东亚前海证券有限责任公司 关于长华化学科技股份有限公司 2026 年度日常关联交易预计额度的核查意见 东亚前海证券有限责任公司（以下简称"东亚前海证券"、"保荐机构"）作 为长华化学科技股份有限公司（以下简称"长华化学"、"公司"）持续督导的保 荐机构，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》等相关规定，就长华化学 2026 年度日常关联交易预计额度进行了审 慎核查，具体情况如下： 一、日常关联交易基本情况 （一）日常关联交易概述 2025 年 12 月 25 日，长华化学召开第四届董事会独立董事 2025 年第一次专 门会议，审议通过《关于 2026 年度日常关联交易预计额度的议案》并同意将该 议案提交公司董事会审议。2025 年 12 月 29 日，公司召开第四届董事会第二次 会议，审议通过《关于 2026 年度日常关联交易预计额度的议案》，关联董事顾仁 发先生、张秀芬女士、顾磊先生对该议案回避表决。公司及其子公司因日常经营 业务及项目建设需要，预计在 2026 年度与关联方江苏长顺集团有限公司控 ...

证券代码：301518 证券简称：长华化学 公告编号：2025-097 长华化学科技股份有限公司 关于 2026 年度日常关联交易预计额度的公告 本公司及董事会全体成员保证信息披露内容真实、准确和完整，没有虚假记 载、误导性陈述或重大遗漏。 一、日常关联交易基本情况 （一）日常关联交易概述 2025 年 12 月 25 日，长华化学科技股份有限公司（以下简称"公司"）召 开第四届董事会独立董事 2025 年第一次专门会议，审议通过《关于 2026 年度日 常关联交易预计额度的议案》并同意将该议案提交公司董事会审议。2025 年 12 月 29 日，公司召开第四届董事会第二次会议，审议通过《关于 2026 年度日常关 联交易预计额度的议案》，关联董事顾仁发先生、张秀芬女士、顾磊先生对该议 案回避表决。公司及其子公司因日常经营业务及项目建设需要，预计在 2026 年 度与关联方江苏长顺集团有限公司控制的部分企业发生日常经营性关联交易，交 易金额合计不超过 5,950.00 万元。 董事会授权公司管理层可根据实际业务需要，公司与子公司在同一控制下的 不同关联方之间内部调剂使用关联交易额度（包括不同关联交易类别之间的 ...

长华化学科技股份有限公司 证券代码：301518 证券简称：长华化学 公告编号：2025-098 第四届董事会第二次会议决议公告 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 1、长华化学科技股份有限公司（以下简称"公司"）第四届董事会第二次会议 的会议通知于 2025 年 12 月 26 日通过邮件等方式送达各位董事，通知中包括会议的 相关材料，同时列明了会议的召开时间、地点、内容和方式。 2、本次董事会于 2025 年 12 月 29 日在公司 4 楼董事会会议室，以现场及电子 通信相结合的方式召开。 3、本次董事会应出席董事 9 名，实际出席董事 9 名，其中董事顾磊、陈殿胜、 赵彬、张凌以电子通信方式出席会议。 4、本次董事会由董事长顾仁发先生召集并主持，公司全体高级管理人员列席了 本次董事会。 5、本次会议的召集、召开和表决程序符合《中华人民共和国公司法》等法律法 规和《公司章程》的有关规定。 非关联董事通过审核公司提交的相关资料，并进行必要的调查、质询并咨询公 司相关人员，认为：公司 2026 年度拟发生的日常关联交易预 ...

Group 1 - The chemical industry is showing signs of partial recovery, but has not yet reached a bottom rebound, with significant "involution" still present [2] - Longhua Chemical's performance has improved significantly, with a net profit of approximately 76.07 million yuan for the first three quarters of 2025, a year-on-year increase of 127.81% [3] - The company emphasizes the importance of sustainable development in its product research and development, focusing on biodegradable materials [4] Group 2 - Longhua Chemical has established a comprehensive technical system from basic research to industrialization, with over 40 R&D personnel and collaborations with universities [4][6] - The company has developed a third-generation phosphazene catalyst technology that enhances the comfort of automotive seating by reducing mid-frequency vibrations [6][7] - Longhua Chemical exports about 20% of its products annually and is focusing on expanding into the European market, adapting strategies for different regional market characteristics [8]

Core Viewpoint - The chemical industry is showing signs of partial recovery, but has not yet reached a bottom rebound, with significant "involution" still present. A notable round of mergers and acquisitions is expected before a true stabilization occurs [1] Group 1: Industry Overview - The chemical industry still faces an overall surplus of mid-to-low-end capacity, but there is strong demand for fine chemical products related to emerging industries [2] - The company reported a significant recovery in performance, with a revenue of approximately 1.991 billion yuan for the first three quarters of 2025, a year-on-year decrease of 9.31%, while net profit attributable to shareholders reached approximately 76.07 million yuan, a year-on-year increase of 127.81% [2] - The increase in net profit is attributed to a significant recovery in gross margin due to changes in raw material prices, the gradual market introduction of new products, and an increase in the sales proportion of high-value-added products [2] Group 2: R&D and Sustainability - The company emphasizes the importance of meeting customer, shareholder, and employee demands while fulfilling tax obligations and focusing on sustainable development [3] - The company has established a research institute since its inception, employing over 40 R&D personnel, including PhDs and foreign experts, and collaborates with universities for industry-academia research [3] - The company has developed a comprehensive technology system from basic research to industrialization, achieving leading core technology capabilities in key areas such as molecular structure design and polymerization processes [3] Group 3: Green and Low-Carbon Initiatives - The company's R&D focuses on catalyst upgrades, high-performance automotive polyethers, and the development of green, low-carbon, and recyclable functional materials [4] - The company has made significant advancements in catalyst technology, which can lead to substantial value once breakthroughs are achieved [4] - The company has developed a third-generation phosphazene catalyst technology, resulting in high-purity white crystalline products, with 10 invention patents and 1 international patent [5] Group 4: International Expansion - The company exports approximately 20% of its products globally and is focusing on expanding into the European market [6] - The overseas chemical market can be divided into two core types based on technological levels and demand characteristics, requiring targeted strategies for maximizing global layout benefits [6] - In underdeveloped regions, the company can leverage its mature processes and stable supply to achieve significant sales, while in developed regions, it must focus on high-end product technology and diverse application scenarios to meet stringent quality requirements [6]

Core Viewpoint - The collaboration between Suzhou University and Changhua Chemical aims to advance the industrialization and scaling of ionic liquid technology through the establishment of a joint laboratory, marking a significant step in their partnership [1][2]. Group 1: Company Initiatives - Changhua Chemical emphasizes its commitment to technological innovation as a driving force for the transformation and upgrading of traditional industries, planning to increase investment in research and development [1]. - The company aims to build a comprehensive innovation system that includes basic research, technology development, and industrial application, aspiring to become a benchmark for green and low-carbon development in Zhangjiagang [1]. - The chairman of Changhua Chemical highlighted the new phase of cooperation with Suzhou University, focusing on resource synergy and the establishment of the joint laboratory as a hub for talent incubation and industry application [1]. Group 2: Academic and Government Support - Suzhou University aims to transform research outcomes into practical productivity, promoting a deep integration of industry needs and scientific innovation through the joint laboratory [2]. - The local government supports the collaboration as part of a broader strategy to enhance new productive forces and facilitate the integration of industry, academia, and research [2]. - Future initiatives will focus on diverse applications of ionic liquid technology, including functional polyethers, green catalysis, and sustainable materials, contributing to the development of a green and circular chemical materials ecosystem [2].

格隆汇12月16日丨长华化学(301518.SZ)在投资者互动平台表示，公司不涉及MDI的生产。 ...

（文章来源：证券日报） 证券日报网讯 12月15日，长华化学在互动平台回答投资者提问时表示，公司高度重视对投资者的合理 投资回报，公司将根据分红政策并兼顾可持续发展需要，实施利润分配。 ...

（文章来源：每日经济新闻） 每经AI快讯，有投资者在投资者互动平台提问：请问贵司投资的二氧化碳聚醚一期项目目前进展如 何，预计是2025年第四季度投产，目前是什么进度？ 长华化学（301518.SZ）12月10日在投资者互动平台表示，公司全资子公司长华化学科技（连云港）有 限公司的"新建二氧化碳聚醚及高性能多元醇一期项目"目前处于建设阶段的尾期，后续投产进度将结合 现场实况与公司整体规划统筹安排，并及时履行信息披露义务。 ...

6-1-1 | 1 | 审计报告 | 1—5 | | --- | --- | --- | | ា វ្ | 财务报表 | | | l、 | 合并资产负债表、母公司资产负债表 | 1-4 | | 2、 | 合并利润表、母公司利润表 | ર-- | | 3、 | 合并现金流量表、母公司现金流量表 | 7-8 | | 4、 | 合并股东权益变动表、母公司股东权益变动表 | 9-14 | | 5、 | 财务报表附注 | 1-123 | 6-1-2 我们认为,后附的财务报表在所有重大方面按照企业会计准则的规定编制，公 允反映了长华化学 2022 年 12 月 31 日、2023 年 12 月 31 日及 2024 年 12 月 31 日的 合并及母公司财务状况以及 2022 年度、2023 年度及 2024 年度的合并及母公司经营 成果和现金流量。 二、形成审计意见的基础 我们按照中国注册会计师审计准则的规定执行了审计工作。审计报告的"注册 会计师对财务报表审计的责任"部分进一步阐述了我们在这些准则下的责任。按照 中国注册会计师职业道德守则,我们独立于长华化学,并履行了职业道德方面的其 他责任。我们相信,我们获取的审计 ...