Financial Performance - The company's operating revenue for 2024 was CNY 373,405,226.28, representing a 13.41% increase compared to CNY 329,242,844.44 in 2023[18]. - The net profit attributable to shareholders for 2024 was CNY 8,400,085.01, a significant turnaround from a loss of CNY 7,925,113.75 in 2023, marking a 205.99% increase[18]. - The net profit after deducting non-recurring gains and losses was CNY 5,666,683.61, up 122.25% from a loss of CNY 25,471,963.86 in the previous year[18]. - The basic earnings per share for 2024 was CNY 0.0946, compared to a loss of CNY 0.0892 in 2023, reflecting a 206.05% improvement[18]. - The total assets at the end of 2024 were CNY 683,376,139.16, a 2.22% increase from CNY 668,513,811.65 at the end of 2023[18]. - The net assets attributable to shareholders increased by 1.36% to CNY 626,546,348.94 at the end of 2024, compared to CNY 618,146,263.93 in 2023[18]. - The net cash flow from operating activities for 2024 was CNY 4,761,743.44, a decrease of 85.64% from CNY 33,165,922.20 in 2023[18]. - The company reported a significant improvement in profitability metrics, indicating a positive trend in financial performance[18]. Revenue and Sales - The company's main business revenue for 2024 reached ¥356,816,128.68, representing a year-on-year increase of 19.27% compared to ¥299,167,944.75 in 2023[41]. - The total sales volume for 2024 was 1,096.45 million square meters, a 25.36% increase from 874.64 million square meters in 2023[47]. - The revenue from the microfiber base fabric product surged by 152.96% to ¥90,923,560.30, compared to ¥35,944,509.52 in 2023[43]. - The revenue from direct sales accounted for 67.71% of total sales in 2024, up from 63.33% in 2023, indicating a shift towards direct sales channels[43]. - The gross profit margin for the microfiber base fabric product was 19.39%, showing an increase of 9.63% year-on-year[46]. Research and Development - Research and development expenses increased by 18.75% to ¥15,836,999.04 in 2024, up from ¥13,336,663.21 in 2023, reflecting the company's commitment to innovation[41]. - The company has obtained 16 invention patents and 13 utility model patents, demonstrating its commitment to innovation and technology[30]. - The company completed several key R&D projects, including the development of high-performance protective materials and low-carbon footprint synthetic leather[55]. - The investment in R&D has focused on enhancing product performance and expanding application areas, such as developing environmentally friendly materials[55]. - The company aims to improve its competitive edge by introducing innovative products and technologies, including solvent-free synthetic leather[55]. Operational Efficiency - The company established a comprehensive management system covering key areas such as R&D, production management, and quality control, enhancing operational efficiency[40]. - The company has implemented a sales-driven production model, aligning production plans with customer demand to optimize efficiency[34]. - The company has made significant breakthroughs in the technology of producing ultra-fine fiber leather using recycled and bio-based materials, maintaining a competitive edge in the industry[39]. - The company aims to optimize its management structure and improve operational efficiency through modern information management[75]. Market Position and Strategy - The company is a leading manufacturer of ultra-fine synthetic leather in China, with a strong market presence and a reputation for high-quality products[30]. - The ultra-fine synthetic leather market is expected to grow due to increasing demand for eco-friendly materials and the company's focus on sustainable production practices[28]. - The company has established a strong customer base, including well-known brands such as LV, ZARA, and BMW, which supports its market position[35]. - The company intends to expand its market presence by increasing brand awareness and establishing long-term relationships with reputable clients[79]. Governance and Shareholder Engagement - The board of directors consists of 9 members, including 3 independent directors, ensuring compliance with governance requirements[92]. - The company has conducted 1 annual general meeting and 2 extraordinary general meetings during the reporting period, ensuring shareholder rights are upheld[91]. - The company actively engages with investors through various channels to enhance transparency and communication[95]. - The company has established strict knowledge property protection measures to safeguard its core technologies and prevent leaks[82]. - The company has a governance structure that includes an independent board of directors, supervisory board, and shareholders' meeting, complying with legal requirements[104]. Financial Independence and Control - The company maintains an independent business system and operational capability, ensuring no interference from the controlling shareholder in its operations[99]. - The company has independent bank accounts and does not share accounts with controlling shareholders or related enterprises, ensuring financial autonomy[103]. - The company has a complete and independent organizational structure tailored to its development needs, with clearly defined roles and responsibilities[104]. - The company has committed to maintaining independence in personnel, assets, finance, and operations, ensuring no mixed operations or asset confusion with Weikong Group[150]. Employee Management and Rights - The company reported a total of 539 employees at the end of the reporting period, with 344 in production, 22 in sales, 90 in technical roles, 7 in finance, and 76 in administration[130]. - Employee rights are protected through a comprehensive human resource management system, ensuring a healthy and harmonious work environment[145]. - The company has maintained a stable employee count with no layoffs or significant changes in workforce structure during the reporting period[130]. - The company will enhance employee training programs in 2025 to improve management, technical, and marketing capabilities, thereby increasing overall competitiveness[132]. Environmental and Social Responsibility - The company actively fulfills its social responsibilities, contributing to environmental sustainability and resource conservation[147]. - There were no administrative penalties related to environmental issues during the reporting period[144]. - The company has not disclosed any measures taken to reduce carbon emissions during the reporting period[144]. - The company has not reported any significant issues related to poverty alleviation or rural revitalization[148].

同大股份（300321）公告，2024年营业收入为3.73亿元，同比增长13.41%。归属于上市公司股东的净利 润为840.01万元，同比增长205.99%。公司经本次董事会审议通过的利润分配预案为：以8880万为基 数，向全体股东每10股派发现金红利0.43元(含税)，送红股0股(含税)，以资本公积金向全体股东每10股 转增0股。 ...

山东同大海岛新材料股份有限公司 股票简称：同大股份 股票代码：300321 信息披露义务人：华盛百利投资发展（北京）有限公司 注册地址：北京市通州区潞城镇小营村委会北 300 米 通讯地址：北京市通州区潞城镇小营村委会北 300 米 股份变动性质：持股数量减少 签署日期：二〇二五年四月 信息披露义务人声明 一、本报告书系信息披露义务人依据《公司法》《证券法》《上市公司收购管 理办法》《证券期货法律适用意见第 19 号——第十三条、第十四条的适用意见》 和《公开发行证券的公司信息披露内容与格式准则第 15 号——权益变动报告书》 等相关法律、法规及规范性文件编制。 简式权益变动报告书 上市公司名称：山东同大海岛新材料股份有限公司 股票上市地点：深圳证券交易所 二、信息披露义务人签署本报告书已获得必要的授权和批准，其履行不违反 信息披露义务人章程或内部规则中的任何条款，或与之相冲突。 三、依据《证券法》《上市公司收购管理办法》《公开发行证券的公司信息披 露内容与格式准则第 15 号——权益变动报告书》相关规定，本报告书已全面披 露了信息披露义务人在同大股份拥有权益的股份变动情况。截至本报告书签署日， 除本报告书披 ...

本次权益变动方式（可多选） 通过证券交易所的集中交易 √ 协议转让 □ 通过证券交易所的大宗交易 □ 间接方式转让 □ 国有股行政划转或变更 □ 执行法院裁定 □ 取得上市公司发行的新股 □ 继承 □ 赠与 □ 表决权让渡 □ 其他 □（请注明） 本次增持股份的资金来源 不适用 3. 本次变动前后，投资者及其一致行动人拥有上市公司权益的股份情况 股份性质 本次变动前持有股份 本次变动后持有股份 股数(万股) 占总股本比例 (%) 股数(万股) 占总股本比例 (%) 合计持有股份 972.6923 10.95 884.2523 9.96 其中：无限售条件股份 972.6923 10.95 884.2523 9.96 有限售条件股份 - - - - 4. 承诺、计划等履行情况 本次变动是否为履行已作 出的承诺、意向、计划 是√ 否□ 2024 年 12 月 13 日在巨潮资讯网披露了《关于持股 5%以上股东 减持计划预披露的公告》（公告编号：2024-036），公司持股 5%以上 股东华盛百利投资发展（北京）有限公司计划以集中竞价及大宗交易 方式减持不超过 2,664,000 股公司股份。其中，在任意连续 90 ...

证券代码：300321 证券简称：同大股份 公告编号：2025-009 山东同大海岛新材料股份有限公司 关于持股 5%以上股东减持计划时间届满的公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完整，没有虚 假记载、误导性陈述或重大遗漏。 | 股东名 | | 本次减持前持有股份 | | 本次减持后持有股份 | | | --- | --- | --- | --- | --- | --- | | | 股份性质 | | 占总股本比例 | | 占总股本比 | | 称 | | 股数（万股） | | 股数（万股） | | | | | | （%） | | 例（%） | | 华盛百 | 合计持有股份 | 972.6923 | 10.95 | 884.2523 | 9.96 | | --- | --- | --- | --- | --- | --- | | | 其中：无限售条件 | 972.6923 | 10.95 | 884.2523 | 9.96 | | 利 | 股份 | | | | | | | 有限售条件股份 | - | - | | | 三、其他情况说明 1、本次减持股份事项遵守了相关法律、行政法规、部门规章、规 ...

特别提示： 1、本次公开征集期内（即 2025 年 3 月 24 日至 2025 年 4 月 7 日），山东同 大海岛新材料股份有限公司（以下简称"公司"）控股股东潍坊市政金控股集团 有限公司（以下简称"潍坊金控"）收到青岛卓岳铭梁新材料科技合伙企业（有 限合伙）和北京星耀创企信息咨询中心（有限合伙）两家意向受让方提交的申请 材料，且两家已足额缴纳相应的缔约保证金。 2、潍坊金控将尽快组织评审委员会对意向受让方进行综合评审，按照《上 市公司国有股权监督管理办法》等有关规定，在综合考虑各种因素的基础上择优 选择受让方，并与最终确定的受让方签署附条件生效的《股份转让协议》。所签 《股份转让协议》须经国有资产监督管理机构及其他有权政府部门的批准后方能 生效，是否能够获得国有资产监督管理机构的批准及其他有权政府部门的批准以 及股份转让是否能够最终完成尚存在不确定性。敬请广大投资者注意投资风险。 3、若本次公开征集转让实施完成，公司控股股东及实际控制人可能会发生 变更。 证券代码：300321 证券简称：同大股份 公告编号：2025-008 山东同大海岛新材料股份有限公司 关于公司控股股东拟通过公开征集受让方的方式协议 ...

证券代码：300321 证券简称：同大股份 公告编号：2025-007 的公告 本公司及董事会全体成员保证信息披露的内容真实、准确和完整，没有虚 假记载、误导性陈述或重大遗漏。 重要内容提示： 1、山东同大海岛新材料股份有限公司（以下简称"公司"或"同大股份"） 控股股东潍坊市政金控股集团有限公司（以下简称"潍坊金控"）拟通过公开征 集受让方的方式协议转让其持有的公司 10%股份（对应公司 8,880,000 股股份）， 股份转让价格不低于人民币 30 元/股（含）；同时，根据潍坊金控与山东同大集 团有限公司（以下简称"同大集团"）于 2025 年 3 月 4 日签署的《股份转让和 表决权委托之变更协议》，同大集团拟同时将其持有的公司 10%股份（对应公司 8,880,000 股股份）转让给经本次公开征集确定的受让方，股份转让价格不低于 人民币 28 元/股（含）。同大集团转让 10%的公司股份系本次潍坊金控通过公开 征集受让方方式转让股份不可分割的一部分，受让主体须同时受让潍坊金控及同 大集团所持有的公司各 10%的股份（以下简称"本次公开征集转让"或"本次交 易"）。 2、若本次公开征集转让实施完成，公司 ...

山东同大海岛新材料股份有限公司 股份获得潍坊市财政局批复的公告 证券代码：300321 证券简称：同大股份 公告编号：2025-006 关于公司控股股东拟通过公开征集受让方的方式协议转让公司部分 公司将密切关注本次公开征集受让方转让公司部分股份的进展情况，并严格 按照相关法律、法规的规定及时履行信息披露义务。敬请广大投资者理性投资， 注意投资风险。 特此公告。 山东同大海岛新材料股份有限公司 董事会 2025 年 3 月 21 日 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"）控股股东潍坊市政 金控股集团有限公司（以下简称"潍坊金控"） 与股东山东同大集团有限公司 （以下简称"同大集团"）于 2025 年 3 月 4 日签署了《股份转让和表决权委托 之变更协议》，潍坊金控、同大集团拟通过公开征集方式分别将所持公司 10%的 股份同步转让给受让方，公开征集转让实施完成后，公司的控股股东及实际控制 人可能发生变更。详见公司于 2025 年 3 月 5 日披露的《关于公司股东签署<股份 转让和表决权委托之变更协议> ...

证券代码：300321 证券简称：同大股份 公告编号：2025-005 山东同大海岛新材料股份有限公司 关于变更签字会计师及质量控制复核人的公告 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。 戴兴明 2024 年注册成为注册会计师，2023 年加入立信会计师事务所(特殊 普通合伙)从事审计业务至今，2023 年开始从事证券服务业务，未在其他单位兼 职。 戴兴明不存在违反《中国注册会计师职业道德守则》有关独立性要求的情形， 最近三年未因执业行为受到过刑事处罚、行政处罚、监督管理措施和纪律处分。 符合规定，无不良诚信记录。 山东同大海岛新材料股份有限公司（以下简称"公司"）于 2024 年 4 月 19 日召开第六届董事会第七次会议和第六届监事会第七次会议，审议通过了《关于 聘任 2024 年度审计机构的议案》，同意聘任立信会计师事务所（特殊普通合伙） （以下简称"立信"）为公司 2024 年度审计机构，该事项已经公司 2023 年年度 股东大会审议通过。具体内容详见公司于 2024 年 4 月 20 日在巨潮资讯网 （www.cninfo.com.cn）披露的 ...

Group 1 - The core point of the article is that Tongda Co., Ltd. (300321) announced the transfer of 10% of its shares by its controlling shareholder Weifang Jinkong through a public solicitation of transferees [1] - Weifang Jinkong will transfer 8.88 million shares, which represents 10% of the company [1] - Shandong Tongda Group Co., Ltd. will also transfer its 10% stake in the company through the same public solicitation [1] Group 2 - If the public solicitation transfer is completed, there may be a change in the company's controlling shareholder and actual controller [1]