科华控股股份有限公司 内幕信息知情人登记管理制度 二○二五年十一月 1 第一章 总则 第一条 为了进一步规范科华控股股份有限公司（以下简称"公司"）内幕 信息管理行为，加强公司内幕信息保密工作，维护信息披露的公平原则，根据《中 华人民共和国公司法》《中华人民共和国证券法》（以下简称"《证券法》"） 《上市公司信息披露管理办法》《上市公司监管指引第5号——上市公司内幕信 息知情人登记管理制度》《上海证券交易所上市公司自律监管指引第2号——信 息披露事务管理》等有关法律法规以及《科华控股股份有限公司章程》（以下称 "《公司章程》"）的相关规定，结合公司实际情况，制定本制度。 第二条 本制度适用于本公司下属各部门及分公司、控股子公司及公司能够 对其实施重大影响的参股公司。 第二章 内幕信息及内幕信息知情人 （五）公司收购人或者重大资产交易方及其控股股东、实际控制人、董事、 监事、高级管理人员； 第三条 本制度所称内幕信息知情人，是指《证券法》第五十一条规定的， 在公司内幕信息公开前能直接或者间接获取内幕信息的人员，包括但不限于： （一）公司及其董事、高级管理人员； （二）持有公司5%以上股份的股东及其董事、监事、高 ...

内部审计制度 二○二五年十一月 1 第一章 总 则 第一条 为加强对科华控股股份有限公司（以下简称"公司"）的内部监督和 风险控制，保障公司财务管理、会计核算和生产经营符合国家各项法律法规要求， 维护投资者的合法权益，根据《中华人民共和国公司法》《中华人民共和国证券法》 《中华人民共和国审计法》《审计署关于内部审计工作的规定》《上海证券交易所 股票上市规则》《上海证券交易所上市公司自律监管指引第 1 号——规范运作》等 法律、行政法规、部门规章和规范性文件以及《科华控股股份有限公司章程》（以 下简称"《公司章程》"）的有关规定制定本制度。 科华控股股份有限公司 第二条 本制度所称内部审计，是指公司内部审计机构或内部审计人员依据国 家有关法律法规、财务会计制度和公司内部管理规定，对公司各内部机构、控股子 公司以及具有重大影响的参股公司财务收支、资产质量、经营绩效以及建设项目的 真实性、合法性和效益性进行监督和评价工作。 第三条 本制度适用于公司各内部机构、控股子公司以及具有重大影响的参股 公司。 第二章 审计机构和审计人员 第四条 公司设立审计监察部（即内部审计机构），对公司的业务活动、风险 管理、内部控制、财 ...

董事会审计委员会工作规则 第一章 总则 第二章 人员组成与职责 1 第一条 为规范科华控股股份有限公司（以下简称"公司"）董事会决策功 能，实现对公司财务收支和各项经营活动的有效监督，充分发挥公 司内部控制制度的独立性、有效性，保护全体股东及利益相关者的 权益，公司特设董事会审计委员会(以下简称"本委员会")，作为 负责公司内、外部审计的沟通、监督和核查工作的专门机构。 第二条 为确保本委员会规范、高效地开展工作，公司董事会根据《中华人 民共和国公司法》（以下简称"《公司法》"）、《上市公司治理 准则》和《科华控股股份有限公司章程》（以下简称"《公司章 程》"）等有关规定，特制订本规则。 第三条 本委员会由三名不在上市公司担任高级管理人员的董事组成，其中 独立董事应当过半数且至少包括一名会计专业人士，并由独立董事 中的会计专业人士担任召集人。本委员会成员均须具有能够胜任本 委员会工作职责的专业知识和商业经验。 第四条 本委员会设主席一名，由独立董事中的会计专业人士担任，负责主 持委员会工作。 第五条 本委员会主席和委员由二分之一以上独立董事或全体董事的三分之 一以上提名，由公司董事会选举产生。 第六条 本委员 ...

Core Points - The company will hold an investor briefing on November 24, 2025, from 15:00 to 16:00 to discuss its Q3 2025 performance and financial indicators [2][3][4] - Investors can submit questions from November 17 to November 21, 2025, through the Shanghai Stock Exchange Roadshow Center website or via email [4][5][6] - The briefing will be conducted in a video format combined with online interaction, allowing for real-time responses to investor inquiries [3][6][7] Meeting Details - The meeting will take place at the Shanghai Stock Exchange Roadshow Center [5][6] - Key participants include the company's General Manager, Independent Director, and Financial Officer [4][5] - Investors can access the meeting online and view the main content afterward on the Roadshow Center website [7]

科华控股股份有限公司 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 重要内容提示： （网址：https://roadshow.sseinfo.com/） 会议召开方式：上证路演中心视频录播和网络互动 投资者可于 2025 年 11 月 17 日（星期一）至 11 月 21 日（星期五）16:00 前登录上证路演中心网站首页点击"提问预征集"栏目或通过公司邮箱 zqsw@khmm.com.cn 进行提问。公司将在说明会上对投资者普遍关注的问题进行 回答。 科华控股股份有限公司（以下简称"公司"）已于 2025 年 10 月 31 日发布 公司 2025 年第三季度报告，为便于广大投资者更全面深入地了解公司 2025 年第 三季度经营成果、财务状况，公司计划于 2025 年 11 月 24 日（星期一）15:00-16:00 举行 2025 年第三季度业绩说明会，就投资者关心的问题进行交流。 证券代码：603161 证券简称：科华控股 公告编号：2025-074 关于召开 2025 年第三季度业绩说明会的公告 三、参加人员 公司 ...

Group 1 - Digital Zhengtong's subsidiary Baoding Jindi won a bid for a smart water project in Jinan, with a total contract value of 109 million yuan, of which Baoding Jindi's share is approximately 77 million yuan [1] - Lingzhi Software plans to acquire 100% equity of Kaimiride through a combination of cash and stock issuance, with the final transaction price yet to be determined [1] - Tianjin Port's subsidiary plans to transfer 60% equity of China Railway Storage and Transportation, with an estimated value of 37.54 million yuan for the entire equity [2] Group 2 - New Wufeng reported a 56.97% year-on-year increase in pig sales in October, selling 610,000 pigs [3] - New Peng Co. announced a joint investment of approximately 15 million USD with Jabil to build a battery storage box project in Thailand [4] - Maiwei Bio received approval for a clinical trial of its 9MW3811 injection for pathological scars [6] Group 3 - Jiangsu Sopo completed maintenance and resumed production of its methanol and acetic acid facilities [8] - Luoniushan reported a 24.65% year-on-year increase in pig sales revenue in October, totaling 116 million yuan [9][10] - Zhongbei Communication signed a 1 billion yuan comprehensive computing service framework agreement with Xiamen Hongxin Electronics [11] Group 4 - Huayang New Materials announced the resignation of its general manager, Wu Yuehua [12] - Zhongxin Co. used 50 million yuan of idle funds to purchase structured deposits with expected annual returns between 0.55% and 2.05% [14] - Huajian Group's subsidiary signed a construction engineering design contract worth 96.54 million yuan [16] Group 5 - Jianyou Co. received FDA approval for a new production site for its injectable drug [17] - Beilu Pharmaceutical obtained a drug registration certificate for its iodine mepivacaine injection, which is included in the national medical insurance catalog [19] - *ST Yuancheng's stock will be suspended due to falling below the market cap threshold for delisting [20] Group 6 - Xiantan Co. reported a 9.3% year-on-year increase in chicken product sales revenue in October, totaling 503 million yuan [21] - Huanxu Electronics reported an 8.93% year-on-year decrease in consolidated revenue for October, amounting to 5.598 billion yuan [23] - Yisheng Co. reported a 22.97% year-on-year decrease in white feather chicken seed sales revenue in October [25] Group 7 - Yuandong Bio initiated a Phase I/II clinical trial for its ADC drug YLSH003 targeting advanced solid tumors [25] - Xiaoming Co. reported a 34.89% year-on-year decrease in chicken product sales revenue in October [26] - Nanjiao Food reported a 5.27% year-on-year decrease in consolidated revenue for October, totaling 235 million yuan [28] Group 8 - Chuangye Huikang announced a potential change in control, leading to a temporary stock suspension [30] - Tangrenshen reported a 17.91% year-on-year decrease in pig sales revenue in October, totaling 828 million yuan [32][33] - Wancheng Group plans to distribute a cash dividend of 1.5 yuan per 10 shares to shareholders [34] Group 9 - Kangguan Technology plans to distribute a cash dividend of 3.6 yuan per 10 shares to shareholders [36] - Shoudu Online's executive plans to reduce holdings of up to 19,400 shares [38] - Maolai Optical received approval for the issuance of convertible bonds [40] Group 10 - Jinkai New Energy plans to distribute a cash dividend of 0.1 yuan per share to shareholders [41] - Tianchen Medical raised the upper limit for share repurchase to 70 yuan per share [42] - Tianmu Lake used 38 million yuan of idle funds to purchase structured deposits [43]

Core Points - The company announced the election of Mr. Tu Han as the chairman of the board and legal representative, effective from October 27, 2025 [2] - The company has completed the registration procedures for the change of legal representative and obtained a new business license from the Changzhou Administrative Service Management Office [2] Summary by Categories - **Board Changes** - Mr. Tu Han has been elected as the chairman of the board [2] - The election will take place during the 19th meeting of the fourth board session [2] - **Legal and Administrative Updates** - The company has completed the legal representative change registration [2] - A new business license has been issued following the change [2]

证券代码：603161 证券简称：科华控股 公告编号：2025-073 科华控股股份有限公司 特此公告。 科华控股股份有限公司董事会 2025 年 11 月 10 日 1 关于完成法定代表人工商变更登记的公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 科华控股股份有限公司（以下简称"公司"）于 2025 年 10 月 27 日召开第 四届董事会第十九次会议，审议通过了《关于选举公司第四届董事会董事长的议 案》，经审议，董事会同意选举涂瀚先生为公司第四届董事会董事长，任期自本 次董事会会议审议通过之日起至第四届董事会任期届满之日止。根据《科华控股 股份有限公司章程》，公司董事长是代表公司执行公司事务的董事，为公司法定 代表人，涂瀚先生自本次董事会审议通过之日起担任公司法定代表人。具体内容 详见公司 2025 年 10 月 28 日披露于上海证券交易所网站（www.sse.com.cn）的 《科华控股股份有限公司关于董事长离任暨选举新任董事长的公告》（公告编号： 2025-071）。 近日，公司已完成法定代表人工商变更登记手 ...

Core Insights - Kewah Holdings, established in June 2002 and listed on the Shanghai Stock Exchange in January 2018, is a significant player in the turbocharger key components sector, showcasing strong R&D and production capabilities, indicating notable investment value [1] Financial Performance - In Q3 2025, Kewah Holdings achieved a revenue of 1.666 billion yuan, ranking 42nd among 103 companies in the industry, with the industry leader, Weichai Power, reporting revenue of 170.571 billion yuan [2] - The company's net profit for the same period was 80.011 million yuan, placing it 60th in the industry, while the top performer, Weichai Power, reported a net profit of 10.852 billion yuan [2] Financial Ratios - As of Q3 2025, Kewah Holdings had a debt-to-asset ratio of 48.95%, down from 54.04% year-on-year, which is above the industry average of 39.06% [3] - The gross profit margin for the period was 14.58%, a decrease from 16.61% year-on-year, and below the industry average of 21.53% [3] Management and Governance - The chairman, Tu Han, holds multiple significant positions across various companies, while the general manager, Zong Lou, saw a salary reduction from 1.3856 million yuan in 2023 to 1.2538 million yuan in 2024, a decrease of 131,800 yuan [4] Shareholder Dynamics - As of September 30, 2025, the number of A-share shareholders decreased by 4.05% to 17,300, while the average number of circulating A-shares held per shareholder increased by 4.22% to 11,000 [5] Market Outlook - Dongxing Securities noted that Kewah Holdings faced pressure on profitability due to a decline in gross margin and increased asset impairment provisions, alongside challenges from reduced overseas demand and falling product prices [5] - The firm projects net profits for 2025-2027 to be 120 million, 150 million, and 180 million yuan, respectively, with corresponding EPS of 0.64, 0.77, and 0.93 yuan [5]

Group 1 - The core point of the article is that Kehua Holdings reported its Q3 2025 financial results, showing a revenue increase and a rise in net profit compared to the previous year [1] - The company achieved a revenue of 586,364,920.12 yuan in Q3 2025, representing a year-on-year growth of 3.90% [1] - The net profit attributable to shareholders of the listed company was 26,121,384.51 yuan, reflecting a year-on-year increase of 7.92% [1]