本次会计估计变更于 2025 年 10 月 1 日起执行。 本议案已经过董事会审议通过，无需提交公司股东会审议 证券代码：603681 证券简称：永冠新材 公告编号：2025-098 转债代码：113653 转债简称：永22转债 上海永冠众诚新材料科技（集团）股份有限公司 关于固定资产折旧年限会计估计变更的公告 本公司董事会及全体董事保证本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、准确性和完整性承担法律责任。 重要内容提示： 根据《企业会计准则第 28 号—会计政策、会计估计变更和差错更正》 的相关规定，上海永冠众诚新材料科技（集团）股份有限公司（以下简称"公 司"或"永冠新材"）对于本次会计估计变更事项采用未来适用法，无需对 公司已披露的财务报表进行追溯调整，对以往各年度财务状况和经营成果不 会产生影响。 经测算，本次会计估计变更后，预计公司 2025 年度固定资产折旧费用将 减少 230.33 万元，利润总额将增加 81.12 万元、存货将减少 149.21 万元（以 上数据未经审计，最终影响数据以 2025 年度审计报告为准）。 一、本次固定资产折旧年限会计估计变更情况概 ...

以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成投资建议。 从资金流向上来看，当日化学制品板块主力资金净流出3.5亿元，游资资金净流入3.52亿元，散户资金净 流出169.64万元。化学制品板块个股资金流向见下表： 证券之星消息，12月10日化学制品板块较上一交易日上涨0.02%，永冠新材领涨。当日上证指数报收于 3900.5，下跌0.23%。深证成指报收于13316.42，上涨0.29%。化学制品板块个股涨跌见下表： ...

Group 1 - The core transaction of Yongguan New Materials on December 3 involved a block trade of 1.0475 million shares, amounting to 19.6616 million yuan, with a transaction price of 18.77 yuan, representing a premium of 7.50% over the closing price of the day [2][3] - The closing price of Yongguan New Materials on the same day was 17.46 yuan, reflecting an increase of 0.40%, with a turnover rate of 1.08% and a total trading volume of 36.0909 million yuan [2][3] - Over the past five days, the stock has seen a cumulative increase of 1.45%, while the net outflow of funds during this period totaled 8.6572 million yuan [2] Group 2 - The latest margin financing balance for Yongguan New Materials is 198 million yuan, which has decreased by 3.261 million yuan over the past five days, representing a decline of 1.62% [3]

| 交易日期 | | 证券代码 --- | 成交价(元) 成交盒额[万元) 成交量(*) 买入营业部 | | 卖出营业部 | 是否为专场 | | --- | --- | --- | --- | --- | --- | --- | | 2025-12-03 | 永冠新材 | 603681 | 18.77 1966.16 | 04.75 四国语秀贸贸易限 | 表高至氢劈纹高圆 | 180 | 12月3日，永冠新材大宗交易成交104.75万股，成交额1966.16万元，占当日总成交额的35.27%，成交价 18.77元，较市场收盘价17.46元溢价7.5%。 ...

证券代码：603681 证券简称：永冠新材 公告编号：2025-097 转债代码：113653 转债简称：永 22 转债 上海永冠众诚新材料科技（集团）股份有限公司 具体内容详见公司于 2025 年 6 月 30 日在指定信息披露媒体披露的《上海永 冠众诚新材料科技（集团）股份有限公司关于 2024 年年度权益分派后调整回购股 份价格上限的公告》（公告编号：2025-049）。 关于股份回购进展公告 本公司董事会及全体董事保证本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、准确性和完整性承担法律责任。 重要内容提示： | 回购方案首次披露日 | 2025/4/17，由董事长提议 | | | | | | | --- | --- | --- | --- | --- | --- | --- | | 回购方案实施期限 | 2025 年 4 4 月 15 | 月 | 16 | 日~2026 | 年 | 日 | | 预计回购金额 | 3,000万元~5,000万元 | | | | | | | 回购用途 | □减少注册资本 √用于员工持股计划或股权激励 □用于转换公司可转债 | | | | | ...

Company Summary - Yongguan New Materials (SH 603681) announced on December 1 that as of November 30, 2025, it has repurchased a total of 1.5258 million shares through centralized bidding, accounting for 0.798% of the company's total share capital [1] - The highest purchase price was 18.7 CNY per share, while the lowest was 12.2 CNY per share, with a total expenditure of approximately 25.1179 million CNY [1] - As of the report, Yongguan New Materials has a market capitalization of 3.4 billion CNY [1] Revenue Composition - For the year 2024, the revenue composition of Yongguan New Materials is as follows: Industrial sector accounts for 98.95%, while other businesses contribute 1.05% [1]

Core Viewpoint - The company has announced the cancellation of a total of 764,000 stock options from its 2021 stock option incentive plan due to non-exercise within the designated period [1] Summary by Relevant Sections - **Stock Option Cancellation** - The company approved the cancellation of 690,000 stock options from the initial grant and 74,000 stock options from the reserved grant, totaling 764,000 stock options [1] - **Regulatory Submission** - The company submitted the cancellation application to the Shanghai branch of China Securities Depository and Clearing Corporation Limited, which has confirmed the completion of the cancellation process on November 26, 2025 [1] - **Incentive Plan Status** - Following the cancellation of the stock options, the implementation of the incentive plan is now considered complete [1]

证券代码：603681 证券简称：永冠新材 公告编号：2025-096 转债代码：113653 转债简称：永22转债 本次注销部分股票期权事项完成后本次激励计划实施完毕。 特此公告。 上海永冠众诚新材料科技（集团）股份有限公司董事会 二〇二五年十一月二十七日 1 上海永冠众诚新材料科技（集团）股份有限公司 关于 2021 年股票期权激励计划部分股票期权注销完 成的公告 本公司董事会及全体董事保证本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、准确性和完整性承担法律责任。 上海永冠众诚新材料科技（集团）股份有限公司（以下简称"公司"）于 2025 年 11 月 20 日召开第四届董事会第二十六次会议审议通过了《关于注销 2021 年 股票期权激励计划部分股票期权的议案》：同意注销 2021 年股票期权激励计划因 首次授予和预留授予第三个行权期满未申请行权的首次授予股票期权数量 690,000 份，预留授予的股票期权数量 74,000 份，合计注销 764,000 份。董事 会薪酬与考核委员会对此事项进行审核并发表了同意意见。具体内容详见公司于 2025 年 11 月 21 日在指定信 ...

Industry Overview - Aluminum foil tape is a composite tape made from aluminum foil as the substrate, coated with high-performance pressure-sensitive adhesives such as acrylic or rubber. Its core features include high temperature resistance, corrosion resistance, strong conductivity, and excellent sealing and shielding properties [1][2][5] - The aluminum foil tape industry chain consists of upstream raw materials (aluminum foil, pressure-sensitive adhesives, release paper), midstream production, and downstream applications across various sectors including construction, automotive, packaging, consumer electronics, rail transportation, and new energy [1][5][6] Market Performance - In 2023, China's aluminum foil tape sales volume exceeded 400 million square meters, with a projected increase to 420 million square meters in 2024, representing a small market share of 0.97% of total adhesive tape sales [1][10] - The sales revenue for aluminum foil tape in China is expected to reach 3 billion yuan in 2024, reflecting a year-on-year growth of 7.1% from 2023, and accounting for 4.1% of total adhesive tape sales revenue, which is higher than its sales volume share [1][11] Pricing Trends - From 2020 to 2024, the average selling price of aluminum foil tape in China has remained stable, ranging from 7.0 yuan/square meter to 7.5 yuan/square meter. The average price for 2024 is projected to be 7.14 yuan/square meter, significantly higher than the overall adhesive tape average price of 1.68 yuan/square meter, indicating a higher added value [1][12] Competitive Landscape - The domestic aluminum foil tape manufacturing sector is characterized by a large number of dispersed companies, including foreign firms like 3M and local companies such as Bont Technology, Meiyuan Industrial, and Yongguan New Materials. The market is highly competitive, with a growing emphasis on product R&D and customized solutions [1][12] - Bont Technology has emerged as a significant player, holding a market share of 12.6% in 2024, an increase of 0.9 percentage points from 2023, driven by its technological capabilities and strategic insights [1][13] Future Trends - The aluminum foil tape industry is expected to expand beyond traditional applications in packaging and construction, with increasing use in sectors such as new energy vehicles, 5G communications, and healthcare. Companies will focus on enhancing technological R&D, improving product quality, and participating in international market competition [1][14] - The industry is likely to see accelerated consolidation, with leading companies expanding market share through mergers and technological upgrades, resulting in increased market concentration [1][14]

Summary of Key Points Core Viewpoint - Yongguan New Materials (603681.SH) has actively engaged in share repurchase, indicating a commitment to enhancing shareholder value through capital management strategies [1] Group 1: Share Repurchase Details - As of November 21, 2025, the company has repurchased a total of 160,000 shares through centralized bidding, which represents 0.084% of the total share capital, with a maximum purchase price of 17.88 CNY per share and a minimum of 17.00 CNY per share, totaling 2.795250 million CNY (excluding transaction fees) [1] - Cumulatively, the company has repurchased 1,525,800 shares, accounting for 0.798% of the current total share capital, with a maximum purchase price of 18.70 CNY per share and a minimum of 12.20 CNY per share, amounting to a total expenditure of 25.117891 million CNY (excluding transaction fees) [1]