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]

Investment Rating - The report maintains an "Outperform" rating for the military industry [1] Core Views - The military industry is experiencing a revenue rebound, with significant increases in inventory and contract liabilities. In the first half of 2025, 141 listed companies in the military sector achieved a total revenue of 254.549 billion yuan, a year-on-year increase of 9.3%. However, the net profit attributable to shareholders decreased by 1.1% to 15.526 billion yuan [7][11][13] - The overall inventory of these companies reached 310.839 billion yuan, up 19.8%, while contract liabilities totaled 152.030 billion yuan, increasing by 14.9% [11][13] - The report suggests focusing on specific sub-sectors for investment opportunities, including the aircraft and aero-engine supply chain, missile and unmanned combat equipment, and military trade-related enterprises [17] Summary by Sections Industry Overview - The military industry is showing signs of recovery, with a notable increase in revenue and contract liabilities. The overall gross margin for the industry is 18.7%, which is a slight increase from the previous year [13][16] - The report indicates a shift in industry dynamics, with upstream electronic components benefiting first, followed by downstream core components and equipment [16] Market Performance - In the first two weeks of September 2025, the military sector indices experienced significant adjustments, with the defense and military industry index dropping by 7.90%, underperforming compared to the broader market [18][24] - The report highlights that the military sector's performance was negatively impacted after the "September 3" military parade, leading to a sell-off in military stocks [18][20] Company Dynamics - Notable companies in the sector include: - **博实股份**: Signed a major contract worth approximately 235.1132 million yuan [43] - **埃斯顿**: Became the first domestic robot brand to lead the Chinese industrial robot market with a market share of 10.5% [44] - **融发核电**: Reported a sufficient backlog of orders and is progressing according to production plans [46] - **中航西飞**: Expanding strategic cooperation with Airbus to meet production needs for the A320 series [47] - **晶盛机电**: Achieved domestic production of semiconductor equipment and is advancing global customer validation for silicon carbide substrates [48] Investment Recommendations - The report recommends focusing on ETFs related to the military sector, such as 富国中证军工龙头 ETF and 国泰中证军工 ETF, as potential investment vehicles [2]

Core Viewpoint - The company Weiman Sealing reported that as of September 10, 2025, the number of shareholders is 14,574 [2] Company Summary - Weiman Sealing has engaged with investors through an interactive platform, providing updates on shareholder numbers [2] - The current shareholder count reflects the company's engagement and potential interest from the investment community [2]

Market Overview - On September 15, the engineering machinery sector rose by 0.7% compared to the previous trading day, with Changling Hydraulic leading the gains [1] - The Shanghai Composite Index closed at 3860.5, down 0.26%, while the Shenzhen Component Index closed at 13005.77, up 0.63% [1] Stock Performance - Key stocks in the engineering machinery sector showed varied performance, with notable gainers including: - Changling Hydraulic: Closed at 47.46, up 6.27% with a trading volume of 65,800 shares and a turnover of 310 million yuan [1] - Tuoshan Heavy Industry: Closed at 40.61, up 5.59% with a trading volume of 49,600 shares and a turnover of 197 million yuan [1] - Weiman Sealing: Closed at 38.86, up 5.43% with a trading volume of 128,500 shares and a turnover of 490 million yuan [1] - Conversely, some stocks experienced declines, such as: - Hengli Drill Tools: Closed at 43.37, down 2.76% with a trading volume of 22,600 shares and a turnover of 97.64 million yuan [2] - Fushite: Closed at 27.84, down 2.73% with a trading volume of 24,700 shares and a turnover of 70.44 million yuan [2] Capital Flow - The engineering machinery sector saw a net outflow of 205 million yuan from main funds, while retail investors contributed a net inflow of 266 million yuan [2][3] - Specific stock capital flows indicated: - Liugong: Main funds net inflow of 64.71 million yuan, with retail funds net outflow of 28.77 million yuan [3] - Hengli Hydraulic: Main funds net inflow of 64.11 million yuan, with retail funds net outflow of 28.22 million yuan [3] - Zhonglian Heavy Industry: Main funds net inflow of 58.49 million yuan, with retail funds net outflow of 14.21 million yuan [3]

Core Viewpoint - Weiman Sealing Technology Co., Ltd. has shown a significant increase in stock price and trading volume, indicating positive market sentiment towards the company [1]. Company Overview - Weiman Sealing Technology Co., Ltd. was established on November 19, 2008, and is located in Shanghai, specializing in the research, production, and sales of hydraulic and pneumatic sealing products [1]. - The company went public on September 14, 2022, and currently has a total market capitalization of 4.656 billion yuan [1]. Business Composition - The main revenue sources for Weiman Sealing are as follows: hydraulic seals (37.11%), pump and valve seals (20.77%), other seals (17.29%), hydraulic seal kits (17.18%), non-sealing products (6.76%), and others (0.90%) [1]. Shareholder Information - E Fund's New Silk Road Mixed Fund (001373) is among the top ten circulating shareholders of Weiman Sealing, holding 396,900 shares, which is 0.74% of the circulating shares [2]. - The fund has achieved a year-to-date return of 15.49% and a one-year return of 30.24% [2]. Fund Manager Performance - The fund manager Wang Sinan has been in position for 1 year and 30 days, with a total fund size of 2.787 billion yuan and a best return of 29.64% during his tenure [3]. - Another manager, Qiu Tianlan, has been in position for 301 days, managing a fund size of 3.371 billion yuan, with a best return of 11.95% [3].