| 证券代码：300243 | 证券简称：瑞丰高材 | 公告编号：2025-041 | | --- | --- | --- | | 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： 1、"瑞丰转债"（债券代码：123126）将于 2025 年 9 月 10 日按面值支付第 四年利息，每 10 张"瑞丰转债"（面值 1,000.00 元）利息为 30.00 元（含税）。 2、债权登记日：2025 年 9 月 9 日（星期二） 3、本次付息期间及票面利率：计息期间为 2024 年 9 月 10 日至 2025 年 9 月 9 日，票面利率为 3.00%。 4、付息日：2025 年 9 月 10 日（星期三） 5、除息日：2025 年 9 月 10 日（星期三） 6、"瑞丰转债"本次付息的债权登记日为 2025 年 9 月 9 日，截至 2025 年 9 月 9 日下午深圳证券交易所收市后，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"）登记 ...

Group 1 - Black phosphorus is an excellent layered material with significant application potential in battery materials, flame retardants, catalysis, medicine, and electronics [1] - The theoretical capacity of black phosphorus reaches 2596 mAh/g, which is much higher than that of graphite and other carbon-based materials, indicating a strong potential for enhancing battery energy density [2] - Black phosphorus has a high lithium intercalation potential and lithium diffusion coefficient, which reduces the risk of lithium dendrite formation and effectively improves fast charging safety [2] Group 2 - The industrialization process for black phosphorus preparation in domestic companies is making significant breakthroughs, with companies like Xingfa Group advancing steadily in their black phosphorus projects [3] - Xingfa Group has established a 100 kg-level black phosphorus pilot test facility, achieving stable production of black phosphorus crystals at a scale of 100 kg per batch, while continuously reducing production costs [3] - Ruifeng High Materials is working on a ton-level pilot production line, aiming to complete normal operation of a 100 kg facility by 2024, further promoting the low-cost industrialization of black phosphorus [3]

Financial Performance - The company reported a total revenue of 1.006 billion yuan for the first half of 2025, an increase of 2.62% year-on-year [1] - The net profit attributable to shareholders was 10.8048 million yuan, a decrease of 52.57% year-on-year [1] - The gross profit margin was 14.05%, down 2.03% year-on-year, while the net profit margin was 1.04%, down 55.19% year-on-year [1] - The total of selling, administrative, and financial expenses reached 115 million yuan, accounting for 11.42% of revenue, an increase of 7.19% year-on-year [1] - The company's cash flow from operating activities per share was 0.14 yuan, an increase of 134.5% year-on-year [1] Balance Sheet Highlights - Accounts receivable increased by 32.61% year-on-year, reaching 457 million yuan [1] - Monetary funds increased by 128.33% year-on-year, totaling 348 million yuan [1] - Interest-bearing liabilities rose by 29.85% year-on-year, amounting to 997.1 million yuan [1] Business Segments - The company operates in four main business segments: plastic additives, polyester materials, new energy materials, and synthetic biological materials [4] - The plastic additives segment includes PVC additives and engineering plastic additives, with revenue from PVC additives reaching 1.888 billion yuan, a 9% increase year-on-year [4] - The polyester materials segment includes biodegradable materials and specialty polyesters, with ongoing projects to enhance production capabilities [5] - The new energy materials segment focuses on black phosphorus materials and battery binders, with production lines under development [5] - The synthetic biological materials segment has achieved market recognition for certain products, with plans to increase production capacity [5] Cash Flow Analysis - The net cash flow from operating activities increased by 134.5% due to a reduction in inventory and cash payments for goods and services [2] - The net cash flow from investing activities decreased significantly by 462.93% due to increased cash payments for investments in fixed and intangible assets [3] - The net cash flow from financing activities increased by 371.97%, reflecting a rise in cash received from borrowings [3] Financial Ratios and Metrics - The company's return on invested capital (ROIC) was reported at 3%, indicating weak capital returns [3] - The average cash flow from operations over the past three years relative to current liabilities is only 3.48%, raising concerns about liquidity [4] - The interest-bearing debt ratio has reached 42.87%, indicating a significant level of leverage [4]

Group 1 - The company, Ruifeng High Materials, announced the convening of its sixth board meeting on August 25, 2025, to review the agenda including the "2025 Semi-Annual Report" and its summary [1] - For the year 2024, the revenue composition of Ruifeng High Materials is as follows: PVC additives account for 94.35%, engineering plastic additives account for 5.33%, and others account for 0.31% [1]

单位：人民币元 山东瑞丰高分子材料股份有限公司 2025 年半年度非经营性资金占用及其他关联资金往来情况汇总表 | 非经营性资金占用 | 资金占用方名称 | 占用方与上 市公司的关 | 上市公司核算 | 2025 年期初占 | 2025 年半年度占 用累计发生金额 | 2025 年半年 度占用资金 | 2025 年半年度 偿还累计发生金 | 2025 年半年度 期末占用资金 | 占用形 | 占用性质 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | | | 联关系 | 的会计科目 | 用资金余额 | （不含利息） | 的利息(如 | 额 | 余额 | 成原因 | | | | | | | | | 有) | | | | | | 控股股东、实际控制人及 | | | | | | | | | | | | 其附属企业 | | | | | | | | | | | | 小计 | | | | | | | | | | | | 前控股股东、实际控制人 | | | | | | | | | | | | 及其附属企业 | | | | | | | ...

本公司及监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。 表决结果：3 票同意、0 票反对、0 票弃权，表决通过。 关于第六届监事会第四次会议决议的公告 一、监事会会议召开情况 山东瑞丰高分子材料股份有限公司（以下简称"公司"）第六届监事会第四 次会议于 2025 年 8 月 25 日在公司三楼会议室召开，本次会议通知于 2025 年 8 月 14 日以电子邮件方式发出。会议应出席监事 3 名，实际出席监事 3 名。本次 监事会由监事会主席齐元玉先生主持。本次会议的召集和召开程序符合有关法律、 行政法规、部门规章、规范性文件和公司章程的有关规定。 二、会议审议情况 | 证券代码：300243 | 证券简称：瑞丰高材 | 公告编号：2025-039 | | --- | --- | --- | | 债券代码：123126 | 债券简称：瑞丰转债 | | 与会监事经过认真审议，形成以下决议： 山东瑞丰高分子材料股份有限公司 1、审议通过了《关于公司<2025 年半年度报告>及其摘要的议案》 经审议，监事会认为：公司《2025 年半年度报告》及其摘要的编制和审议 程序符合相关法 ...

山东瑞丰高分子材料股份有限公司 2025 年半年度报告全文 山东瑞丰高分子材料股份有限公司 2025 年半年度报告 公司计划不派发现金红利，不送红股，不以公积金转增股本。 2025 年 8 月 1 山东瑞丰高分子材料股份有限公司 2025 年半年度报告全文 第一节 重要提示、目录和释义 公司董事会、监事会及董事、监事、高级管理人员保证半年度报告内容的真实、准 确、完整，不存在虚假记载、误导性陈述或者重大遗漏，并承担个别和连带的法律责任。 公司负责人周仕斌、主管会计工作负责人许曰玲及会计机构负责人(会计主管人员)徐 颖杰声明：保证本半年度报告中财务报告的真实、准确、完整。 所有董事均已出席了审议本次半年报的董事会会议。 本报告中涉及未来计划或规划等前瞻性陈述的，均不构成公司对投资者的实质承诺， 投资者及相关人士均应对此保持足够的风险认识，并且应当理解计划、预测与承诺之间的 差异。 公司在本报告第三节"管理层讨论与分析"之"十、公司面临的风险和应对措施"部 分，详细描述了公司经营中可能存在的风险及应对措施，敬请投资者关注相关内容，注意 投资风险。 （二）报告期内公开披露过的所有公司文件的正本及公告的原稿。 2 | ...

与会董事经过认真审议，形成以下决议： 1、审议通过了《关于公司<2025 年半年度报告>及其摘要的议案》 | 证券代码：300243 | 证券简称：瑞丰高材 | 公告编号：2025-038 | | --- | --- | --- | | 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 关于第六届董事会第六次会议决议的公告 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。 一、董事会会议召开情况 山东瑞丰高分子材料股份有限公司（以下简称"公司"）第六届董事会第六 次会议于 2025 年 8 月 25 日在公司三楼会议室以现场结合通讯方式召开，本次会 议通知于 2025 年 8 月 14 日通过电子邮件方式发出。会议应出席董事 9 名，实际 出席董事 9 名，公司监事、高级管理人员列席会议。本次董事会由董事长周仕斌 先生主持。本次会议召开符合相关法律、行政法规、部门规章和公司章程的有关 规定。 二、董事会会议审议情况 1 2、公司《董事会审计委员会 2025 年第五次会议决议》。 特此公告。 山东瑞丰高分子材料股份有限公司董事 ...

Group 1 - The company's stock price on August 13 was 11.33 yuan, down 0.17 yuan or 1.48% from the previous trading day [1] - The company specializes in the research, production, and sales of PVC additives and engineering plastic additives, and was listed on the Growth Enterprise Market in 2011, with a current market capitalization of 2.837 billion yuan [1] - The company announced a need to pay 5.9247 million yuan in corporate income tax and 752,500 yuan in late fees due to differences in tax treatment of convertible bond interest expenses, totaling 6.6771 million yuan, which has been paid and is expected to impact the company's net profit for 2025 by the same amount [1] Group 2 - The former secretary of the board, Zhao Ziyang, is under investigation by the China Securities Regulatory Commission for insider trading, which the company stated is unrelated to its daily operations [1] - On August 13, the net inflow of main funds was 2.1004 million yuan, accounting for 0.1% of the circulating market value, while over the past five days, the net outflow of main funds was 8.2793 million yuan, accounting for 0.38% of the circulating market value [1]

Core Viewpoint - The continuous decrease in the number of shareholders for Ruifeng High Materials indicates a trend of concentrated holdings, with a total decline of 8.62% over four consecutive periods [2] Group 1: Shareholder Data - As of August 10, the number of shareholders for Ruifeng High Materials was 19,167, a decrease of 182 from the previous period (July 31), representing a month-on-month decline of 0.94% [2] - This marks the fourth consecutive decline in the number of shareholders, indicating a trend towards concentration of shares [2] Group 2: Stock Performance - The closing price of Ruifeng High Materials on the latest trading day was 11.33 yuan, down 1.48%, while the stock price has increased by 3.65% since the trend of concentrated holdings began [2] - The stock experienced 17 days of increases and 15 days of decreases during this period [2] Group 3: Margin Trading Data - As of August 12, the latest margin trading balance for the stock was 386 million yuan, with the entire margin balance decreasing by 57 million yuan, a decline of 12.86% since the number of shareholders began to decrease [2]