Core Viewpoint - The company, Dongfang Yuhong, is focusing on developing key technologies for marine engineering equipment protection, addressing common challenges in harsh marine environments [2] Group 1: Company Initiatives - The company has established Hongjia Industrial Coating Co., Ltd. in 2022, which focuses on industrial corrosion protection and breakthroughs in marine engineering technologies [2] - A high-performance protection system developed by Hongjia Industrial Coating has successfully passed the international NORSOK M501 certification, which is recognized as a stringent standard for corrosion testing in marine structures [2] - The company has formed a joint laboratory with Zhanjiang Bay Laboratory to advance key technologies in marine anti-corrosion and anti-fouling materials, creating an efficient cycle from technology research and development to results transformation [2]

Group 1 - The company, Dongfang Yuhong, has won a bid for the construction and procurement of waterproof and anti-corrosion materials for a major production workshop in the China Six Metallurgy's rare earth smelting separation project [2]

Core Viewpoint - The company Dongfang Yuhong (002271) has achieved NORSOK M501 certification for its subsidiary Hongjia Industrial Coatings, indicating its capability to serve high-end marine engineering projects globally [1] Group 1: Company Developments - Hongjia Industrial Coatings focuses on breakthroughs in key technologies for industrial corrosion protection and marine engineering [1] - The high-performance protective system developed by Hongjia for harsh marine environments has successfully passed the internationally recognized NORSOK M501 certification [1] Group 2: Industry Standards - NORSOK M501 represents the strictest technical specifications for corrosion testing of heavy-duty protective coatings and is a widely adopted standard in the field of marine steel structure protection [1] - The certification is recognized as a necessary standard for new marine engineering projects and serves as an authoritative entry requirement for numerous international marine coating projects [1]

Group 1 - The company, Dongfang Yuhong (002271), reported that as of September 10, 2025, the total number of shareholders is 177,149 [1]

证券代码：002271 证券简称：东方雨虹 公告编号：2025-086 北京东方雨虹防水技术股份有限公司 关于控股股东、实际控制人及一致行动人 权益变动触及 1%整数倍的公告 股东李卫国先生及其一致行动人李兴国先生保证向本公司提供的信息内容 真实、准确、完整，没有虚假记载、误导性陈述或重大遗漏。 本公司及董事会全体成员保证公告内容与信息披露义务人提供的信息一致。 特别提示： 1、本次权益变动前，北京东方雨虹防水技术股份有限公司（以下简称"本 公司"或"公司"）控股股东、实际控制人李卫国先生及其一致行动人李兴国 先生合计持有公司股份52,551.4042万股，占公司总股本比例22.0000%。 2、本次权益变动原因：公司于2025年7月3日披露了《关于控股股东、实际 控制人减持股份预披露公告》，李卫国先生计划在本公告披露之日起15个交易 日后的3个月内（自2025年7月24日至2025年10月23日，中国证监会、深圳证券 交易所相关法律法规、规范性文件规定不得进行减持的时间和情形除外）以大 宗交易和/或集中竞价交易方式减持本公司股份不超过46,382,189股（占本公司 总股本比例不超过1.94%）。公司于20 ...

证券代码：002271 证券简称：东方雨虹 公告编号：2025-087 北京东方雨虹防水技术股份有限公司 关于为下属公司提供担保的进展公告 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、担保情况概述 （一）本次担保基本情况 1、北京东方雨虹防水技术股份有限公司（以下简称"公司"）与青岛银行 股份有限公司崂山第三支行（以下简称"青岛银行崂山第三支行"）签署《最高 额保证合同》，公司为青岛银行崂山第三支行与公司全资子公司青岛东方雨虹建 筑材料有限公司（以下简称"青岛东方雨虹"）之间签订的一系列业务合同所形 成的债权提供连带责任保证。保证期间为主合同约定的债务履行期限届满之日起 三年。前述担保的债权本金余额最高限额折合人民币 10,000 万元。 2、公司与中国民生银行股份有限公司昆明分行（以下简称"民生银行昆明 分行"）签署《最高额保证合同》，公司为民生银行昆明分行与公司全资子公司 昆明风行防水材料有限公司（以下简称"昆明风行"）之间主合同项下发生的一 系列债务提供连带责任保证，保证期间为债务履行期限届满日起三年。前述担保 的最高债权本金额为人民币 4,00 ...

Core Insights - The article highlights a trend of decreasing shareholder accounts among 803 companies, indicating a concentration of shares. Notably, 110 companies have seen a decline in shareholder accounts for more than three consecutive periods, with some like ST Huawen experiencing a drop for 12 periods, totaling a 14.42% decrease [1]. Group 1: Shareholder Account Trends - A total of 803 companies reported their latest shareholder account numbers as of September 10, with 110 companies showing a continuous decline for over three periods [1]. - ST Huawen has the highest decline, with 63,064 accounts, down 14.42% over 12 periods, while *ST Jinglun has 39,050 accounts, down 36.88% over 11 periods [1]. - Other companies with significant declines include Guotou Fengle, Su Yan Jingshen, and Dongfang Yuhong, indicating a broader trend of share concentration [1]. Group 2: Market Performance - Among the companies with declining shareholder accounts, 43 saw their stock prices increase, while 67 experienced declines. Notable gainers include Yanshang Yanshang, *ST Qingyan, and Dongfang Yuhong, with increases of 65.56%, 37.28%, and 31.03% respectively [2]. - 22 companies outperformed the Shanghai Composite Index, representing 20% of the declining shareholder accounts group, with Yanshang Yanshang, *ST Qingyan, and Lijure Neng showing relative returns of 57.48%, 28.43%, and 23.40% [2]. Group 3: Industry and Institutional Interest - The industries with the highest concentration of companies experiencing declining shareholder accounts include machinery equipment, basic chemicals, and pharmaceutical biology, with 21, 12, and 10 companies respectively [2]. - In terms of institutional interest, 17 companies with declining shareholder accounts were investigated by institutions in the past month, with Donggang Co., Dalian Heavy Industry, and Tengya Precision Engineering receiving the most attention [2].

证券代码：002271 证券简称：东方雨虹 公告编号：2025-085 北京东方雨虹防水技术股份有限公司 如上表所示，李卫国先生及其一致行动人李兴国先生合计持有本公司股份 505,897,005 股，占公司总股本的 21.18%，完成本次部分股份解除质押后，累计 质押所持公司股份为 252,852,198 股，占公司总股本的 10.59%，占其所持公司 股份的 49.98%。 关于公司控股股东部分股份解除质押的公告 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、股东部分股份解除质押基本情况 北京东方雨虹防水技术股份有限公司（以下简称"公司"）近日接到公司控 股股东、实际控制人李卫国先生函告，获悉李卫国先生所持有本公司的部分股份 办理了解除质押手续，具体事项如下： | 股东 | 是否为控股股东 或第一大股东及 | 本次解除质 押股份数量 | 占其所持 | 占公司总 | 起始日 | 解除日期 | 质权人 | | --- | --- | --- | --- | --- | --- | --- | --- | | 名称 | | | 股份比例 | 股本比例 | | ...

Group 1 - The company, Beijing Oriental Yuhong Waterproof Technology Co., Ltd., announced on September 18 that its controlling shareholder, Li Weiguo, has completed the release of a portion of his pledged shares, totaling 27.7 million shares [1] - As of the announcement date, Li Weiguo and his concerted actor, Li Xingguo, have a total of approximately 253 million pledged shares, which accounts for 49.98% of their total holdings [1]

Core Points - On September 18, Dongfang Yuhong executed a block trade of 4.17 million shares, with a total transaction value of 49.9149 million yuan, accounting for 6.81% of the total trading volume for the day [1] - The transaction price was 11.97 yuan, representing a 5% discount compared to the market closing price of 12.6 yuan [1] Summary by Category Trading Details - The block trade involved a total of 4.17 million shares at a price of 11.97 yuan per share [1] - The total transaction value was 49.9149 million yuan [1] - The trade accounted for 6.81% of the total trading volume on that day [1] Buyer and Seller Information - The buyer was Southwest Securities Co., Ltd., with specific branches involved in the transaction [2] - The seller included Guotai Junan Securities Co., Ltd., with branches also specified [2]