Group 1 - The State Intellectual Property Office of China granted a patent for a method related to deep foundation pit tower crane base reinforcement and displacement control, with the announcement number CN120006790B and application date of April 2025 [1] - Xinxiang Wanxing Road and Bridge Co., Ltd. was established in 2004, located in Xinxiang City, primarily engaged in construction decoration and other construction industries, with a registered capital of 43.448 million RMB [1] - Henan Provincial Institute of Architectural Science was established in 1994, located in Zhengzhou, primarily engaged in housing construction, with a registered capital of 51.68 million RMB [1] Group 2 - Henan Hengshi Construction Management Co., Ltd. was established in 2019, located in Zhengzhou, primarily engaged in civil engineering construction, with a registered capital of 1 million RMB [2] - Beijing Sairisi International Engineering Consulting Co., Ltd. was established in 1995, located in Beijing, primarily engaged in professional technical services, with a registered capital of 20 million RMB [2] - Xinxiang Wanxing Road and Bridge Co., Ltd. has participated in 2,768 bidding projects and holds 4 patents [1] - Henan Provincial Institute of Architectural Science has participated in 1,045 bidding projects and holds 275 patents [1] - Beijing Sairisi International Engineering Consulting Co., Ltd. has participated in 5,000 bidding projects and holds 16 patents [2]

经营范围含消防技术服务；特种设备销售；企业管理；业务培训（不含教育培训、职业技能培训等需取 得许可的培训）；五金产品零售；企业管理咨询；信息技术咨询服务；社会经济咨询服务；技术服务、 技术开发、技术咨询、技术交流、技术转让、技术推广；商务代理代办服务；劳务服务（不含劳务派 遣）；信息咨询服务（不含许可类信息咨询服务）；市场营销策划；软件开发；品牌管理；互联网数据 服务；人工智能应用软件开发；办公用品销售；教育咨询服务（不含涉许可审批的教育培训活动）；商 务秘书服务；接受金融机构委托从事信息技术和流程外包服务（不含金融信息服务）；大数据服务。 （除依法须经批准的项目外，凭营业执照依法自主开展经营活动）许可项目：特种设备检验检测；职业 中介活动。（依法须经批准的项目，经相关部门批准后方可开展经营活动，具体经营项目以相关部门批 准文件或许可证件为准） 企业名称山东同舟特种设备技术服务有限公司法定代表人方雷注册资本300万人民币国标行业科学研究 和技术服务业>专业技术服务业>工业与专业设计及其他专业技术服务地址山东省淄博市高新区柳泉路 139号齐鲁电商谷A3座802室企业类型有限责任公司（非自然人投资或控股的法人独资 ...

Group 1 - The company's stock experienced a significant price fluctuation, with a cumulative price deviation exceeding 30% over two consecutive trading days on July 23 and 24, 2025, indicating abnormal trading activity [1][2] - The stock's price deviation exceeded 100% over four consecutive trading days from July 21 to July 24, 2025, categorizing it as severe abnormal trading activity [2] - The company's current price-to-earnings (P/E) ratio stands at 170.26, which is substantially higher than the industry average P/E ratio of 36.95 for the "Professional Technical Services" sector [1][2] Group 2 - The company provides professional technical services including surveying design, planning consultation, and project management, holding various qualifications in the hydropower sector [2] - The company is closely monitoring the Yaxia Hydropower Station project but has not participated in its construction [2] - The board confirmed that there are no undisclosed significant matters or risks that could impact the company's stock price [2]

Company Overview - Shanghai Xunyou High-tech Co., Ltd. has been established with a registered capital of 3 million RMB [1][2] - The legal representative of the company is Li Chunfei, and it is wholly owned by Shanghai Yukua Trading Co., Ltd. [1][2] Business Scope - The company’s business scope includes wind power generation technology services and software development [1] - It is authorized to engage in various activities such as intelligent building system design, construction engineering, and technology services including research and development in new materials and IoT technology [1][2] Company Structure - The company is classified as a limited liability company with natural person investment or control [2] - The business registration is valid until July 23, 2025, with no fixed term thereafter [2]

Company Overview - Tianhang Technology (Xiong'an) Co., Ltd. has been established with a registered capital of 5 million RMB, fully owned by Zhongwei Haide Technology (Beijing) Co., Ltd. [1] - The legal representative of the company is Tian Xiaobing [1]. Shareholding Structure - Zhongwei Haide Technology (Beijing) Co., Ltd. holds 100% of the shares in Tianhang Technology (Xiong'an) Co., Ltd. [2]. Business Scope - The business scope includes technology services, development, consulting, and transfer, as well as IoT technology services and research [2]. - The company is involved in the manufacturing and sales of intelligent unmanned aerial vehicles, navigation, meteorological, and oceanic instruments [2]. - Additional services include AI application software development, virtual reality equipment manufacturing, and various aviation-related services [2]. Regulatory Compliance - The company is required to operate in compliance with relevant laws and regulations, with specific projects needing approval from relevant authorities [2].

序号股东名称持股比例1石家庄三斐企业管理有限公司100% 经营范围含许可项目：建设工程设计;建设工程监理;建设工程勘察;建设工程施工;公路工程监理;建筑劳 务分包（依法须经批准的项目，经相关部门批准后方可开展经营活动，具体经营项目以批准文件或许可 证件为准）工业工程设计服务;专业设计服务;工程管理服务;企业管理咨询;信息技术咨询服务;技术服 务、技术开发、技术咨询、技术交流、技术转让、技术推广;建筑工程用机械销售;土地整治服务;机械设 备租赁;机械设备销售;物业管理;工业设计服务;消防技术服务;工程技术服务（规划管理、勘察、设计、 监理除外）;劳务服务（不含劳务派遣）;招投标代理服务;建筑材料销售;金属切割及焊接设备销售（除 依法须经批准的项目外，凭营业执照依法自主开展经营活动） 企业名称河北玄枵工程设计有限公司法定代表人张昊天注册资本300万人民币国标行业科学研究和技术 服务业>专业技术服务业>工业与专业设计及其他专业技术服务地址河北省保定市竞秀区大激店镇郄庄 村振兴路99—N35号企业类型有限责任公司（非自然人投资或控股的法人独资）营业期限2025-7-22至无 固定期限登记机关竞秀区市场监督管理局 天眼 ...

General Overview - The company establishes an Audit Committee to enhance the decision-making function of the Board of Directors, ensuring effective supervision of the management team and improving corporate governance structure [2][3]. Composition of the Audit Committee - The Audit Committee consists of three directors, with more than half being independent directors, and at least one member must be a professional accountant [3]. - The committee members are nominated by the Chairman, more than half of the independent directors, or one-third of all directors, and elected by the Board [3]. - The committee has a chairperson who is an independent director with accounting expertise, elected by a majority of the committee members [3]. Responsibilities and Authority - The Audit Committee exercises the powers of the supervisory board as stipulated by the Company Law [4]. - Key responsibilities include supervising and evaluating external audit work, proposing the hiring or replacement of external auditors, and overseeing the implementation of internal audit plans [4][5]. - The committee is responsible for reviewing financial information and disclosures, supervising internal controls, and guiding the establishment and implementation of internal audit systems [5][6]. Meeting Procedures - The Audit Committee holds regular meetings at least once a quarter, with provisions for special meetings as needed [13]. - Meetings require the presence of at least two-thirds of the committee members to proceed [13]. - The committee must notify all members of regular meetings five days in advance and three days for special meetings [14]. Decision-Making Process - Each committee member has one vote, and decisions require a majority approval from all members [15]. - The committee can invite company directors and other senior management to attend meetings if necessary [16]. - The committee may hire external consultants for professional advice, with costs covered by the company [17]. Confidentiality and Reporting - All committee members are obligated to maintain confidentiality regarding meeting discussions and decisions [21]. - Resolutions passed by the committee must be reported in writing to the Board of Directors [20].

Group 1 - China National Petroleum Corporation (CNPC) has obtained a patent for a "downhole logging device," which enhances the success rate of deploying flexible bands in seismic exploration [1] - The patent was granted on July 18, 2025, with an application date of September 2024, indicating ongoing innovation in the field [1] - The downhole logging device includes components such as a base, steel wire rope, first and second drums, a fixed pulley, and a guide body, designed to minimize the risk of breakage and friction during deployment [1] Group 2 - CNPC, established in 1990, is primarily engaged in oil and gas extraction, with a registered capital of 48.69 billion RMB [2] - The company has made investments in 113 enterprises and participated in 5,000 bidding projects, showcasing its extensive operational footprint [2] - China National Petroleum Corporation (CNPC) holds 1,446 trademark records and 5,000 patent records, along with 28 administrative licenses [2] Group 3 - China National Petroleum Group Eastern Geophysical Exploration Co., Ltd., founded in 2000, focuses on professional technical services with a registered capital of approximately 1.53 billion RMB [2] - This subsidiary has invested in 31 enterprises and engaged in 2,015 bidding projects, indicating its active role in the industry [2] - The company possesses 100 trademark records, 3,274 patent records, and 241 administrative licenses, reflecting its commitment to innovation and compliance [2]

Group 1 - A new company named Ganzhou Rongjiang New District Rong'an Engineering Management Co., Ltd. has been established with a registered capital of 19 million RMB [1] - The legal representative of the company is Zhou Yanping, and the shareholders include Ganzhou Sanfeng Engineering Management Co., Ltd. (57% ownership) and Ganzhou Rongjiang New District Ronghong Real Estate Co., Ltd. (43% ownership) [1] - The company's business scope includes construction project contracting, urban construction waste disposal, land remediation services, engineering management services, and sales of various materials and equipment [1] Group 2 - The company is classified under the national standard industry of scientific research and technical services, specifically in professional technical services and industrial and professional design [1] - The registered office is located in the Talent Apartment Skirt Building, C.D. Building, 2nd Floor, Room 223, Ganzhou Rongjiang New District, Jiangxi Province [1] - The company is a limited liability company with a natural person as the investor or controller, and its business term is set until July 17, 2025, with no fixed expiration [1]

Core Viewpoint - Standard Testing Group Co., Ltd. has announced its intention to publicly issue shares and list on the Beijing Stock Exchange, aiming to raise capital for its operations and growth in the high-tech service sector [1][3]. Company Overview - Standard Testing Group Co., Ltd. is a comprehensive high-tech service enterprise focused on the biomedicine and life sciences sectors, as well as industrial trade, ecological environment, and innovative services [3]. - The company provides a range of services including inspection and testing, analytical research and development, metrology calibration, certification services, product quality identification, intellectual property, and standardization/rationalization advice [3]. Financial and Operational Details - The company plans to issue up to 6,300,000 shares to unspecified qualified investors, ensuring that public shareholders will hold at least 25% of the total share capital post-issuance [3]. - There is an option for an overallotment of up to 15%, which could increase the total number of shares issued to a maximum of 7,245,000 [3]. - As of 2024, the company has participated in the formulation and revision of 47 standards and has been granted approximately 214 national patents, 18 software copyrights, and 71 registered trademarks [3]. Company Background - Established on August 6, 2014, the company is located in Qingdao, Shandong Province, and is legally represented by Han Lianchao [4]. - The registered capital of the company is approximately 63 million yuan, with an operational status of being open for business [4]. - The company has invested in 27 other companies and operates 7 branch offices [4].