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 使用部分闲置自有资金进行现金管理的核查意见 国信证券股份有限公司（以下简称"国信证券"）作为上海唯万密封科技股 份有限公司（以下简称"唯万密封"或"公司"）首次公开发行股票并在创业板 上市的保荐人，根据《证券发行上市保荐业务管理办法（2025 年修正）》《上市 公司募集资金监管规则》《深圳证券交易所创业板股票上市规则（2025 年修订）》 《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 （2025 年修订）》等相关规定，对唯万密封本次使用部分闲置自有资金进行现金 管理的事项发表核查意见如下： 一、本次使用部分闲置自有资金进行现金管理的基本情况 （一）投资目的 在不影响公司正常生产经营的前提下，合理利用闲置自有资金进行现金管理， 可以提高资金使用效率，增加公司收益，为公司股东谋取更多的投资回报。 （二）投资额度及期限 公司在授权期限内使用合计总额不超过 20,000 万元（含本数）的闲置自有 资金进行现金管理，使用期限自本次董事会审议通过之日起 12 个月内，在上述 额度和期限范围内，资金可循环使用。 公司分别于 2024 年 1 ...

唯万密封公告，第三季度营收为1.86亿元，同比增长0.67%；净利润为2176.79万元，同比增长94.06%。 前三季度营收为5.72亿元，同比增长10.68%；净利润为6979.1万元，同比增长38.54%。 ...

Financial Performance - The company's revenue for Q3 2025 was ¥186,280,004.34, representing a 0.67% increase year-over-year, while the year-to-date revenue reached ¥571,797,884.92, up 10.68% compared to the same period last year[5] - Net profit attributable to shareholders for Q3 2025 was ¥21,767,863.48, a significant increase of 94.06% year-over-year, with a year-to-date net profit of ¥69,790,990.36, up 38.54%[5] - The basic earnings per share for Q3 2025 was ¥0.1814, reflecting a 94.01% increase compared to the same period last year, while the diluted earnings per share also stood at ¥0.1814[5] - Total operating revenue increased to ¥571,797,884.92, up from ¥516,603,343.70, representing a growth of approximately 10.5% year-over-year[21] - Net profit for the period reached ¥86,109,617.24, a significant increase from ¥69,231,397.43, marking a growth of approximately 24.4% year-over-year[22] - Total comprehensive income reached ¥86,075,792.03, up from ¥69,150,905.23, representing a growth of approximately 24.4% year-over-year[23] - Net income attributable to the parent company was ¥69,757,165.15, compared to ¥50,309,920.17 in the previous period, indicating a year-over-year increase of about 38.5%[23] - Basic and diluted earnings per share increased to ¥0.5816 from ¥0.4198, reflecting a growth of approximately 38.5%[23] Cash Flow - Cash flow from operating activities for the year-to-date period reached ¥94,289,089.17, showing a remarkable increase of 444.51%[5] - Cash flow from operating activities generated ¥451,506,897.32, an increase from ¥392,128,810.85, representing a growth of about 15.1%[23] - Net cash flow from operating activities was ¥94,289,089.17, significantly up from ¥17,316,454.39, marking an increase of approximately 445.5%[23] - Cash flow from investing activities was positive at ¥10,219,853.63, a turnaround from a negative cash flow of -¥165,897,817.48 in the previous period[24] - Cash flow from financing activities resulted in a net outflow of -¥275,042,515.97, compared to a net inflow of ¥55,436,247.80 previously[24] Assets and Liabilities - The company's total assets as of September 30, 2025, were ¥1,247,575,596.09, a decrease of 12.96% from the end of the previous year[5] - The company's total assets decreased to ¥1,247,575,596.09 from ¥1,433,301,737.70, indicating a reduction of about 12.9%[19] - Total liabilities remained relatively stable at ¥325,992,421.14, slightly up from ¥325,939,584.95[19] - The company’s total equity attributable to shareholders decreased by 5.82% to ¥921,583,174.95 compared to the end of the previous year[5] - The equity attributable to shareholders decreased to ¥921,583,174.95 from ¥978,503,381.56, a decline of approximately 5.8%[19] Shareholder Information - Total number of common shareholders at the end of the reporting period is 12,406[12] - The largest shareholder, Dong Jing, holds 35.33% of shares, totaling 42,399,000 shares[12] - The number of restricted shares held by Dong Jing decreased from 42,399,000 to 31,799,250 after the release of 10,599,750 shares[16] - The company has a total of 66,672,000 restricted shares at the beginning of the period, with 23,870,250 shares released during the period[16] Expenses - Total operating costs rose to ¥473,891,125.21, compared to ¥435,814,385.71, reflecting an increase of about 8.7% year-over-year[21] - Research and development expenses increased to ¥31,311,664.00, compared to ¥28,953,156.11, reflecting a growth of about 7.9% year-over-year[21] - The company reported a decrease in financial expenses, with interest expenses at ¥594,226.23, down from ¥2,377,400.68[21] Other Financial Metrics - The company reported a 66.54% decrease in investment income for the year-to-date period, totaling ¥231,421.85, primarily due to a reduction in newly purchased and held financial products[9] - The cash and cash equivalents decreased by 58.28% to ¥127,897,870.84, mainly due to the acquisition of remaining equity in a subsidiary during the reporting period[9] - The ending cash and cash equivalents balance was ¥122,774,163.47, down from ¥343,541,503.38, indicating a decrease of approximately 64.3%[24] - The company received cash from sales of goods and services totaling ¥444,006,821.29, compared to ¥376,805,295.71 in the prior period, reflecting an increase of about 17.8%[23] Audit Information - The company did not undergo an audit for the third quarter financial report[25]

上海唯万密封科技股份有限公司 董事、高级管理人员离职管理制度 二〇二五年十月 上海唯万密封科技股份有限公司 董事、高级管理人员离职管理制度 上海唯万密封科技股份有限公司 董事、高级管理人员离职管理制度 第一章 总则 第一条 为进一步规范上海唯万密封科技股份有限公司（以下简称"公司"）董 事、高级管理人员的离职程序，确保公司治理结构的稳定性和连续性，维护公司及 股东的合法权益，根据《中华人民共和国公司法》（以下简称"《公司法》"）、 《中华人民共和国证券法》（以下简称"《证券法》"）、《上市公司章程指引》 《上市公司治理准则》《深圳证券交易所创业板股票上市规则》《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》（以下简称"《规范 运作指引》"）等法律法规和规范性文件或制度及《上海唯万密封科技股份有限公 司章程》（以下简称"《公司章程》"）的有关规定，制定本制度。 上海唯万密封科技股份有限公司 董事、高级管理人员离职管理制度 （三）独立董事辞职导致公司董事会或者其专门委员会中独立董事所占比例不 符合法律法规或者《公司章程》的规定，或者独立董事中欠缺会计专业人士； （四）董事会秘书辞职未完 ...

上海唯万密封科技股份有限公司 信息披露暂缓与豁免管理制度 上海唯万密封科技股份有限公司 信息披露暂缓与豁免管理制度 二〇二五年十月 上海唯万密封科技股份有限公司 信息披露暂缓与豁免管理制度 上海唯万密封科技股份有限公司 信息披露暂缓与豁免管理制度 第一章 总则 第一条 为规范上海唯万密封科技股份有限公司（以下简称"公司"）信息披露 暂缓与豁免行为，加强信息披露监管，督促公司及相关信息披露义务人依法合规地 履行信息披露义务，维护公司及投资者的合法权益，根据《中华人民共和国公司法》 《中华人民共和国证券法》《上市公司信息披露暂缓与豁免管理规定》《上市公司 信息披露管理办法》《上市公司章程指引》《深圳证券交易所创业板股票上市规则》 《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 相关法律法规、规章以及《上海唯万密封科技股份有限公司章程》（以下简称"《公 司章程》"），制定本制度。 第二条 公司和其他信息披露义务人暂缓、豁免披露临时报告，在定期报告、临 时报告中豁免披露中国证券监督管理委员会（以下简称"中国证监会"）和深圳证 券交易所规定或者要求披露的内容，适用本制度。 第三条 本制度适 ...

Core Points - The engineering machinery sector experienced a decline of 1.49% on October 23, with Tietuo Machinery leading the drop [1] - The Shanghai Composite Index closed at 3922.41, up 0.22%, while the Shenzhen Component Index closed at 13025.45, also up 0.22% [1] Sector Performance - The following companies showed notable performance: - Weiman Sealing (Code: 301161) increased by 4.93% with a closing price of 39.77 and a trading volume of 153,800 shares [1] - Southern Road Machinery (Code: 603280) rose by 1.88% to 42.25 with a trading volume of 149,900 shares [1] - Huadong Heavy Machinery (Code: 002685) saw a slight increase of 0.79% to 7.62 with a trading volume of 177,200 shares [1] - Conversely, Tietuo Machinery (Code: 920706) fell by 13.57% to 24.71 with a trading volume of 136,700 shares [2] - Other significant declines included: - Hengli Drill Tools (Code: 920942) down 10.57% to 41.69 [2] - Construction Machinery (Code: 600984) down 8.70% to 4.20 [2] Capital Flow - The engineering machinery sector saw a net outflow of 882 million yuan from institutional investors, while retail investors contributed a net inflow of 849 million yuan [2][3] - The following companies had notable capital flows: - Huadong Heavy Machinery had a net inflow of 8.05 million yuan from institutional investors [3] - Anhui Heli (Code: 600761) experienced a net outflow of 1.91 million yuan from institutional investors [3] - Tietuo Machinery had a significant net outflow of 13.67 million yuan from institutional investors [3]

Core Viewpoint - The engineering machinery sector experienced a rise of 0.76% on October 22, with Tietuo Machinery leading the gains, while the overall market indices showed slight declines [1] Group 1: Market Performance - The Shanghai Composite Index closed at 3913.76, down 0.07% [1] - The Shenzhen Component Index closed at 12996.61, down 0.62% [1] Group 2: Individual Stock Performance - Tietuo Machinery (code: 920706) closed at 28.59, up 14.50% with a trading volume of 190,200 shares and a transaction value of 579 million yuan [1] - Fushite (code: 301446) closed at 35.62, up 12.05% with a trading volume of 93,200 shares [1] - Construction Machinery (code: 600984) closed at 4.60, up 10.05% with a trading volume of 1,259,000 shares and a transaction value of 574 million yuan [1] - Southern Road Machinery (code: 603280) closed at 41.47, up 10.00% with a trading volume of 84,700 shares [1] - Weiman Sealing (code: 301161) closed at 37.90, up 8.22% with a trading volume of 134,000 shares [1] - Wuxin Tunnel Equipment (code: 920174) closed at 61.16, up 6.66% with a trading volume of 103,400 shares [1] - Shanhe Intelligent (code: 002097) closed at 14.70, up 6.44% with a trading volume of 2,601,700 shares and a transaction value of 3.827 billion yuan [1] - Zhongli Co., Ltd. (code: 603194) closed at 41.08, up 4.03% with a trading volume of 57,300 shares [1] - Zhongji United (code: 605305) closed at 38.24, up 3.46% with a trading volume of 89,000 shares [1] - Tongli Co., Ltd. (code: 66500ZG6) closed at 20.50, up 3.38% with a trading volume of 133,400 shares [1] Group 3: Capital Flow - The engineering machinery sector saw a net outflow of 248 million yuan from main funds, while retail funds experienced a net inflow of 308 million yuan, and a net outflow of 6.009 million yuan from individual investors [1]

格隆汇10月14日丨唯万密封(301161.SZ)在投资者互动平台表示，公司正在与智元、宇树公司的供应商 对接中，目前没有与智元、宇树公司直接合作。 ...

Core Viewpoint - Weiman Sealing (301161.SZ) primarily applies its sealing products in six major industries: construction machinery, oil and gas, general machinery, industrial automation, coal mining machinery, and agricultural machinery [1] Industry Applications - The company's sealing products also extend to other sectors, including semiconductors, robotics, clean energy, and textile machinery [1]

格隆汇10月14日丨唯万密封(301161.SZ)在投资者互动平台表示，公司正在与智元、宇树公司的供应商 对接中，目前没有与智元、宇树公司直接合作。 ...