Core Viewpoint - The article discusses the investigation of Zhao Ziyang, the secretary of the board of directors of Ruifeng High Material, by the China Securities Regulatory Commission (CSRC) for suspected insider trading, clarifying that the investigation is personal and does not involve the company's stock trading or operations [1]. Group 1: Company Background - Ruifeng High Material, established in 1994, operates in the chemical raw materials and chemical products manufacturing industry, focusing on the research, production, and sales of PVC additives and engineering plastic additives [2]. - The company has a current comprehensive production capacity of nearly 200,000 tons for its PVC additive products, which include ACR processing aids and various impact modifiers [2]. Group 2: Recent Developments - Zhao Ziyang, who has been with the company in various roles since 2009, currently holds 219,900 shares of the company, with 164,900 shares being restricted [1]. - The company reported that it entered the engineering plastic additives sector in 2022, achieving over 100 million yuan in revenue in 2024, representing a year-on-year growth of over 200% [2]. Group 3: Market Performance - As of June 10, the company's stock price fell by 2.88%, closing at 10.78 yuan per share, with a total market capitalization of 2.7 billion yuan [4].

Group 1 - The first meeting of the China-US economic and trade consultation mechanism took place in London on June 9, with a continuation scheduled for June 10 [1] - The State Council emphasized the need to enhance the transformation of scientific and technological achievements to promote innovation and industrial integration [1] - The Chinese government issued opinions to improve minimum wage standards and basic medical insurance drug lists, aiming to address urgent public needs [1] Group 2 - Beijing's economic and information bureau released a plan for the high-quality development of the fashion industry from 2025 to 2027, promoting wearable devices and AI personal computers [2] - A financial regulatory body in the Yangtze River Delta prohibited banks from using physical gifts or member benefits to attract deposits, with a deadline for existing practices set for the end of 2025 [2] - In May, domestic retail sales of new energy passenger vehicles reached 1.021 million units, a year-on-year increase of 28.2% [2] Group 3 - The Hebei Development and Reform Commission announced measures to support private enterprises in the energy sector, particularly in charging infrastructure [3] - Filinger announced a significant stock price increase since May 30, leading to a trading suspension starting June 10 [3] - Zhongke Shuguang announced a merger with Haiguang Information, resulting in stock resumption [3] Group 4 - Apple opened its large language model to third-party developers at the WWDC 2025, enhancing its translation capabilities [4] - Amazon plans to invest at least $20 billion in Pennsylvania to expand its data center infrastructure, creating approximately 1,250 high-skilled jobs [4] - The US Congressional Budget Office projected that the US will reach its debt ceiling between mid-August and the end of September [4]

山东瑞丰高分子材料股份有限公司 公司将持续关注上述事项的进展情况，并严格按照相关法律法规的要求及时 履行信息披露义务。公司指定的信息披露媒体为《证券时报》《证券日报》《中 国证券报》和巨潮资讯网（www.cninfo.com.cn），公司所有信息均以在上述指定 媒体刊登的为准，敬请广大投资者注意投资风险。 | 证券代码：300243 | 证券简称：瑞丰高材 | 公告编号：2025-026 | | --- | --- | --- | | 债券代码：123126 | 债券简称：瑞丰转债 | | 关于公司高级管理人员收到立案告知书的公告 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。 山东瑞丰高分子材料股份有限公司（以下简称"公司"）于 2025 年 6 月 9 日收到公司董事会秘书赵子阳先生的通知，其于 2025 年 6 月 9 日收到中国证券 监督管理委员会（以下简称"中国证监会"）出具的《立案告知书》（编号：证 监立案字 0042025007 号），根据《中华人民共和国证券法》《中华人民共和国 行政处罚法》等法律法规，中国证监会决定对赵子阳先生因涉嫌内幕交易予 ...

Core Viewpoint - 瑞丰高材 is focusing on the industrialization of black phosphorus as a negative electrode material, which has significant advantages over traditional materials like graphite and silicon-carbon [1][2]. Group 1: Black Phosphorus Technology and Advantages - Black phosphorus has a theoretical specific capacity seven times that of graphite, and its volume expansion during lithium intercalation is approximately 200%, which is lower than that of silicon-based materials [1]. - The company is advancing the industrialization of black phosphorus, with a ton-level pilot production line expected to be operational in the third quarter of this year [1][2]. - The optimized phosphorus-carbon negative electrode exhibits excellent long-cycle stability and can be used in solid-state battery systems [1]. Group 2: Challenges and Innovations - The low-cost industrialization of black phosphorus faces significant challenges, particularly in controlling high-temperature and high-pressure environments [2]. - 瑞丰玥能, the company's subsidiary, has nearly ten years of technical reserves and has successfully improved the reaction conditions, increasing product yield and efficiency [2]. Group 3: Business Segments and Financial Performance - 瑞丰高材 has four main business segments: plastic additives, polyester materials, new energy materials, and synthetic biological materials [3]. - The engineering plastic additives segment is projected to achieve revenue of 107 million yuan in 2024, representing a year-on-year growth of 212% [3]. - The company is also working on increasing the production capacity of its recognized products, such as right-handed sugar acid [3].

证券代码：300243 证券简称：瑞丰高材 公告编号：2025-025 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 2024 年度股东大会决议的公告 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： 一、会议召开和出席情况 （一）会议召开 通过深圳证券交易所交易系统进行网络投票的具体时间为：2025 年 6 月 6 日 9:15-9:25，9:30-11:30 和 13:00-15:00； 通过互联网投票系统进行网络投票的具体时间为：2025 年 6 月 6 日 9:15 至 岭路） 《上市公司股东会规则》 《深 圳证券交易所创业板股票上市规则》及《公司章程》等法律法规、规范性文件的 有关规定。 公司于 2025 年 4 月 22 日在巨潮资讯网（www.cninfo.com.cn）发布了《关于 召开 2024 年度股东大会的通知》，以公告方式通知各股东召开本次股东大会。 （二）会议出席情况 （1）出席现场会议 的股东及股东代表 11 人，代表股份 77,996,069 股，占公司有表决权股份总数的 （2）通过深 ...

北京市东城区建国门内大街 26 号新闻大厦 7 层、8 层 电话：010-88004488/66090088 传真：010-66090016 邮编：100005 北京国枫（深圳）律师事务所 关于山东瑞丰高分子材料股份有限公司 法律意见书 国枫律股字2025C0071 号 致：山东瑞丰高分子材料股份有限公司（贵公司） 北京国枫（深圳）律师事务所（以下简称"本所"）接受贵公司的委托，指派律师 出席并见证贵公司 2024 年年度股东大会（以下简称"本次会议"）。 本所律师根据《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》（以下简称"《证券法》"）、《上市公司股东会规则》（以下简称 "《股东会规则》"）、《律师事务所从事证券法律业务管理办法》（以下简称"《证 券法律业务管理办法》"）、《律师事务所证券法律业务执业规则（试行）》（以下简 称"《证券法律业务执业规则》"）等相关法律、行政法规、规章、规范性文件及《山 东瑞丰高分子材料股份有限公司章程》（以下简称"《公司章程》"）的规定，就本次 会议的召集与召开程序、召集人资格、出席会议人员资格、会议表决程序及表决结果等 事宜，出具本法律意见 ...

北京市东城区建国门内大街 26 号新闻大厦 7 层、8 层 电话：010-88004488/66090088 传真：010-66090016 邮编：100005 北京国枫（深圳）律师事务所 关于山东瑞丰高分子材料股份有限公司 2024 年年度股东大会的 法律意见书 国枫律股字[2025]C0071 号 致：山东瑞丰高分子材料股份有限公司（贵公司） 北京国枫（深圳）律师事务所（以下简称"本所"）接受贵公司的委托，指派律师 出席并见证贵公司 2024 年年度股东大会（以下简称"本次会议"）。 本所律师根据《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》（以下简称"《证券法》"）、《上市公司股东会规则》（以下简称 "《股东会规则》"）、《律师事务所从事证券法律业务管理办法》（以下简称"《证 券法律业务管理办法》"）、《律师事务所证券法律业务执业规则（试行）》（以下简 称"《证券法律业务执业规则》"）等相关法律、行政法规、规章、规范性文件及《山 东瑞丰高分子材料股份有限公司章程》（以下简称"《公司章程》"）的规定，就本次 会议的召集与召开程序、召集人资格、出席会议人员资格、会议表决程序及 ...

关于 2024 年度股东大会决议的公告 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、本次股东大会不涉及否决议案的情形； 2、本次股东大会不涉及变更以往股东大会已通过的决议。 | 证券代码：300243 | 证券简称：瑞丰高材 | 公告编号：2025-025 | | --- | --- | --- | | 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 一、会议召开和出席情况 （一）会议召开 1、现场会议时间：2025 年 6 月 6 日（星期五）15:00 2、网络投票时间： 通过深圳证券交易所交易系统进行网络投票的具体时间为：2025 年 6 月 6 日 9:15-9:25，9:30-11:30 和 13:00-15:00； 通过互联网投票系统进行网络投票的具体时间为：2025 年 6 月 6 日 9:15 至 15:00 期间的任意时间。 3、现场会议的地点：公司三楼会议室（山东省淄博市沂源县经济开发区东 岭路） 4、会议召集人：公司董事会 5、会议表决方式：现场投票与网络投票相结合的方式 6、现 ...

Group 1: Business Overview - The company operates in four major business segments: polyester materials, new energy materials, synthetic biological materials, and plastic additives [2][3]. - Polyester materials include biodegradable products and special polyesters (PETG/PCTG), with significant sales growth expected [2][3]. - The engineering plastic additives segment is projected to achieve revenue of over 1 billion CNY in 2024, with a year-on-year growth rate exceeding 200% [4]. Group 2: Engineering Plastic Additives - The rapid growth of the engineering plastic additives business is attributed to high demand in industries such as automotive, electronics, and communications [4]. - The company has a production capacity of 20,000 tons and plans to expand to 60,000 tons to meet increasing market demand [4]. Group 3: New Energy Materials - The new energy materials segment includes black phosphorus and battery binder materials, with plans for a ton-level pilot production line expected to be operational in Q3 2025 [3][6]. - Black phosphorus has a theoretical capacity seven times that of graphite, making it a promising material for battery applications [7]. Group 4: Challenges and Innovations - The company faces challenges in the low-cost industrialization of black phosphorus due to the need for high-temperature and high-pressure conditions [6]. - The company has developed proprietary technologies that enhance the efficiency and yield of black phosphorus production, positioning it for successful industrialization [6]. Group 5: Market Applications - Black phosphorus can be used in various applications, including high-performance battery anodes and specialized flame retardants [7][8]. - The company is actively pursuing collaborations with downstream applications in new energy and other sectors [8]. Group 6: Risk Considerations - There are potential risks associated with the progress of new business areas, and investors are advised to review the company's periodic reports for detailed risk factors [8].

山东瑞丰高分子材料股份有限公司： 中信证券股份有限公司（以下简称"本保荐人"）作为对贵公司进行持续督 导的保荐人，按照《深圳证券交易所上市公司自律监管指引第 13 号——保荐业 务》的有关要求，对贵公司认真履行了持续督导职责。 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 2024年持续督导工作现场检查结果及提请公司注意事项 基于 2024 年度现场检查，本保荐人提请贵公司关注以下事项： 1、2024 年度，公司营业收入同比增加，但利润水平有所下滑，一方面是因 为原材料价格上涨使得毛利率有所降低，另一方面是因为年产 6 万吨生物可降解 高分子材料 PBAT 项目于 2023 年末转固，新增固定资产折旧费用，除此之外可 转换公司债券计提的财务费用增加以及计提资产减值损失，也导致公司利润有所 下降。建议公司进一步增强自身盈利能力，对于可能存在的业绩下滑风险充分做 好信息披露，切实保护投资者利益； 2 附件：《定期现场检查报告》 1 （本页无正文，为《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 2024 年持续督导工作现场检查结果及提请公司注意事项》之签章页） 保荐人：中信证券股份有限公司 ...