Core Points - The stock of Tongda Co., Ltd. (300321) closed at 47.12 yuan on November 12, 2025, with a market capitalization of 4.184 billion yuan, reflecting a 0.26% increase from the previous trading day [1] - The company announced the purchase of government bond reverse repos using idle self-owned funds amounting to 80 million yuan on October 15, 2025, with annualized yields ranging from 1.50% to 1.51% [1] - The internal management system has been established to ensure fund safety, and the transaction will not significantly impact the company's main business or financial status [1] Financial Performance - The stock opened at 46.99 yuan, reached a high of 47.86 yuan, and a low of 46.28 yuan on the same day, with a trading volume of 75.8352 million yuan and a turnover rate of 1.82% [1] Investment Activity - The company engaged in three transactions of government bond reverse repos, with amounts of 60 million yuan, 10 million yuan, and 10 million yuan, all maturing on November 12, 2025 [1]

证券代码：300321 证券简称：同大股份 公告编号：2025-047 山东同大海岛新材料股份有限公司 关于使用闲置自有资金购买国债逆回购的进展公告 2、国债逆回购投资业务在初始成交之时利率即已锁定，收益大小也已确定， 因此在逆回购到期日之间市场利率波动对已发生的交易没有影响。 （二）风险控制措施 1、公司将严格按照《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》等有关规定进行国债逆回购。 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"）于 2025 年 9 月 26 日召开的第六届董事会第十三次会议、第六届监事会第十二次会议审议通过了 《关于使用闲置自有资金购买国债逆回购和理财产品的议案》，同意公司使用不 超过人民币 1 亿元的闲置自有资金购买国债逆回购和安全性高、流动性好的低风 险类理财产品，在上述额度内，资金可以滚动使用，授权期限为公司董事会审议 通过本议案之日起 12 个月内有效。具体内容详见公司于 2025 年 9 月 26 日在巨 潮资讯网披露的《第六届董事会第十三次会议 ...

Core Insights - The company reported a revenue of 98,157,774.87 yuan for the third quarter of 2025, representing a year-on-year growth of 16.56% [1] - The net profit attributable to shareholders of the listed company was 2,642,736.91 yuan, showing a year-on-year increase of 13.01% [1] Financial Performance - Revenue for Q3 2025: 98.16 million yuan, up 16.56% year-on-year [1] - Net profit for Q3 2025: 2.64 million yuan, up 13.01% year-on-year [1]

Group 1 - The core point of the article is that Tongda Co., Ltd. (SZ 300321) held its 14th meeting of the 6th board of directors on October 22, 2025, to review the proposal for the "2025 Q3 Report" [1] - For the year 2024, the revenue composition of Tongda Co., Ltd. is entirely from the artificial leather industry, accounting for 100.0% [1] - As of the report date, the market capitalization of Tongda Co., Ltd. is 3.8 billion yuan [1]

Core Viewpoint - Tongda Co., Ltd. reported a year-on-year increase in revenue for the first three quarters, but a decline in net profit attributable to shareholders, indicating mixed financial performance [1] Financial Performance - The company's operating revenue for the first three quarters reached 293 million yuan, representing a year-on-year growth of 6.02% [1] - The net profit attributable to shareholders was 11.028 million yuan, showing a year-on-year decrease of 3.8% [1] - The net profit attributable to shareholders after deducting non-recurring gains and losses was 9.9 million yuan, which reflects a year-on-year increase of 12.16% [1]

Core Viewpoint - Tongda Co., Ltd. reported a revenue of 293 million yuan for the first three quarters of 2025, reflecting a year-on-year growth of 6.02% [1] - The net profit attributable to shareholders decreased by 3.80% to 11.0281 million yuan [1] - The net profit excluding non-recurring gains and losses increased by 12.16% to 9.9004 million yuan [1] - Basic earnings per share stood at 0.1242 yuan [1] Financial Performance - Revenue for the first three quarters: 293 million yuan, up 6.02% year-on-year [1] - Net profit attributable to shareholders: 11.0281 million yuan, down 3.80% year-on-year [1] - Net profit excluding non-recurring items: 9.9004 million yuan, up 12.16% year-on-year [1] - Basic earnings per share: 0.1242 yuan [1]

Core Viewpoint - The company reported a revenue of 293 million yuan for the first three quarters of 2025, reflecting a year-on-year growth of 6.02% while the net profit attributable to shareholders decreased by 3.80% to 11.0281 million yuan [1] Financial Performance - Revenue for the first three quarters reached 293 million yuan, marking a 6.02% increase compared to the previous year [1] - Net profit attributable to shareholders was 11.0281 million yuan, which represents a decline of 3.80% year-on-year [1] - Basic earnings per share stood at 0.1242 yuan, also down by 3.80% from the previous year [1]

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 ...