格隆汇12月18日丨电科院(300215.SZ)在互动平台表示，公司主营为高、低压电器技术检测服务；同 时，可提供风电、光伏等新能源发电设备的检测服务和储能设备的检测服务。 ...

以上内容为证券之星据公开信息整理，由AI算法生成（网信算备310104345710301240019号），不构成投资建议。 从资金流向上来看，当日专业服务板块主力资金净流出2.76亿元，游资资金净流出568.47万元，散户资 金净流入2.81亿元。专业服务板块个股资金流向见下表： 证券之星消息，12月16日专业服务板块较上一交易日下跌1.78%，电科院领跌。当日上证指数报收于 3824.81，下跌1.11%。深证成指报收于12914.67，下跌1.51%。专业服务板块个股涨跌见下表： ...

Core Viewpoint - Yunnan Electric Power Research Institute has played an irreplaceable role in ensuring grid safety, promoting technological innovation, supporting major engineering projects, and cultivating professional talent since its establishment [1][2]. Group 1: Historical Development - The institute originated from the Center Testing Institute of Yunnan Provincial Water Resources and Electric Power Department, focusing on solving equipment failures and establishing technical standards [1]. - It has established a technical supervision system covering multiple specialties and completed high-level testing and debugging tasks, laying a solid technical foundation for the transition from scale expansion to quality control in Yunnan's power industry [1]. - From 2002 to 2013, the institute completed significant projects, including the first 600MW thermal power unit and 700MW hydropower unit in the province, with a cumulative debugging capacity exceeding 20,000 megawatts [2]. Group 2: Technological Advancements - The institute has achieved breakthroughs in scientific research, including undertaking national 863 program projects and establishing a superconducting power laboratory, winning the National Science and Technology Progress Award (second class) [2]. - Since 2014, the institute has transformed to a subsidiary management model, covering all aspects of the power grid, and has participated in world-class complex engineering debugging, such as the Kunliulong DC project [2]. - The institute has led the formulation of multiple international and national technical standards, with patent authorizations exceeding 3,000, and has achieved significant financial returns from various results [2]. Group 3: Cultural and Educational Impact - The development history of Yunnan Electric Power Research Institute reflects a spirit of innovation and dedication to national interests, serving as a valuable cultural asset that inspires contemporary staff [3]. - The systematic organization and transmission of its rich cultural heritage provide a vibrant historical lesson and spiritual coordinates for the younger generation, encouraging them to remember traditions and strive for excellence in building a new power system [3].

来源：上海证券报·中国证券网 上证报中国证券网讯（记者 王文嫣）截至12月11日10点47分，万得特高压概念指数涨幅超2%。通光线 缆、汉缆股份、华菱线缆等涨停，电科院、节能环境、特变电工等涨幅居前。 消息面上，近期，四川省发展改革委发布关于攀西特高压交流工程项目核准的批复。甘肃－浙江等多条 特高压工程建设取得关键进展。多种输配电设备大额中标信息接连发布。东吴证券、国联民生证券电新 团队近期研报均提到了对特高压领域的关注。 来源：上海证券报·中国证券网 上证报中国证券网讯（记者 王文嫣）截至12月11日10点47分，万得特高压概念指数涨幅超2%。通光线 缆、汉缆股份、华菱线缆等涨停，电科院、节能环境、特变电工等涨幅居前。 消息面上，近期，四川省发展改革委发布关于攀西特高压交流工程项目核准的批复。甘肃－浙江等多条 特高压工程建设取得关键进展。多种输配电设备大额中标信息接连发布。东吴证券、国联民生证券电新 团队近期研报均提到了对特高压领域的关注。 ...

（文章来源：每日经济新闻） 每经AI快讯，12月11日，特高压指数上涨2%，成分股表现亮眼，通光线缆涨停，汉缆股份涨7.32%，电 科院涨6.80%，通达股份涨4.25%，许继电气涨2.99%。 ...

Market Overview - The professional services sector experienced a decline of 0.59% on December 2, with Zhongjin Radiation leading the drop [1] - The Shanghai Composite Index closed at 3897.71, down 0.42%, while the Shenzhen Component Index closed at 13056.7, down 0.68% [1] Stock Performance - Notable gainers in the professional services sector included: - Xince Standard (300938) with a closing price of 35.45, up 3.20% and a trading volume of 124,200 shares, totaling 430 million yuan [1] - Lansiqimi (300795) closed at 15.90, up 2.19% with a trading volume of 112,800 shares, totaling 178 million yuan [1] - Conversely, significant decliners included: - Zhongquanfuzhao (300962) with a closing price of 17.99, down 4.56% and a trading volume of 107,800 shares, totaling 25.66 million yuan [2] - Anbang Guard (603373) closed at 41.24, down 2.80% with a trading volume of 6,815 shares, totaling 28.42 million yuan [2] Capital Flow - The professional services sector saw a net outflow of 132 million yuan from institutional investors, while retail investors experienced a net inflow of 89.54 million yuan [2] - The detailed capital flow for selected stocks showed: - Xince Standard (300938) had a net inflow of 30.20 million yuan from institutional investors, while retail investors had a net outflow of 16.85 million yuan [3] - Huace Testing (300012) recorded a net inflow of 6.18 million yuan from institutional investors, with a net outflow of 7.52 million yuan from retail investors [3]

证券日报网讯 12月1日，电科院在互动平台回答投资者提问时表示，年度经营数据请及时关注公司后续 定期报告。 （文章来源：证券日报） ...

Core Viewpoint - The professional services sector experienced a rise of 1.14% on December 1, with notable gains from companies like Shibai Testing, which led the sector's performance [1]. Group 1: Market Performance - The Shanghai Composite Index closed at 3914.01, up 0.65%, while the Shenzhen Component Index closed at 13146.72, up 1.25% [1]. - The professional services sector saw significant individual stock movements, with Shibai Testing (301228) closing at 46.09, up 9.35%, and Electric Science Institute (300215) closing at 7.93, up 6.87% [1]. Group 2: Stock Performance Details - The following stocks showed notable increases: - Shibai Testing (301228): 46.09, +9.35%, volume 86,100, turnover 387 million [1] - Electric Science Institute (300215): 7.93, +6.87%, volume 776,900, turnover 597.1 million [1] - Beikang Testing (920160): 26.10, +6.84%, volume 57,800, turnover 149 million [1] - Other stocks with positive performance included: - Fengshang Culture (300860): 28.60, +4.11% [1] - Lingdian Youshu (301169): 45.49, +4.10% [1] Group 3: Capital Flow Analysis - The professional services sector saw a net inflow of 72.05 million from institutional investors, while retail investors experienced a net outflow of 85.50 million [2]. - Key stocks with significant capital inflows included: - Xince Standard (300938): 56.97 million net inflow from institutional investors [3] - Electric Science Institute (300215): 28.80 million net inflow from institutional investors [3] - Su Shi Testing (300416): 20.50 million net inflow from institutional investors [3]

Group 1 - The core viewpoint of the news highlights the active performance of the electric grid equipment sector, driven by significant infrastructure demands stemming from the AI wave, with the only electric grid equipment ETF (159326) showing a slight increase of 0.22% and a trading volume of 1.48 billion yuan [1][3] - The AI infrastructure investments are substantial, with OpenAI planning a $1.4 trillion infrastructure project and Anthropic, supported by Amazon, proposing to invest $50 billion in AI infrastructure in the U.S., particularly focusing on power supply [1] - A report from Western Securities indicates that most industries in the AI supply chain, except for the internet and high-end chips, rely on external imports due to the hollowing out of U.S. industries, which may lead to increased industrial demand for data centers penetrating into China [1] Group 2 - The electric grid equipment ETF (159326) is the only ETF tracking the CSI Electric Grid Equipment Theme Index, with a strong representation in sectors such as transmission and transformation equipment, grid automation equipment, cable components, and distribution equipment [2] - The index has a high weight of 64% in ultra-high voltage, the highest in the market, and includes leading companies such as Guodian NARI, TBEA, Siyuan Electric, and Trina Solar among its top ten holdings [2]

证券日报网讯电科院11月25日在互动平台回答投资者提问时表示，截至2025年第三季度报告期末普通股 股东总数为30007户。 （文章来源：证券日报） ...