sector is ongoing to jointly determine technical solutions [1] - The company commits to timely information disclosure if there are any relevant developments [1]

Core Insights - The company held an earnings briefing on September 19, 2025, to address investor inquiries regarding business progress and market positioning [1][2] Group 1: Business Performance - The company reported steady growth in revenue across major business segments in the first half of 2025, with the engineering machinery sector remaining the largest segment [3] - The company is focusing on the localization progress of high-end materials, particularly in sectors like engineering machinery and oil & gas, although specific data on the localization rate for high-end materials was not disclosed [3] - The revenue contribution from imported substitutes has been increasing, indicating a positive trend in domestic production capabilities [3] Group 2: Customer Relationships and Collaborations - The company is actively collaborating with leading clients in the robotics sealing sector, including Tesla, to develop high-performance sealing solutions [3] - The technical paths, process plans, and product forms for these collaborations are still evolving, with the company emphasizing its technological reserves to support future developments [3]

Group 1: Company Performance and Market Position - The company has seen steady growth in revenue across its main business sectors in the first half of 2025, with the engineering machinery sector remaining the largest contributor [4] - Significant revenue growth has been noted in the oil and gas, general machinery, and industrial automation sectors, indicating a positive trend in market expansion [4] - The company is actively working on domestic substitution in various industries, with specific progress being made in engineering machinery and other sectors [3] Group 2: Product Development and Innovation - The company is focusing on the localization rate of high-end materials, particularly in the high-performance PPDI new material system used in excavators and breakers [2] - Collaboration with leading clients in the robotics sealing sector is ongoing, with the company developing technical solutions and optimizing product forms [5] - The company is committed to deepening partnerships with core clients to enhance technology standards and product solutions in the robotics industry [5] Group 3: Customer Concentration and Revenue Stability - The company has observed changes in customer concentration over recent years, which has positively impacted revenue stability [4] - Continuous collaboration with core customers and the advancement of domestic production processes are expected to further stabilize revenue streams [4]

（文章来源：每日经济新闻） 唯万密封（301161.SZ）9月18日在投资者互动平台表示，广州加士特针对新能源汽车的点胶泵阀的 PEEK材料密封产品开始了小批量的配套测试，尚未形成一定规模，未来发展存在极大的不确定性，如 有相关进展，公司将严格按照相关规定及时履行信息披露义务。 每经AI快讯，有投资者在投资者互动平台提问：请问贵公司的密封产品有用于新能源汽车上吗？如 有，具体用在哪些新能源汽车上，具体应用在车的哪些部件上？ ...

Market Performance - The engineering machinery sector increased by 2.81% on September 17, with Wantong Hydraulic leading the gains [1] - The Shanghai Composite Index closed at 3876.34, up 0.37%, while the Shenzhen Component Index closed at 13215.46, up 1.16% [1] Individual Stock Performance - Wantong Hydraulic (code: 830839) closed at 45.91, up 12.41% with a trading volume of 50,300 shares and a turnover of 221 million yuan [1] - Changling Hydraulic (code: 605389) closed at 53.37, up 10.00% with a trading volume of 27,100 shares [1] - Hangcha Group (code: 603298) closed at 28.85, up 8.09% with a trading volume of 180,100 shares and a turnover of 506 million yuan [1] - Zhonglian Heavy Industry (code: 000157) closed at 7.71, up 4.76% with a trading volume of 2,696,700 shares and a turnover of 2.043 billion yuan [1] Capital Flow Analysis - The engineering machinery sector saw a net inflow of 197 million yuan from institutional investors, while retail investors experienced a net outflow of 75.92 million yuan [2] - The main stocks with significant net inflows included Zhonglian Heavy Industry with 202 million yuan and Zhejiang Dingli with 89.57 million yuan [3] Summary of Stock Movements - The overall performance of the engineering machinery sector indicates a positive trend, with several key players showing substantial gains in both stock price and trading volume [1][2] - The capital flow data suggests a strong interest from institutional investors, contrasting with the outflows from retail investors, indicating a potential shift in market sentiment [2][3]