Market Overview - On September 29, the professional services sector rose by 0.42% compared to the previous trading day, with Zhonggang Tianyuan leading the gains [1] - The Shanghai Composite Index closed at 3862.53, up 0.9%, while the Shenzhen Component Index closed at 13479.43, up 2.05% [1] Stock Performance - Zhonggang Tianyuan (002057) closed at 10.85, with a gain of 3.14% and a trading volume of 237,800 shares, amounting to a transaction value of 256 million yuan [1] - Lihua Kechuang (002243) closed at 9.60, up 2.45%, with a trading volume of 543,600 shares and a transaction value of 521 million yuan [1] - Other notable performers include: - Jianyan Institute (603183) at 4.39, up 1.86% [1] - Guangdong Jianke (301632) at 29.36, up 1.66% [1] - Lansheng Co., Ltd. (600826) at 10.35, up 1.47% [1] Fund Flow Analysis - The professional services sector saw a net inflow of 11.43 million yuan from institutional investors, while retail investors experienced a net outflow of 20.59 million yuan [2] - Key stocks with significant fund flows include: - Lihua Kechuang with a net inflow of 38.91 million yuan from institutional investors [3] - Zhonggang Tianyuan with a net inflow of 29.77 million yuan from institutional investors [3] - Guangdong Jianke with a net inflow of 11.26 million yuan from institutional investors [3]

Group 1 - The company, Electric Power Research Institute (300215.SZ), specializes in high and low voltage electrical equipment testing services, with high voltage testing services accounting for 70% to 80% of its business [1] - The company has been deeply engaged in the testing industry for many years, establishing itself as a benchmark in testing standards and capabilities [1] - For detailed operational information, the company advises stakeholders to refer to its regular reports, specifically the "Management Discussion and Analysis" section [1]

下一步，国网山东电科院将联合国内外合作单位，加快推进标准编制工作，确保标准内容既符合国际通行规则，充分体现我国在该领 域的技术优势，力争早日完成标准发布，为全球语音大模型数据与知识处理提供参考借鉴。 【责任编辑：王少晨 】 日前，国网山东电科院牵头申报的IEEE国际标准《Guide for a Data and Knowledge Processing Framework for Constructing Large Speech- Language Models（面向语音大模型构建的数据与知识处理框架指南）》成功获批立项，这是该院在语音大模型数据与知识处理领域国际标 准制定工作中的重大突破，标志着该院在语音大模型领域的话语权和影响力得到进一步提升。 语音大模型在智能汽车、智能IoT设备、智能客服、智慧教育等领域广泛应用，用于构建语音大模型的数据与传统文本数据在存储形 态、数据标注格式、数据特征结构、数据处理等方面存在差异，导致相关数据格式不统一、跨组织共享难、数据版本管理缺失、数据安全 隐患高、数据处理效率低等问题，制约了语音大模型的快速迭代与性能优化。 在国网山东省电力公司数字化部的指导支持下，该院凭借着 ...

鉴定会上，由中国电科院、国网冀北电力、北京理工大学等单位7位专家组成的专家组，听取了项目汇 报，审阅了工作报告、技术报告、科技查新报告、成果材料等项目资料。经过质询和讨论，鉴定委员会 一致认为，项目提出了针对锂电池储能电站直流侧多层级故障的保护体系，项目成果可显著提升运维和 检修效率，经济和社会效益显著，整体技术达到国际领先水平。 编辑：穆皓 转自：新华财经 针对国内外锂电池储能电站外短路故障"定位难"、内短路故障"预警难"、多层级防护"覆盖难"等安全运 行方面的三大技术难题，国网天津电力牵头组织国网天津电科院，联合天津大学、平高储能等产学研单 位，围绕电池储能电站故障诊断与保护关键技术进行理论研究、软硬件研发和工程应用，发明了基于横 纵向电压比较、改进主成分分析和异常能量损耗的锂电池储能电站电池内短路故障辨识及热失控预警方 法，研制了储能电站在线预警系统、电池安全性在线评估平台、锂电池储能电站直流侧保护装置等软硬 件装备。 目前，项目成果已授权发明专利10余项、发表论文20余篇、发布标准4项，在天津地区多个电源侧、电 网侧、用户侧储能项目中得到推广应用，实现了锂电池储能电站故障诊断与保护关键技术的产业化应 ...

日前，由国网山东电科院中实易通公司负责调试的山东能源集团甘肃灵台电厂2号机组 顺利通过168小时满负荷试运行，标志着该机组正式具备商业化运营条件，为区域能源保供 和绿色低碳发展注入新动力。 至此，1号和2号机组都完成了168小时连续满负荷运行，运行期间机组各项参数稳定， 自动投入率、保护投入率、仪表投入率均达100%，二氧化硫、氮氧化物等排放指标均优于 国家超低排放标准，环保性能突出。这样优异的成绩背后，隐藏的是灵台调试项目部全体成 员精诚合作的默契和埋头苦干的毅力。 技术攻坚：百万机组矗立能源新脊梁 作为国家"十四五"重点工程"陇电入鲁"的核心调峰电源，灵台电厂是全国首个"风光火储 一体化"特高压外送工程的配套枢纽。这台"国之重器"承载着多项创新突破。 精准施策：于时间夹缝中开辟通途 中实易通公司的调试团队既要调动业主、总包方、监理、施工方等各参建方协同配合， 更要以过硬技术牢牢确立调试指挥的核心权威。 面对紧迫工期，该调试团队以智慧与韧性回应挑战。为了跟时间赛跑，他们计划先行。 各专业工程师深入现场，将里程碑节点逆向分解为精准的分系统调试蓝图，并把不满足的条 件清晰列单，敦促施工方靶向整改。 他们还开展了 ...

Group 1 - The highest electricity load in Shandong's power grid reached 1.3021 million kilowatts, marking the eighth historical high this summer [1] - Since June, the power load in Shandong has exceeded 100 million kilowatts for 61 days, a first in the province's power history [1] - The State Grid Shandong Electric Power Research Institute is committed to ensuring power supply during peak summer, leveraging digital and intelligent technology innovations to enhance grid supply capabilities [1] Group 2 - The summer season poses significant challenges to the stability of the distribution network due to severe weather conditions, prompting the development of differentiated prevention and control strategies [3] - Specific lightning protection plans have been created based on regional lightning characteristics, significantly reducing faults caused by lightning strikes [3] - A standardized insulation spraying technique has been implemented on over 1,300 distribution lines to address faults caused by foreign objects during strong winds [3] Group 3 - The optimization of distribution network business systems has provided robust technical support for power supply during peak summer [4] - Advanced features such as "self-healing" and "one-click transfer" have been developed and implemented across 17 cities, enhancing fault detection and repair efficiency [4] - Real-time monitoring of over 200,000 distribution stations has enabled precise fault assessment and rapid repairs, improving power supply reliability [4] Group 4 - A new technology combining local rapid response and global coordination has been introduced to quickly isolate faults and minimize power outage impacts [6] - This technology has been deployed on over 200 distribution lines since June, successfully isolating faults in all seven incidents, preventing outages for 390 transformers [6] - The implementation of this technology has significantly improved fault handling efficiency and power supply reliability [6] Group 5 - The pressure on distribution cables has increased due to rising electricity loads, necessitating advanced detection methods for potential faults [7] - Innovative algorithms and diagnostic devices have been developed to accurately identify and assess cable defects, addressing traditional detection challenges [7] - Since the peak summer period began, this technology has been applied in over 1,200 locations, preventing 15 cable faults and enhancing supply reliability [7]

Group 1 - The stock price of the company is reported at 6.31 yuan, down 0.32 yuan from the previous trading day, with an opening price of 6.55 yuan, a high of 6.60 yuan, and a low of 6.30 yuan, with a trading volume of 285,814 hands and a transaction amount of 185 million yuan [1] - The company operates in the professional services sector as a national independent third-party comprehensive electrical testing institution, with four national centers authorized by the State Administration for Market Regulation, covering high and low voltage electrical and new energy electrical testing [1] - In the first half of 2025, the company's high voltage electrical testing business generated revenue of 177 million yuan, accounting for 74.75% of total revenue [1] Group 2 - The company's semi-annual report for 2025 shows a total revenue of 237 million yuan, a year-on-year decrease of 23.95%, and a net loss attributable to shareholders of 26.41 million yuan [1] - The net cash flow from operating activities was 130 million yuan, and the company completed several high-complexity testing projects, including a 14-meter high large-scale starting resistance type test [1] - On August 27, the net outflow of main funds was 34.30 million yuan, accounting for 1.09% of the circulating market value, with a net outflow of 31.77 million yuan over the past five days, accounting for 1.01% of the circulating market value [1]

Core Viewpoint - The company reported a challenging first half of 2025 with a revenue of 237 million yuan and a net profit loss of 26.41 million yuan, although operational efficiency improved in the second quarter compared to the first quarter [1] Group 1: Financial Performance - In the first half of 2025, the company achieved a revenue of 237 million yuan and a net profit loss of 26.41 million yuan, with a net cash flow from operating activities of 130 million yuan [1] - The revenue from high-voltage electrical testing was 177 million yuan, accounting for 74.75% of total revenue, while low-voltage electrical testing generated 60 million yuan, making up 25.25% of total revenue [2] Group 2: Business Operations and Market Position - The company is a national independent third-party comprehensive electrical testing institution, focusing on the research, development, and application of electrical testing technology [2] - It has established a comprehensive "one-stop technical service" capability, covering high and low voltage electrical testing and emerging fields such as new energy and smart grids [2] - The company has four national centers authorized by the market supervision administration, enhancing its service capabilities across the electrical testing spectrum [2] Group 3: Technical Strength and Industry Leadership - The company completed several high-complexity testing projects in the first half of 2025, showcasing its technical strength and competitive advantage in the high-end testing market [4] - It has played a significant role in standard-setting, leading the formulation of national standards and enhancing its influence in technical discourse [4] - The company has deepened its intellectual property layout, with 11 new patent authorizations and 22 patent applications accepted, focusing on cutting-edge technology areas [4] Group 4: Strategic Focus and Future Outlook - Under the new board and management, the company prioritizes stabilizing performance while expanding its focus to include the entire lifecycle testing of new energy equipment and carbon emission accounting [5] - The company has launched a dual-carbon platform project to provide technical services in the low-carbon sector [5] - It aims to enhance product quality and maintain a commitment to scientific management, fair testing, and accurate data, while also focusing on technological innovation and overall competitiveness [5]

Group 1 - The core achievement of the Tianjin Electric Power Research Institute's team is the development of a "lithium-ion battery energy storage station DC side fault detection technology and device," which won a bronze medal at the 11th International Invention Exhibition organized by the China Invention Association [1] - The exhibition showcased innovative achievements from various countries and regions, covering cutting-edge fields such as renewable energy, smart manufacturing, and healthcare [1] - The new detection method significantly enhances monitoring timeliness and accuracy by providing a 20-minute early warning before battery thermal runaway, addressing the hidden risks of short-circuit faults in lithium-ion batteries [1] Group 2 - The developed multi-level protection device for lithium battery storage DC side has been applied in multiple projects, including the Tianjin Jizhou Huaxin Photovoltaic Storage, demonstrating improved safety and reliability of energy storage stations [2] - The energy storage industry is becoming a crucial component in promoting energy transition and ensuring the safe operation of the power grid as the new power system construction accelerates [2] - The Tianjin Electric Power Research Institute plans to deepen technological innovation and results transformation, focusing on new energy storage lifecycle safety technologies to support innovative development of the power grid [2]

Core Viewpoint - The report indicates a significant presence of institutional investors in Electric Science Institute (300215.SZ), with a total holding of 194 million shares, representing 25.85% of the company's total equity as of August 26, 2025 [1] Institutional Holdings - As of the report date, four institutional investors disclosed their holdings in Electric Science Institute, with a combined shareholding of 194 million shares [1] - The institutional investors include China Inspection and Certification Group Testing Technology Co., Ltd., Hainan Sanyuan Huating Property Service Co., Ltd., UBS AG, and Morgan Stanley & Co. International PLC [1] - The total institutional holding percentage increased by 0.14 percentage points compared to the previous quarter [1] Foreign Investment - Two new foreign institutions disclosed their holdings in this period, namely UBS AG and Morgan Stanley & Co. International PLC [1] - Barclays Bank PLC was not disclosed as a foreign institution in this reporting period compared to the previous quarter [1]