证券代码：300243 证券简称：瑞丰高材 公告编号：2025-030 债券代码：123126 债券简称：瑞丰转债 山东瑞丰高分子材料股份有限公司 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： 司"）2024 年 1 月 8 日在深圳证券交易所上市的向特定对象发行的股票。 先生，拟解除限售股份数量为 14,957,264 股，占目前公司总股本的 5.97%。 一、本次解除限售股份的基本情况及公司股本变动情况 根据中国证券监督管理委员会（以下简称"中国证监会"）出具的《关于同 意山东瑞丰高分子材料股份有限公司向特定对象发行股票注册的批复》（证监许 可〔2023〕2605 号），公司向特定对象发行了 A 股股票 14,957,264 股，发行价 格为 7.02 元/股，认购对象系公司控股股东、实际控制人周仕斌先生。 本次向特定对象发行股票新增股份的股份登记手续已在中国证券登记结算 有限责任公司深圳分公司（以下简称"中国结算深圳分公司"）办理完毕，新增 股份于 2024 年 1 月 8 日在深圳证券交易所上市，公司总股本由 235,463,305 股变 ...

| 证券代码：300243 | 证券简称：瑞丰高材 | 公告编号：2025-030 | | --- | --- | --- | | 债券代码：123126 | 债券简称：瑞丰转债 | | 本次向特定对象发行股票新增股份的股份登记手续已在中国证券登记结算 有限责任公司深圳分公司（以下简称"中国结算深圳分公司"）办理完毕，新增 股份于 2024 年 1 月 8 日在深圳证券交易所上市，公司总股本由 235,463,305 股变 更为 250,420,569 股。 山东瑞丰高分子材料股份有限公司 关于向特定对象发行股票解除限售上市流通的提示性公告 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、本次解除限售的股份为山东瑞丰高分子材料股份有限公司（以下简称"公 司"）2024 年 1 月 8 日在深圳证券交易所上市的向特定对象发行的股票。 2、本次申请解除限售的股东共 1 名，系公司控股股东、实际控制人周仕斌 先生，拟解除限售股份数量为 14,957,264 股，占目前公司总股本的 5.97%。 3、本次解除限售股份的上市流通日期为 2025 年 7 ...

中信证券股份有限公司 关于山东瑞丰高分子材料股份有限公司 向特定对象发行股票限售股份解除限售并上市流通 的核查意见 中信证券股份有限公司（以下简称"中信证券"或"保荐人"）作为山东瑞 丰高分子材料股份有限公司（以下简称"瑞丰高材"或"公司"）向特定对象发 行股票的保荐人，根据《证券发行上市保荐业务管理办法》《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》等有关规定，对公司向特定对象发行股票限售股份解除限售 并上市流通事项进行了审慎核查，并出具本核查意见。 一、本次解除限售股份的基本情况及公司股本变动情况 经中国证券监督管理委员《关于同意山东瑞丰高分子材料股份有限公司向特 定对象发行股票注册的批复》（证监许可〔2023〕2605 号）同意注册，并经深 圳证券交易所同意，公司向特定对象发行股票 14,957,264 股，每股面值 1 元，发 行价格为 7.02 元/股，认购对象系公司控股股东、实际控制人周仕斌先生。 本次向特定对象发行股票新增股份的股份登记手续已在中国证券登记结算 有限责任公司深圳分公司办理完毕，新增股份于 2024 年 1 月 8 ...

| 证券代码：300243 | 证券简称：瑞丰高材 | 公告编号：2025-029 | | --- | --- | --- | | 债券代码：123126 | 债券简称：瑞丰转债 | | 山东瑞丰高分子材料股份有限公司 关于 2025 年第二季度可转换公司债券转股情况的公告 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。 特别提示： 1、"瑞丰转债"（债券代码：123126）转股期为：2022 年 3 月 16 日至 2027 年 9 月 9 日，最新转股价格为：11.69 元/股。 2、2025 年第二季度，共有 10 张"瑞丰转债"完成转股。 3、截至 2025 年第二季度末，公司剩余可转债数量为 3,398,662 张，票面总 金额为 339,866,200 元人民币。 根据《深圳证券交易所创业板股票上市规则》等有关规定，山东瑞丰高分子 材料股份有限公司（以下简称"公司"）现将 2025 年第二季度可转换公司债券 转股及公司总股本变化情况公告如下： 一、可转换公司债券发行上市情况 经深圳证券交易所（以下简称"深交所"）同意，公司 34,000.00 万元 ...

Core Viewpoint - The credit rating of Shandong Ruifeng High Polymer Materials Co., Ltd. has been downgraded to A with a stable outlook due to declining profitability and increased liquidity pressure [1][6][9]. Company Overview - Shandong Ruifeng specializes in the production and sales of PVC additives, with a total capacity of 19.6 million tons per year, maintaining a competitive edge in niche markets [7][10]. - The company has a registered capital of 250 million yuan, with the majority shareholder being a natural person, Zhou Shibin, holding 26.91% [9][10]. Financial Performance - As of March 2025, the company's total assets amounted to 2.258 billion yuan, with equity of 1.142 billion yuan and a debt-to-asset ratio of 49.42% [10]. - The company reported total operating revenue of 2.001 billion yuan in 2024 and 474 million yuan in the first quarter of 2025, with profit totals of 32 million yuan and 6 million yuan respectively [10][11]. Market Position and Competition - The company has maintained cooperation with major PVC product manufacturers, such as China Liansu Group, and has seen an increase in sales volume and average selling prices of PVC additives [7][8]. - The PVC additives market is facing pressure from fluctuating raw material prices and increased competition, which may impact profit margins [7][8][15]. Challenges and Risks - The company has experienced a decline in cash flow, with net cash flow turning negative, leading to increased liquidity pressure [8][9]. - The company's investment projects related to convertible bonds have not been operating as expected, raising concerns about potential asset impairment [6][8]. Industry Analysis - The plastic additives industry is closely tied to the development of the plastic industry, with demand for PVC products expected to face challenges due to weak real estate market conditions [13][15]. - The industry is undergoing consolidation, with market share increasingly concentrated among leading companies that possess technological advantages and stable product quality [16][17].

信用等级通知书 东方金诚债跟踪评字【2025】0146 号 山东瑞丰高分子材料股份有限公司： 东方金诚国际信用评估有限公司根据跟踪评级安排对贵公司及"瑞 丰转债"的信用状况进行了跟踪评级，经信用评级委员会评定，此 次跟踪评级下调贵公司主体信用等级为 A，评级展望为稳定，同时 下调"瑞丰转债"信用等级为 A。 东方金诚国际信用评估有限公司 信评委主任 二〇二五年六月十八日 东方金诚债跟踪评字【2025】0146 号 信用评级报告声明 为正确理解和使用东方金诚国际信用评估有限公司（以下简称"东方金诚"）出具的信用 评级报告（以下简称"本报告"），本公司声明如下： 1.本次评级为委托评级，东方金诚与受评对象不存在任何影响本次评级行为独立、客观、公正 的关联关系，本次项目评级人员与评级对象之间亦不存在任何影响本次评级行为独立、客观、公正 的关联关系。 2.本次评级中，东方金诚及其评级人员遵照相关法律、法规及监管部门相关要求，充分履行了 勤勉尽责和诚信义务，有充分理由保证本次评级遵循了真实、客观、公正的原则。 3.本评级报告的结论，是按照东方金诚的评级流程及评级标准做出的独立判断，未受评级对象 和第三方组织或个人的干预 ...

Group 1 - The event held on June 19 aimed to create an efficient platform for deepening industry services, enhancing communication, sharing experiences, and fostering cooperation in the plastic sheet and board industry [1] - Yiyuan has implemented an industrial strength strategy, significantly boosting the new materials sector, which has reached a production value of 131.5 billion [1] - The new materials industry in Yiyuan has developed a robust structure with three main segments: high polymer materials, inorganic non-metallic materials, and specialty metal materials [1] Group 2 - The plastic sheet and board industry is a key supporting industry in Yiyuan's development as a "Fiber New Materials City" [2] - Shandong Ruifeng High Polymer Materials Co., Ltd. is a leading producer of ACR processing aids and MBS impact modifiers, breaking foreign technology monopolies in high-end PVC board materials [2] - Shandong Botuo New Materials Co., a national-level specialized "little giant" enterprise, has advanced production lines with an annual output of 100,000 tons of PVC foam boards and other products, achieving international leading performance indicators [2] Group 3 - Shandong Ruifeng High Polymer Materials Co., Ltd. holds a leading position in the MBS impact modifier market, with over 80 national patents, including more than 50 invention patents [3] - The company has a comprehensive production capacity of over 200,000 tons for PVC additives, leading the industry in ACR/MBS production capacity [3] - The recent technology exchange and market docking event included lectures, investment promotions, and on-site observations, aiming to deepen collaboration with industry associations and enhance the new materials industry's high-quality development [3]

| 证券代码：300243 | 证券简称：瑞丰高材 公告编号：2025-028 | | --- | --- | | 债券代码：123126 | 债券简称：瑞丰转债 | 山东瑞丰高分子材料股份有限公司 关于承办"2025·中国塑协板片材专业委员会会员大会暨技 术交流与市场对接会"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。 一、会议简述 经中国塑料加工工业协会板片材专业委员会（以下简称"中国塑协板片材专 委会"）研究决定、中国塑料加工工业协会（以下简称"中国塑协"）批准，定 于 2025 年 6 月 18 日（星期三）—20 日（星期五）在山东省淄博市沂源县人民 大会堂召开"2025·中国塑协板片材专业委员会会员大会暨技术交流与市场对接 会"。 山东瑞丰高分子材料股份有限公司（以下简称"公司"）作为本次会议的承 办方，将负责会议的筹划及组织安排等工作，同时将进行企业宣传与技术交流。 本次会议将由中国塑协及板片材专委会领导介绍行业发展状况及总结协会 工作，并邀请行业内专家教授分析当前宏观经济形势以及新技术、新产品、新应 用的介绍等，公司也将在本次会议上进 ...

Core Points - The stock price of Ruifeng High Materials (300243) closed at 9.95 yuan on June 13, 2025, down 3.59% from 10.32 yuan the previous week [1] - The company's market capitalization is currently 2.492 billion yuan, ranking 60th out of 72 in the plastics sector and 4601st out of 5150 in the A-share market [1] Shareholder Changes - As of May 30, 2025, the number of shareholders of Ruifeng High Materials increased by 2,133, representing a growth of 10.84% [2][4] - The average number of shares held per shareholder decreased from 12,700 shares to 11,500 shares, with an average holding value of 117,000 yuan [2] Company Announcements - The company announced that its board secretary, Zhao Ziyang, received a notice of investigation from the China Securities Regulatory Commission (CSRC) on June 9, 2025, for suspected insider trading [2][4] - The investigation is personal and does not involve the company's stock trading, and the company's operations remain normal [2]

Group 1 - The company is under investigation for insider trading involving its board secretary, but the investigation is personal and does not relate to the company's stock or operations [1][2] - The company has established a robust internal control system in compliance with relevant laws and regulations since its listing in 2011, and has never faced any securities investigations or administrative penalties [2][3] - As of the announcement date, the company has no undisclosed important information and past disclosures have been accurate and complete [2][3] Group 2 - The company is actively advancing its business segments, including transitioning PBAT to PETG/PCTG in the polyester materials sector, conducting pilot tests for black phosphorus, and enhancing the quality of SBR products for the new energy battery adhesive segment [3] - The company is promoting products in the synthetic biological materials sector and is planning to expand production as needed [3] - The company condemns irresponsible behavior that harms investor rights and will report such actions to relevant authorities while reserving the right to pursue legal responsibility [3]