中信建投证券股份有限公司 关于上海唯万密封科技股份有限公司 2024 年度内部控制评价报告的核查意见 经核查，独立财务顾问认为：唯万密封现有的内部控制制度符合我国相关法 律、法规和证券监管部门的要求，在所有重大方面保持了与企业业务及管理相关 的有效的内部控制；唯万密封出具的《2024 年度内部控制评价报告》真实、客观 地反映了公司 2024 年度内部控制制度的建设及运行情况。 （以下无正文） 中信建投证券股份有限公司（以下简称"中信建投证券"、"独立财务顾问"） 作为上海唯万密封科技股份有限公司（以下简称"唯万密封"、"上市公司"、"公 司"）重大资产购买（以下简称"本次交易"）的独立财务顾问，根据《深圳证券交 易所股票上市规则》《深圳证券交易所上市公司自律监管指引第 2 号——创业板 上市公司规范运作》等法律、法规的要求，对《上海唯万密封科技股份有限公司 2024 年度内部控制评价报告》（以下简称"《2024 年度内部控制评价报告》"）进 行了审慎核查，核查意见如下： 一、 独立财务顾问核查工作 独立财务顾问采取查阅公司内部控制相关制度、复核公司信息披露文件、抽 查内部控制过程记录文件等方式，结合日常的持续 ...

2、业绩承诺期 中信建投证券股份有限公司 关于上海唯万密封科技股份有限公司 重大资产购买之 2024 年度业绩承诺实现情况的核查意见 中信建投证券作为唯万密封本次重大资产购买的独立财务顾问，依照《重组 管理办法》《上市公司并购重组财务顾问业务管理办法》等有关法律法规的规定， 对唯万密封进行持续督导。本独立财务顾问就唯万密封本次重大资产购买业绩补 偿义务人作出的 2024 年度业绩承诺实现情况进行了核查，并发表核查意见如下： 一、业绩承诺及补偿安排 （一）业绩承诺内容 1、业绩承诺方 各方确认，本协议项下的业绩承诺方为全体股权转让方，即雷元芳、雷波、 李锡元、陈旭、古年年、李厚宁、钟慧芳、黄燕珊、上海垣墨企业管理事务所（普 通合伙）及广州创殷企业管理事务所（有限合伙）。 各方确认，股权转让方向上市公司作出的业绩承诺期为 2024 年度、2025 年 度、2026 年度，如果本次交易未能于 2024 年 12 月 31 日前交割完毕，则业绩承 诺期将相应调整，业绩承诺期为交割后三个完整会计年度（含当年）。 3、业绩承诺指标 根据《评估报告》，各方确认业绩承诺指标参照收益法评估中的净利润数经 交易双方协商确定，如交 ...

中信建投证券股份有限公司 关于 上海唯万密封科技股份有限公司 2024 年度持续督导意见 独立财务顾问 二〇二五年五月 独立财务顾问声明 本督导意见所依据的文件、书面资料、业务经营数据等由上市公司及相关当 事人提供并对其真实性、准确性和完整性承担全部责任。本独立财务顾问对本次 督导所发表意见的真实性、准确性和完整性负责。 重大资产购买 之 中信建投证券股份有限公司接受委托，担任上海唯万密封科技股份有限公司 重大资产购买的独立财务顾问。 本持续督导意见是根据《公司法》《证券法》《重组管理办法》《上市公司并 购重组财务顾问业务管理办法》等法律、法规的有关规定，按照证券行业公认的 业务标准、道德规范和诚实信用、勤勉尽责精神，遵循客观、公正原则，在认真 审阅相关资料和充分了解本次交易实施情况的基础上，发表的独立财务顾问持续 督导意见。 本持续督导意见不构成对上市公司的任何投资建议。投资者根据本持续督导 意见所做出的投资决策而产生的相应风险，本独立财务顾问不承担任何责任。本 独立财务顾问未委托或授权其他任何机构或个人提供未在本报告中所列载的信 息和对本报告做任何解释或说明。 本独立财务顾问提请投资者认真阅读上市公司发布 ...

证券代码：301161 证券简称：唯万密封 公告编号：2025-033 上海唯万密封科技股份有限公司 关于 2024 年度重大资产购买之 2024 年度 业绩承诺实现情况的说明的公告 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。 根据《上市公司重大资产重组管理办法》的有关规定以及上海唯万密封科技 股份有限公司（以下简称"上市公司"或"本公司"）与雷元芳、雷波、李锡元、 陈旭、古年年、李厚宁、钟慧芳、黄燕珊、上海垣墨企业管理事务所（普通合伙）、 广州创殷企业管理事务所（有限合伙）（以上合计简称"股权转让方"）签署的 《上海唯万密封科技股份有限公司现金购买资产协议》（以下简称"《现金购买 资产协议》"）《关于上海嘉诺密封技术有限公司之业绩补偿协议》（以下简称 "《业绩补偿协议》"）《业绩补偿协议的补充协议》，本公司编制了本说明。 一、资产购买的基本情况 1、交易概况 本公司与股权转让方签订《现金购买资产协议》、《业绩补偿协议》和《业 绩补偿协议的补充协议》，按照本公司现金购买资产方案：本公司以现金支付的 方式人民币 21,267 万元收购股权转让方持有的上海嘉诺 ...

Group 1: Business Strategy and Market Position - The company focuses on enhancing product quality while expanding its market share through acquisitions and partnerships with high-quality material technology firms [2][3] - Over 93% of the company's main revenue comes from domestic engineering machinery manufacturers, with only 7% from overseas sales [6] - The company is actively exploring opportunities in the new energy vehicle sector and will disclose relevant developments in due course [4] Group 2: Financial Performance and Projections - In 2024, the net increase in cash and cash equivalents was -92,718,573.88 CNY, a decrease of 277% year-on-year, primarily due to a significant asset restructuring [4] - The company anticipates potential fluctuations in performance due to macroeconomic conditions and industry cycles, while emphasizing the importance of material research and product quality [4][5] - A cash dividend is planned for the 2024 fiscal year, reflecting a strong capital reserve and retained earnings [6] Group 3: Product Development and Innovation - The company is developing perfluoroether rubber seals for semiconductor equipment, with ongoing testing and validation processes [5] - Current products have achieved domestic substitution in certain applications, such as excavators and oil and gas extraction equipment, competing with international brands [6] - There are plans to explore the humanoid robot market, although no current products are specifically designed for this sector [6][7]

Core Viewpoint - The company is focusing on expanding its market share while enhancing product quality and developing new materials to meet diverse customer needs in the sealing component industry [1][3]. Group 1: Business Strategy - The company plans to improve its material system and product development capabilities while pursuing acquisitions of high-quality enterprises in the material technology sector [1]. - The company aims to enhance product quality and optimize existing materials to cater to personalized demands across various fields [1]. Group 2: Financial Performance - In 2024, the company's net increase in cash and cash equivalents was -92,718,573.88 yuan, a decrease of 277.00% year-on-year, primarily due to a significant asset restructuring [2]. - The company anticipates potential fluctuations in performance due to macroeconomic conditions and industry cycles, while emphasizing the importance of material research and product quality [3]. Group 3: Market Position and Competition - The company is positioned relatively well in the domestic market, with major competitors including international firms like NOK, Parker Hannifin, and Trelleborg [4]. - The company has achieved domestic substitution for some products in specific applications, such as excavators and oil and gas extraction equipment [5]. Group 4: International Expansion - The company is actively expanding its overseas business through collaborations with international clients and direct supply to foreign customers, primarily in the oil and gas and construction machinery sectors [5]. - The impact of global trade tariff disputes on the company's product sales is limited due to the small proportion of international business [5]. Group 5: Research and Development - The company is exploring the feasibility of entering the humanoid robot market and has plans for potential collaborations in developing low-friction, long-life sealing components [6]. - Currently, the company's products do not yet serve the humanoid robot sector, but there is recognition of the market potential [6].

国信证券股份有限公司 关于上海唯万密封科技股份有限公司 2024年度持续督导跟踪报告 | 保荐人名称：国信证券股份有限公司 | 被保荐公司简称：唯万密封 | | --- | --- | | 保荐代表人姓名：柳志强 | 联系电话：021-60933135 | | 保荐代表人姓名：王盼 | 联系电话：021-60871328 | 一、保荐工作概述 | 项目 | 工作内容 | | | | --- | --- | --- | --- | | 1.公司信息披露审阅情况 | | | | | （1）是否及时审阅公司信息披露文件 | 是 | | | | （2）未及时审阅公司信息披露文件的次数 | 0 次 | | | | 2.督导公司建立健全并有效执行规章制度的情况 | | | | | （1）是否督导公司建立健全规章制度（包括但 不限于防止关联方占用公司资源的制度、募集 | 是 | | | | 资金管理制度、内控制度、内部审计制度、关 | | | | | 联交易制度） | | | | | （2）公司是否有效执行相关规章制度 | 是 | | | | 3.募集资金监督情况 | | | | | （1）查询公司募集资金专户次数 | 1 ...

Core Viewpoint - The company, Weiman Sealing, demonstrated significant performance growth in Q1 2025, with notable increases in revenue and profit metrics [2][7]. Operational Overview - The total operating revenue reached 181 million yuan, a year-on-year increase of 26.92% - The net profit attributable to shareholders was 24.77 million yuan, up 33.48% year-on-year - The net profit after deducting non-recurring items was 22.83 million yuan, reflecting a 54.62% year-on-year increase [2]. Profitability Analysis - The gross profit margin stood at 42.6%, an increase of 17.35 percentage points year-on-year - The net profit margin was 18.01%, up 21.18 percentage points year-on-year, indicating improved cost control and product value enhancement [3]. Expense Control and Cash Flow - Total operating expenses (selling, administrative, and financial expenses) amounted to 30.26 million yuan, accounting for 16.69% of revenue, an increase of 4.14 percentage points year-on-year - Operating cash flow per share was 0.22 yuan, a substantial increase of 236.82% year-on-year, indicating improved cash flow from operations [4]. Asset and Liability Situation - Cash and cash equivalents were 305 million yuan, a decrease of 5.60% year-on-year - Accounts receivable reached 438 million yuan, a year-on-year increase of 2.14% - Interest-bearing liabilities were 32.54 million yuan, a significant decrease of 72.33% year-on-year - The ratio of accounts receivable to profit was as high as 824.66%, suggesting potential concerns regarding receivables collection risk [5]. Financing and Dividends - Since its listing, the company has raised a total of 560 million yuan and distributed dividends totaling 27.60 million yuan, resulting in a dividend-to-financing ratio of only 0.05, indicating a reliance on equity financing for growth and a low dividend payout [6]. Business Model - The company's performance is primarily driven by equity financing and marketing efforts, which facilitate rapid business expansion but require careful assessment of sustainability and potential risks [7].

Core Viewpoint - Weiman Sealing (唯万密封) reported significant growth in revenue and net profit for the year 2024, driven by active industry application expansion, cost reduction, efficiency improvement, and technological innovation across various business sectors [1][2]. Group 1: Financial Performance - The company achieved a revenue of 716 million yuan, representing a year-on-year increase of 97.02% [1]. - The net profit attributable to shareholders was 53.17 million yuan, reflecting a year-on-year growth of 43.35% [1]. Group 2: Business Segments - In the engineering machinery sealing market, the company launched new high-performance products, resulting in sales revenue of 407.29 million yuan, up 62.19% year-on-year [1]. - The coal mining machinery sealing market saw improvements in product performance and production efficiency, with the company supplying a complete sealing package for a world-first 10-meter high intelligent hydraulic support sealing system [1]. - The agricultural machinery sealing market generated sales revenue of 24.81 million yuan, a 43.09% increase year-on-year, with successful entries into major tractor manufacturers' supply chains [2]. - In the pneumatic and automation sealing sector, sales revenue reached 14.43 million yuan, growing by 14.09% year-on-year, with enhanced production processes and partnerships with leading companies [2]. - The oil and gas sealing sector achieved sales revenue of 124.25 million yuan, with products used widely in domestic and international markets [2]. - The general industrial sealing segment introduced new specialty engineering plastic sealing products, becoming a leading supplier in the domestic market [2]. Group 3: Company Overview - Weiman Sealing specializes in the research, production, and sales of hydraulic and pneumatic sealing products, with applications across engineering machinery, coal mining machinery, agricultural machinery, and industrial automation [3].

证券代码：301161 证券简称：唯万密封 公告编号：2025-032 更正前： 一、主要财务数据 （一） 主要会计数据和财务指标 上海唯万密封科技股份有限公司 关于 2025 年第一季度报告的更正公告 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。 上海唯万密封科技股份有限公司（以下简称"公司"）于 2025 年 4 月 29 日 在巨潮资讯网（http://www.cninfo.com.cn）上披露《2025 年第一季度报告》（公 告编号：2025-016）。经事后审查，公司发现披露的《2025 年第一季度报告》中 "一、主要财务数据之（一）主要会计数据和财务指标中上年度末的归属于上市 公司股东的所有者权益"数据有误、"一、主要财务数据之（三）主要会计数据 和财务指标发生变动的情况及原因之现金流量表项目"的非财务部分内容有误， 现对该部分内容予以更正，相关内容如下： 公司是否需追溯调整或重述以前年度会计数据 □是 否 | | 本报告期 | 上年同期 | 本报告期比上年同 | | --- | --- | --- | --- | | | | | 期增减（%） ...