Core Viewpoint - The company, Donghua Technology, clarified that it does not produce carbon fiber reinforced PPS sheets and is primarily an engineering firm providing comprehensive services for domestic and international projects [1] Group 1: Company Operations - Donghua Technology is a comprehensive engineering company that offers consulting, design, construction, general contracting, and operational services for various projects [1] - The company is currently constructing a graphene-based high-performance materials demonstration project, which aims to produce 200 tons of graphene powder and 4,000 tons of graphene functional slurry annually [1]

Group 1 - The company, Donghua Technology (002140.SZ), is a comprehensive engineering firm providing consulting, design, construction, general contracting, and operational services for domestic and international projects [1] - The company does not produce carbon fiber reinforced PPS boards [1] - Currently, the company is constructing a graphene-based high-performance materials demonstration project, which includes an annual production capacity of 200 tons of graphene powder and 4,000 tons of graphene functional slurry [1]

证券代码：002140 证券简称：东华科技 公告编号：2025-066 东华工程科技股份有限公司 关于召开 2025 年第三次临时股东会的提示性公告 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。 按照中国证监会关于加强社会公众股股东权益保护的相关规定，公 司现将 2025 年第三次临时股东会有关事项再次公告如下： 一、召开会议的基本情况 1.股东会届次：2025年第三次临时股东会 2.召集人：本公司董事会 3.会议召开的合法、合规性：本次股东会依据第八届董事会第十二 次会议决议而召开；本次股东会的召集、召开符合《中华人民共和国公 司法》《深圳证券交易所股票上市规则》《深圳证券交易所上市公司自 律监管指引第 1 号——主板上市公司规范运作》等法律、行政法规、部 门规章、规范性文件及《公司章程》的有关规定。 4.会议时间： （1）现场会议时间：2025年12月31日15:30 （2）网络投票时间：通过深圳证券交易所系统进行网络投票的具 体时间为2025年12月31日9:15-9:25，9:30-11:30，13:00-15:00；通过 深圳证券交易所互联网投票系 ...

证券代码：002140 证券简称：东华科技 公告编号：2025-065 东华工程科技股份有限公司关于财务总监、 总法律顾问、首席合规官顾建安先生离任的公告 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。 顾建安先生在任职期间恪尽职守、勤勉尽责，本公司董事会对顾建 安先生在财务管理、合规运营、资本运作等方面所做出的贡献致以衷心 的感谢。 特此公告。 东华工程科技股份有限公司董事会 2025 年 12 月 23 日 2025 年 12 月 22 日，东华工程科技股份有限公司（以下简称"本公 司"）董事会收到顾建安先生的书面辞职报告。鉴于已调任中国化学工 程股份有限公司（注：系本公司控股股东）其他所属企业工作，顾建安 先生请求辞去所担任的本公司财务总监、总法律顾问、首席合规官职务。 顾建安先生在辞职报告中声明，在任职期间，与本公司董事会、经理层 人员合作良好，无意见分歧，并对本公司给予的工作支持致以感谢。 根据《公司法》和本公司《章程》的规定，顾建安先生的辞呈自送 达董事会之日生效，即于 2025 年 12 月 22 日起不再担任本公司财务总 监、总法律顾问、首席合 ...

Core Viewpoint - Donghua Technology announced the resignation of Gu Jianan from his positions as Chief Financial Officer, General Counsel, and Chief Compliance Officer, effective December 22, 2025, due to his reassignment to another company under China National Chemical Engineering Group [1] Group 1 - Gu Jianan's resignation will not affect the normal production and operation of the company [1] - The company will promptly initiate the process to appoint a new Chief Financial Officer and General Counsel [1] - Gu Jianan has completed the necessary work handover prior to his departure [1]

Core Viewpoint - Donghua Technology's stock has shown a positive performance with a year-to-date increase of 19.53%, reflecting strong market interest and operational growth [1][2]. Group 1: Stock Performance - As of December 23, Donghua Technology's stock price reached 11.63 yuan per share, with a market capitalization of 8.234 billion yuan [1]. - The stock has experienced a 4.12% increase over the last five trading days, a 6.21% increase over the last 20 days, and a 6.40% increase over the last 60 days [1]. - The company has appeared on the "龙虎榜" (a list of stocks with significant trading activity) twice this year, with the most recent appearance on September 29 [1]. Group 2: Financial Performance - For the period from January to September 2025, Donghua Technology reported a revenue of 6.795 billion yuan, representing a year-on-year growth of 5.61% [2]. - The net profit attributable to shareholders for the same period was 365 million yuan, showing a year-on-year increase of 14.97% [2]. Group 3: Shareholder Information - As of December 19, the number of shareholders for Donghua Technology was 32,700, a decrease of 0.70% from the previous period [2]. - The average number of circulating shares per shareholder increased by 0.70% to 21,639 shares [2]. - The top ten circulating shareholders include Hong Kong Central Clearing Limited, which increased its holdings by 72,800 shares, and Western Benefit Carbon Neutral Mixed Fund, which is a new entrant among the top ten shareholders [3].

证券日报网讯12月22日，东华科技（002140）在互动平台回答投资者提问时表示，截至12月19日下午收 市，本公司股东人数约为3.267万户。 ...

证券日报网讯12月15日晚间，东华科技（002140）发布公告称，公司定于2025年12月31日召开2025年第 三次临时股东会。 ...

格隆汇12月15日丨东华科技(002140.SZ)公布，公司拟在上海联合产权交易所通过公开挂牌方式转让所 持水矿股份0.2472%的股权，计594.9029万股。以资产评估结果作为定价依据，水矿股份股东全部权益 评估价值为891,720.97万元，本公司本次转让的股权交易底价为"评估净资产891,720.97万元/总股本 240643.0273万股*594.9029万股=2,204.457769万元"。最终成交价格以在上海联合产权交易所摘牌价为 准。 ...

智通财经APP讯，东华科技(002140.SZ)公告，公司董事会审议通过《关于拟公开挂牌转让所持有贵州水 城矿业股份有限公司0.2472%股权的议案》，同意公司通过在产权交易所公开挂牌方式，转让所持参股 公司水矿股份的股权。 公司拟在上海联合产权交易所通过公开挂牌方式转让所持水矿股份0.2472%的股权，计594.9029万股。 本次转让的股权交易底价为2204.457769万元。公告称，本次股权转让有利于适度防范投资风险，优化 资源配置。 ...