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]

Core Viewpoint - The company, Ruifeng High Materials, clarified that the investigation into its board secretary for alleged insider trading is a personal matter and does not involve the company's stock trading or operations [1][2]. Group 1: Investigation Details - The investigation focuses on whether it involves company stock issues, internal control vulnerabilities, undisclosed important information, and the authenticity of past disclosures [1]. - The company has stated that the investigation is solely related to the individual and does not impact the company's business activities [2]. Group 2: Corporate Governance and Compliance - The company has established a robust governance structure and internal control systems in compliance with relevant laws and regulations since its listing in 2011, with no prior investigations or administrative penalties [2]. - A recent internal control self-assessment report confirmed that the company maintains effective internal controls over financial reporting [2]. Group 3: Management Response and Business Operations - The company convened a meeting with all directors and senior management to emphasize the importance of legal compliance and to prevent similar incidents in the future [3]. - Current business operations are normal, with sufficient orders in the plastic additives segment and ongoing technical upgrades in the polyester materials segment [3]. - The company is advancing its pilot tests for black phosphorus and enhancing the quality of its SBR series products in the new energy battery adhesive segment [3].

| 证券代码：300243 | 证券简称：瑞丰高材 | 公告编号：2025-027 | | --- | --- | --- | | 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 关于媒体报道的澄清公告 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。 （1）调查是否涉及公司股票问题 公司已在 2025 年 6 月 9 日披露的公告中明确说明，本次立案调查为对其本 人的个人调查，不涉及公司股票交易，与公司的经营活动均无关。 （2）公司内控是否存在漏洞 公司自上市以来，严格按照《公司法》《证券法》《上市公司治理准则》《深 交所创业板股票上市规则》《深交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》等法律法规及规范性文件的要求，建立完善了三会一层管理制 度，不断完善公司治理结构，建立健全公司内部控制制度，提高公司治理水平， 维护公司及全体股东利益。公司内部控制和治理的实际状况符合中国证监会、深 圳证券交易所发布的法律法规和规范性文件的要求。 公司在披露的《2024 年度内部控制自我评价报告》中明确："公司已经按 ...

Core Viewpoint - The report regarding the investigation of the company's board secretary is inaccurate, clarifying that the investigation is personal and does not involve the company's stock trading or operational activities [1] Group 1 - The company states that the investigation is solely a personal matter and does not affect its stock trading [1] - The company emphasizes that its internal control system is sound and complies with relevant laws and regulations [1] - The company assures that past information disclosures have been truthful, accurate, and complete [1] Group 2 - The company confirms that its current production and operations are normal, with all business segments progressing smoothly [1]

Core Viewpoint - The company clarifies that the investigation into the secretary of the board is a personal matter and does not involve the company's stock trading or operations [1] Group 1 - The company asserts that its internal control and governance meet relevant legal and regulatory requirements [1] - There are no undisclosed important information that the company is obligated to disclose [1] - The company's current production and operations are normal, with all business segments progressing in an orderly manner [1] Group 2 - The company condemns the false reporting and will take legal action to protect the rights of investors [1]

Core Viewpoint - The recent announcement by Ruifeng High Material regarding the insider trading investigation of its secretary has raised significant concerns about the company's governance and internal control mechanisms [2][3][4]. Group 1: Insider Trading Allegations - Ruifeng High Material's secretary, Zhao Ziyang, is under investigation by the China Securities Regulatory Commission (CSRC) for suspected insider trading, with the company claiming no prior knowledge of the situation [2][3]. - Legal experts suggest that the investigation could reveal whether Zhao's trading involved undisclosed significant information related to the company [3][4]. - The company's assertion that the incident is solely a personal matter raises doubts among investors regarding the potential implications for the company's operations and governance [3][4]. Group 2: Effectiveness of Internal Controls - Historical records indicate that this is not the first time Ruifeng High Material has faced regulatory scrutiny due to executive misconduct, with previous incidents involving significant discrepancies in financial reporting and unauthorized share sales [4][5]. - Experts argue that the repeated violations suggest systemic issues within the company's management and internal control systems, questioning the effectiveness of its compliance training and oversight mechanisms [5][6]. - The company claims to have established comprehensive governance structures, yet the occurrence of such violations indicates potential flaws in these systems [5][6]. Group 3: Accountability for Frequent Violations - The frequency of regulatory issues at Ruifeng High Material highlights deeper governance problems, particularly regarding the board's oversight responsibilities and the effectiveness of the independent directors [5][6]. - There is concern that the lack of meaningful consequences for past violations has fostered an environment where misconduct can occur without fear of repercussions [5][6]. - The involvement of the secretary in insider trading raises questions about the reliability of the company's past disclosures, potentially undermining investor confidence during a critical period for the company's strategic initiatives [6][7].

Core Viewpoint - The company Rui Feng Gao Cai (瑞丰高材) is under investigation by the China Securities Regulatory Commission (CSRC) for insider trading involving its board secretary, Zhao Ziyang, although the investigation does not pertain to the company's stock trading or operations [2]. Group 1: Company Background - Rui Feng Gao Cai's main businesses include plastic additives and biodegradable materials, with key products such as ACR processing aids and impact modifiers [5]. - Zhao Ziyang has been with the company for 16 years, holding various positions before becoming the board secretary [3]. Group 2: Financial Performance - In 2024, the company reported revenue of 2 billion yuan, a year-on-year increase of 12.7%, but a net profit of 22.08 million yuan, a decline of 74.1% [5]. - For Q1 2025, revenue was 474 million yuan, down 2.91% year-on-year, with a net profit of 5.28 million yuan, a decrease of 45.96% [5]. Group 3: Stock Price Volatility - The company's stock price experienced significant fluctuations, rising over 220% from a low of 5.02 yuan per share in February 2024 to a high of 16.11 yuan in May 2024 [6]. - The stock price later fell and then rose again, indicating investor interest in the company's new business ventures [6]. Group 4: New Business Developments - The company is focusing on new technologies, including synthetic biology, black phosphorus materials, and solid-state battery adhesives, with ongoing projects in these areas [6]. - However, the revenue from these new businesses is expected to be minimal in the short term, with projected sales for black phosphorus products not exceeding 50,000 yuan and synthetic biological materials not exceeding 100,000 yuan in 2024 [7]. Group 5: Compliance and Governance Issues - The investigation into Zhao Ziyang highlights potential issues with the company's internal control mechanisms and compliance culture, suggesting a need for improvements in governance and oversight [4].