Core Insights - In September 2025, a total of 47 listed companies in Shanghai, Shenzhen, and Beijing announced changes to their auditing firms, indicating a significant shift in the auditing landscape [3][6]. Group 1: Changes in Auditing Firms - Notable changes include companies like Xiaoxin Environment switching from Xinyong Zhonghe to Deloitte, and Jian Tai Technology moving from Zhonghua to PwC Zhongtian [4][5]. - The audit fees for 2024 for these companies varied, with Xiaoxin Environment paying 4.96 million yuan and Jian Tai Technology paying 4.5 million yuan [4]. Group 2: Client Changes Among Audit Firms - The firm with the largest decrease in clients was Lixin, losing 7 clients, while Rongcheng gained the most clients, increasing by 6 [6][8]. - The detailed statistics show that Lixin and Rongcheng were the most affected firms in terms of client changes, reflecting a competitive shift in the auditing market [6][9].

Key Points - The revenue from products used for controlled nuclear fusion at Ha Huan Huatong accounts for less than 1% of total revenue [1] - Dongyangguang expects a net profit increase of 171.08% to 199.88% in the first three quarters [2] - Lianhua Holdings anticipates a net profit increase of 51.39% to 69.55% in the first three quarters [5] - Allwinner Technology projects a net profit growth of 72.2% to 92.06% year-on-year for the first three quarters [5] - Northern Rare Earth expects a net profit increase of 272.54% to 287.34% in the first three quarters [5] - Strong瑞 Technology's controlling shareholder and its concerted parties plan to reduce their holdings by no more than 3% [5] - East China Airlines Logistics' shareholder Tianjin Ruiyuan intends to reduce holdings by no more than 15.8756 million shares [5] - New Light Optoelectronics' actual controller and director Kang Lixin plans to increase holdings by 5 million to 10 million yuan [5] - Jiulian Technology plans to raise no more than 182 million yuan through a private placement [5] - Jingu Co. signed a strategic cooperation agreement with Ninebot [5]

Core Viewpoint - *ST Guohua (000004.SZ) announced that its wholly-owned subsidiary, Beijing Zhiyou Network Security Technology Co., Ltd., has won the bid for the "Kelong Cloud Intelligent Computing Center Phase II Section 3" project, with a bid price of 235.67767 million yuan [1] Group 1 - The bidding was conducted by Xinjiang Kelong Cloud Computing Digital Technology Co., Ltd. [1] - The public announcement of the bid winners was made on September 29, 2025, by the China Tendering and Bidding Public Service Platform [1] - The company received the "Notice of Winning the Bid," confirming its status as the winning bidder for the project [1]

Core Viewpoint - *ST Guohua has been awarded a contract for the "Kelong Cloud Intelligent Computing Center Phase II Section 3" project with a bid price of 236 million yuan [1] Group 1 - The company’s wholly-owned subsidiary, Beijing Zhiyou Network Security Technology Co., Ltd., received the "Notice of Winning Bid" [1] - The project awarded to the company is part of a larger initiative in the intelligent computing sector [1]

证券代码：000004 证券简称：*ST 国华 公告编号：2025-076 深 圳 国 华 网 安 科 技 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.案件所处的诉讼阶段：广东省深圳市中级人民法院已出具判决及生效证明，被告尚未 执行相关判决。 2.上市公司所处的当事人地位：原告 3.涉案的金额：上市公司股份 471,748 股及 253,761,436.19 元 4.对上市公司损益产生的影响：目前案件已经审理终结，其对公司本期利润或期后利润 的影响需结合案件执行情况而确定，公司将依据有关会计准则的要求和案件后续进展情况进 行相应的会计处理。 关于重大诉讼的进展公告 本次诉讼的执行情况仍具有较大不确定性，对公司本期利润或期后利润的影 响需结合案件执行情况而定，公司将依据有关会计准则的要求和案件后续进展情 况进行相应的会计处理。 公司将严格按照《深圳证券交易所股票上市规则》的有关要求及时对本次诉 讼事项的进展情况履行信息披露义务，敬请广大投资者注意投资风险。 一、本次重大诉讼的基本情况 深圳国华网安科技股份有限公司（以下 ...

一、中标项目概况 证券代码：000004 证券简称：*ST 国华 公告编号：2025-075 深 圳 国 华 网 安 科 技 股 份 有 限 公 司 关 于 收 到 中 标 通 知 书的 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。 特别提示： 公司全资子公司北京智游网安科技有限公司已收到中标通知书，截至本公告披露日，尚未 签署相关项目合同，合同签订时间及合同内容均存在不确定性，敬请广大投资者注意投资风险。 公司将根据相关事项后续进展情况履行相应的信息披露义务。 深圳国华网安科技股份有限公司（以下简称"公司"）全资子公司北京智游 网安科技有限公司此前参与了"克融云智算中心二期三标段"项目的投标，招标单 位为新疆克融云算数字科技有限公司。2025 年 9 月 29 日，中国招标投标公共服务 平台（http://www.cebpubservice.com）发布了相关中标候选人公示，北京智游网安 科技有限公司为第一名中标候选人，具体内容详见公司于 2025 年 9 月 30 日披露 的《关于项目预中标的提示性公告》（公告编号：2025-074）。近日，北京 ...

Group 1 - Pingzhi Information has been selected as the eighth candidate for the "2025 China Unicom General Server Centralized Procurement Project" with a bid amount of approximately 451 million yuan [1] - The project involves the procurement of general servers primarily for cloud computing infrastructure [1] - Pingzhi Information was established in November 2002 and focuses on communication equipment, computing power, and operator equity products [1] Group 2 - Betta Pharmaceuticals has submitted an application for the issuance of H shares and listing on the Hong Kong Stock Exchange [2] - Betta Pharmaceuticals was founded in January 2003 and specializes in the production and sales of innovative drugs [2] Group 3 - Guangli Micro plans to sign an agreement with Zhejiang University to establish a joint research center for silicon photonics technology and measurement equipment [3] - The company will invest no less than 15 million yuan over three years for the center's development [3] - Guangli Micro was founded in August 2003 and provides a range of services including integrated circuit manufacturing and design [3] Group 4 - Shanhe Pharmaceutical's controlling shareholder and actual controller has changed due to the passing of Yin Zhenglong, with his wife and daughter inheriting shares [4] - After the change, Wu Changhong holds 20.172% of the total shares, while Yin Zhiya holds 6.724% [4] - Shanhe Pharmaceutical was established in April 2001 and focuses on the research, production, and sales of pharmaceutical excipients [5] Group 5 - Hengwei Technology plans to acquire 75% of Shanghai Shuhang Information Technology Co., Ltd. through a combination of share issuance and cash payment [6] - The acquisition will make Shuhang Technology a subsidiary of Hengwei Technology [6] - Hengwei Technology was founded in March 2003 and specializes in intelligent system solutions [7] Group 6 - Shougang Co. intends to repurchase its A-shares for an amount between 260 million yuan and 520 million yuan [8] - The repurchase will be used for implementing an equity incentive plan [8] - Shougang Co. was established in October 1999 and focuses on the production and sales of steel products [9] Group 7 - Pulit plans to build a 6GWh sodium-ion battery production base in Sichuan with a total investment of approximately 800 million yuan [10] - The project will be constructed in two phases, with the first phase having a capacity of 2GWh [10] - Pulit was founded in October 1999 and specializes in high polymer new materials and battery production [10] Group 8 - Saisir has proposed a cash dividend of 3.1 yuan per 10 shares for its A-share shareholders [10] - Saisir was established in May 2007 and focuses on the research, manufacturing, and sales of new energy vehicles [10] Group 9 - Guangyang Co. plans to establish a wholly-owned subsidiary for the development of precision components for robots [11] - The investment is part of a project to produce high-end components for new energy vehicles and robots [11] - Guangyang Co. was founded in April 1995 and specializes in precision components for various vehicles and equipment [11] Group 10 - Conch New Materials intends to acquire a 51% stake in North China Industrial Plastics Co., Ltd. for approximately 95.27 million yuan [12] - The acquisition will make North China Plastics a subsidiary of Conch New Materials [12] - Conch New Materials was established in October 1996 and focuses on the production and sales of plastic profiles and aluminum profiles [12] Group 11 - Daikin Heavy Industries has submitted an application for H-share issuance and listing on the Hong Kong Stock Exchange [13] - The company specializes in the production and sales of offshore wind power equipment [13] - Daikin Heavy Industries was founded in September 2003 [13] Group 12 - Tengya Precision plans to invest up to 8 million USD to establish a subsidiary in Vietnam for the production of garden robots and electric tools [14] - The project will involve leasing a factory in Dong Nai Province [14] - Tengya Precision was established in August 2000 and focuses on power tools and building hardware [15] Group 13 - Luoxin Pharmaceutical plans to raise up to 207 million yuan through a private placement for innovative drug research and development [16] - The funds will primarily support clinical research for specific innovative drugs [16] - Luoxin Pharmaceutical was founded in May 1998 and specializes in pharmaceutical product development [17] Group 14 - *ST Guohua's subsidiary has become the first candidate for a project with a bid of 236 million yuan [18] - The project involves a 90-day construction period [18] - *ST Guohua was established in May 1986 and focuses on mobile network security [19] Group 15 - Su Chen Technology plans to acquire 60% of Likong Technology for a total price of 192 million yuan [20] - The acquisition will make Likong Technology a secondary subsidiary of Su Chen Technology [20] - Su Chen Technology was founded in February 2006 and specializes in CAE software development [21] Group 16 - Qingmu Technology's major shareholder plans to reduce their stake by up to 276,000 shares [22] - The reduction is due to the shareholder's financial needs [22] - Qingmu Technology was established in August 2009 and provides comprehensive e-commerce operation services [23] Group 17 - Tongda Sea plans to acquire 40% of Jiangsu Sufuda Data Technology Co., Ltd. for 25.64 million yuan [24] - The acquisition will result in Tongda Sea holding 100% of Sufuda [24] - Tongda Sea was founded in March 1995 and provides information technology services for electronic government affairs [24] Group 18 - Rongsheng Development has signed a memorandum of cooperation to promote the development of the seaplane industry [25] - The cooperation will focus on infrastructure construction and talent training [25] - Rongsheng Development was established in December 1996 and specializes in real estate development [26] Group 19 - Jinma Amusement plans to repurchase 16.52% of its subsidiary for 60 million yuan [28] - The repurchase will convert the subsidiary into a wholly-owned entity [28] - Jinma Amusement was founded in November 2007 and focuses on amusement facilities and projects [28] Group 20 - Huilv Ecology plans to acquire 49% of Junheng Technology for 1.127 billion yuan [29] - The acquisition will make Junheng Technology a wholly-owned subsidiary [29] - Huilv Ecology was established in January 1990 and specializes in optical communication products and landscape engineering [30]

Core Viewpoint - *ST Guohua (000004.SZ) announced that its wholly-owned subsidiary, Beijing Zhiyou Network Security Technology Co., Ltd., recently participated in the bidding for the "Kelong Cloud Intelligent Computing Center Phase II Section 3" project, with a bid amount of 235.68 million yuan [1] Group 1 - The bidding was conducted for a project by Xinjiang Kelong Cloud Computing Digital Technology Co., Ltd. [1] - The public announcement of the bid candidates was released on September 29, 2025, by the China Tendering and Bidding Public Service Platform [1]

人民财讯9月29日电，*ST国华(000004)9月29日公告，公司全资子公司北京智游网安科技有限公司于近 日参与了"克融云智算中心二期三标段"项目的投标，招标单位为新疆克融云算数字科技有限公司。2025 年9月29日，中国招标投标公共服务平台发布了相关中标候选人公示。第一名中标候选人为北京智游网 安科技有限公司，投标报价约为2.36亿元。 转自：证券时报 ...

证券代码：000004 证券简称：*ST 国华 公告编号：2025-074 深 圳国 华网 安 科技 股 份 有 限 公 司 5.投标报价：23567.767 万元 本项目仍处于中标候选人公示阶段，其获取中标通知书、签约等后续工作尚具有一定 不确定性，敬请广大投资者注意投资风险。公司将根据相关事项后续进展情况履行相应的 信息披露义务。 深圳国华网安科技股份有限公司（以下简称"公司"）全资子公司北京智游网 安科技有限公司于近日参与了"克融云智算中心二期三标段"项目的投标，招标单 位为新疆克融云算数字科技有限公司。2025 年 9 月 29 日，中国招标投标公共服务 平台（http://www.cebpubservice.com）发布了相关中标候选人公示。现将具体预 中标情况提示如下： 一、预中标项目概况 1.招标单位名称：新疆克融云算数字科技有限公司 2.招标代理机构名称：新疆安致恒工程项目管理有限公司 3.项目名称：克融云智算中心二期三标段 4.第一名中标候选人：北京智游网安科技有限公司 关 于项 目 预 中 标的 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 ...