证券代码：300321 证券简称：同大股份 公告编号：2025-044 山东同大海岛新材料股份有限公司 2025 年第一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的内容真实、准确、完整，没有虚 假记载、误导性陈述或重大遗漏。 特别提示: 1、本次股东大会未出现否决议案的情形； 2、本次股东大会不涉及变更前次股东大会决议的情形。 一、会议召开和出席情况 山东同大海岛新材料股份有限公司（以下简称"公司"）2025 年第一次临时 股东大会于 2025 年 10 月 22 日（星期三）14:00 在公司二楼会议室（山东省昌 邑市同大街 522 号）召开，会议采用现场表决和网络投票相结合的方式。本次会 议由公司董事会召集，董事长寇相东先生主持，本次会议符合《中华人民共和国 公司法》等有关法律、行政法规、部门规章、规范性文件和公司章程的规定。 股东出席的总体情况： 通过现场和网络投票的股东 38 人，代表股份 38,994,339 股，占公司有表决 权股份总数的 43.9125％。 公司董事、监事、高级管理人员及公司聘请的北京市通商律师事务所律师出 席、列席了本次会议。 二、议案审议表决情况 本次股东大会 ...

中国北京市建国门外大街 1 号国贸写字楼 2 座 12-15 层 100004 12-15th Floor, China World Office 2, No.1 Jianguomenwai Avenue, Beijing 100004, China 电话 Tel: +86 10 6563 7181 传真 Fax: +86 10 6569 3838 电邮 Email: beijing@tongshang.com 网址 Web: www.tongshang.com 北京市通商律师事务所 关于山东同大海岛新材料股份有限公司 2025 年第一次临时股东大会的 法律意见书 致：山东同大海岛新材料股份有限公司 根据《中华人民共和国律师法》《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》《上市公司股东会规则》（以下简称"《股 东会规则》"）《深圳证券交易所上市公司股东大会网络投票实施细则》（以下 简称"《网络投票实施细则》"）等法律、法规和规范性文件以及《山东同大海 岛新材料股份有限公司章程》（以下简称"《公司章程》"）的规定，北京市通 商律师事务所（以下简称"本所"）接受山东同大海岛新材料股 ...

表决情况：同意 9 票，反对 0 票，弃权 0 票。表决结果：通过。 本议案已经董事会审计委员会审议通过。 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记载、 误导性陈述或重大遗漏。 山东同大海岛新材料股份有限公司（以下简称"公司"）第六届董事会第十 四次会议于 2025 年 10 月 22 日在公司会议室以现场方式召开，会议通知以书面 及电子邮件方式于 2025 年 10 月 17 日发出。会议应到董事 9 人，实到董事 9 人， 公司高管列席了会议。本次会议由董事长寇相东先生主持，会议的召集、召开程 序符合《公司法》及《公司章程》的相关规定。 经与会董事讨论审议，本次会议形成如下决议： 审议通过《关于公司<2025 年第三季度报告>的议案》 公司《2025 年第三季度报告》的编制和审核符合法律法规和相关制度的有 关规定，报告内容真实、准确、完整的反映了上市公司的财务状况、经营成果， 不存在虚假记载、误导性陈述或重大遗漏。《2025 年第三季度报告》于 2025 年 10 月 23 日披露于巨潮资讯网（www.cninfo.com.cn）。 证券代码：300321 证券简称：同大股份 ...

Financial Performance - The company's revenue for Q3 2025 reached ¥98,157,774.87, representing a year-on-year increase of 16.56%[4] - Net profit attributable to shareholders was ¥2,642,736.91, up 13.01% compared to the same period last year[4] - The net profit excluding non-recurring gains and losses was ¥2,455,643.54, an increase of 30.60% year-on-year[4] - Total operating revenue for the period reached ¥293,435,063.47, an increase of 6.0% compared to ¥276,782,336.74 in the previous period[20] - The net profit for the current period is 11,028,066.24, a decrease of 3.81% compared to 11,464,131.61 in the previous period[22] - The operating profit for the current period is 11,793,963.23, slightly up from 11,558,231.41 in the previous period, indicating a growth of 2.03%[21] - The total revenue from operating activities is 204,148,886.07, compared to 207,481,201.00 in the previous period, reflecting a decrease of 1.12%[24] Assets and Liabilities - Total assets at the end of the reporting period were ¥677,804,210.10, a decrease of 0.82% from the end of the previous year[4] - Total assets as of September 30, 2025, were ¥677,804,210.10, down from ¥683,376,139.16, a decrease of 0.8%[16] - Total liabilities decreased to ¥44,048,193.72 from ¥56,829,790.22, a reduction of 22.5%[18] - The company's equity attributable to shareholders increased to ¥633,756,016.38 from ¥626,546,348.94, an increase of 1.9%[18] Cash Flow - The company's cash flow from operating activities showed a net outflow of ¥12,633,661.71, which is a 7.63% increase in outflow compared to the previous year[4] - The cash flow from operating activities shows a net outflow of -12,633,661.71, an improvement from -13,676,896.91 in the previous period[24] - The cash and cash equivalents decreased to ¥187,813,817.72 from ¥207,539,725.16, a decline of 9.0%[16] - The cash and cash equivalents at the end of the period stand at 187,813,817.72, a decrease from 190,791,850.56 in the previous period[25] - The total cash outflow from investing activities is -2,030,874.81, significantly less than -30,054,364.16 in the previous period, showing a reduction in cash outflow[25] Expenses - The company reported a 49.77% increase in financial expenses compared to the same period last year, primarily due to a decrease in interest income[9] - Research and development expenses increased to 12,173,824.16, up from 11,448,783.65, marking a rise of 6.35%[21] - The total tax expenses for the current period are 756,686.17, a significant increase from 30,982.85 in the previous period[21] - The financial expenses have improved, showing a net income of -1,997,390.37 compared to -3,976,393.57 in the previous period[21] Shareholder Information - The number of ordinary shareholders at the end of the reporting period was 5,273[12] - The company has released a total of 34,700 restricted shares during the period, reducing the total restricted shares to 104,100[14] Future Plans - The company plans to focus on expanding its market presence and developing new products in the upcoming quarters[19] Other Financial Metrics - The weighted average return on equity was 0.42%, an increase of 0.05% from the previous year[4] - Accounts receivable increased significantly to ¥96,903,197.03, compared to ¥77,312,665.91, marking a growth of 25.5%[17] - Inventory decreased slightly to ¥123,682,047.14 from ¥130,521,823.31, a reduction of 5.2%[17] - The basic and diluted earnings per share are both 0.1242, down from 0.1291 in the previous period, indicating a decline of 3.73%[22] - The company experienced a 257.37% increase in asset disposal income compared to the previous year, attributed to gains from the disposal of idle assets[10] - Contract liabilities increased by 41.17% compared to the beginning of the year, mainly due to an increase in advance payments received[9]

Core Viewpoint - Tongda Co., Ltd. (300321.SZ) experienced a significant intraday drop of 5.98% to 41.7 yuan, despite having more than doubled its stock price year-to-date [1] Company Summary - The company announced that board member Xu Yanfeng plans to reduce his holdings by up to 1,600 shares, which represents 0.0018% of the total shares, due to personal financial needs [1] - The reduction will take place within a three-month period from November 12, 2025, to February 11, 2026, following a 15 trading day notice period [1] - The selling price will be determined based on the market price at the time of the sale, and the number of shares to be sold will be adjusted in case of any ex-rights or ex-dividend events [1]

Core Viewpoint - Dongda Co., Ltd. announced that its director Xu Yanfeng plans to reduce his shareholding in the company by up to 1,600 shares, which represents 0.0018% of the total share capital, within three months after a 15-trading-day period following the announcement [1] Summary by Categories - **Shareholding Details** - Xu Yanfeng holds 6,400 shares, accounting for 0.0072% of the company's total share capital [1] - The planned reduction is limited to a maximum of 1,600 shares [1] - **Reduction Timeline** - The reduction will occur within three months after a 15-trading-day period from the date of the announcement [1]

每经AI快讯，同大股份10月21日晚间发布公告称，持有公司股份6400股（占公司总股本比例为 0.0072%）的董事徐彦峰先生计划在本公告披露之日起十五个交易日后的三个月内以集中竞价方式减持 公司股份不超过1600股（占公司总股本比例为0.0018%）。 每经头条（nbdtoutiao）——展望"十五五"|专访贺铿：必须改变以往将资金过度集中于房屋建设和基础 设施建设的倾向，更加突出民生领域投入 （记者 王晓波） ...

Summary - The core point of the announcement is that a board member, Xu Yanfeng, plans to reduce his shareholding in the company due to personal financial needs [1] Group 1 - Xu Yanfeng holds 6,400 shares, representing 0.0072% of the company's total shares [1] - The planned reduction involves selling up to 1,600 shares, which is 0.0018% of the total shares [1] - The selling period is set from November 12, 2025, to February 11, 2026, starting 15 trading days after the announcement [1]

证券代码：300321 证券简称：同大股份 公告编号：2025-043 山东同大海岛新材料股份有限公司 关于董事减持股份的预披露公告 1、持有公司股份 6,400 股（占本公司总股本比例 0.0072%）的董事徐彦峰 先生计划在本公告披露之日起十五个交易日后的三个月内以集中竞价方式减持 公司股份不超过 1,600 股（占本公司总股本比例 0.0018%）。 山东同大海岛新材料股份有限公司（以下简称"公司"）收到公司董事徐彦 峰先生出具的《股份减持计划告知函》，现将有关情况公告如下： 一、股东的基本情况 截至本公告披露日，上述股东持股情况如下： | 姓名 | 职务 | 持股数量（股） | 占公司总股本比例(%) | | --- | --- | --- | --- | | 徐彦峰 | 董事 | 6,400 | 0.0072 | 二、本次减持计划的主要内容 1、减持原因：个人资金需求 本公司及董事会全体成员保证信息披露的内容真实、准确、完整，没有虚假记 载、误导性陈述或重大遗漏。 特别提示： 2、股份来源：通过证券交易系统集中竞价方式自二级市场买入的股份。 | 姓名 | 减持方式 | 本次减持股份（股） | 占公司 ...

Core Viewpoint - The company Tongda Co., Ltd. (300321) has utilized idle funds to invest in government bond reverse repos, indicating a strategy to enhance returns on surplus cash while maintaining a low-risk profile [1] Group 1: Stock Performance - As of October 15, 2025, Tongda Co., Ltd. closed at 41.47 yuan, up 2.14% from the previous trading day [1] - The stock opened at 41.0 yuan, reached a high of 41.59 yuan, and a low of 40.1 yuan, with a trading volume of 64.72 million yuan and a turnover rate of 1.78% [1] Group 2: Investment Announcement - The company announced the use of 80 million yuan of idle self-owned funds to purchase government bond reverse repos on October 15, 2025 [1] - The investment includes three subscriptions for the GC028 product, amounting to 60 million yuan, 10 million yuan, and 10 million yuan, with annualized yields of 1.50%, 1.505%, and 1.51% respectively, all with a term of 28 days, maturing on November 12, 2025 [1] - This investment falls within the authorized limit of up to 100 million yuan for purchasing government bond reverse repos and low-risk financial products, approved by the board and supervisory committee on September 26, 2025 [1] Group 3: Internal Control and Oversight - The company has established an internal control system to monitor the use of funds, with oversight from independent directors and the audit committee [1] - The investment is stated to have no impact on the company's main business and financial status [1]