金融界4月7日消息，上证指数低开低走，上证优势制造产业指数 (优势制造，000146)下跌8.83%，报 5677.53点，成交额385.85亿元。 数据统计显示，上证优势制造产业指数近一个月下跌2.52%，近三个月上涨0.29%，年至今下跌5.08%。 据了解，上证优势产业指数系列分别选取符合优势资源、优势制造和优势消费概念的证券作为指数样 本，以反映沪市相关优势产业公司证券的整体表现。该指数以2003年12月31日为基日，以1000.0点为基 点。 从上证优势制造产业指数持仓样本的行业来看，工业占比100.00%。 资料显示，指数样本每半年调整一次，样本调整实施时间分别为每年6月和12月的第二个星期五的下一 交易日。权重因子随样本定期调整而调整，调整时间与指数样本定期调整实施时间相同。在下一个定期 调整日前，权重因子一般固定不变。特殊情况下将对指数进行临时调整。当样本退市时，将其从指数样 本中剔除。样本公司发生收购、合并、分拆等情形的处理，参照计算与维护细则处理。 从指数持仓来看，上证优势制造产业指数十大权重分别为：三一重工（6.15%）、国电南瑞 （4.87%）、隆基绿能（4.86%）、中国船舶（4.6 ...

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个别及连带责任。 2025 年 4 月 7 日，国电南瑞科技股份有限公司（以下简称"国电南瑞"、 "公司"）召开第九届董事会第二次会议，本次董事会以现场结合视频方式召开， 应到董事 12 名，实到董事 12 名，公司监事及高级管理人员列席了本次会议，会 议由董事长山社武先生主持。本次会议以 12 票同意，0 票反对，0 票弃权，审议 通过了《关于公司部分高级管理人员变更的议案》，现将具体情况公告如下： 国电南瑞董事会于近日收到公司总会计师魏蓉女士的书面辞职报告。因工作 变动，魏蓉女士不再担任公司总会计师职务。 根据《公司法》、《公司章程》等相关规定，经公司总经理提名，公司董事 会提名委员会、审计与风险管理委员会审核，公司董事会同意聘任李芳女士为公 司总会计师，聘期至本届董事会届满日止。 公司及董事会对魏蓉女士在担任总会计师期间对公司发展所作出的贡献表 示衷心感谢！ 证券代码：600406 证券简称：国电南瑞 公告编号：临2025-015 国电南瑞科技股份有限公司 关于部分高级管理人员变更的公 ...

Group 1: Market Performance - The China Securities National New Central Enterprise Modern Energy Index (932037) has decreased by 7.27% as of April 7, 2025 [1] - The leading stocks in the index include Changsheng Technology (300073) down by 15.81%, China Aluminum (601600) down by 10.04%, and others experiencing similar declines [1] - The Central Enterprise Modern Energy ETF (561790) has fallen by 6.57%, with a latest price of 1 yuan and a trading volume of 2.6229 million yuan, resulting in a turnover rate of 5.3% [1] Group 2: U.S. Tariff Impact - On April 2, 2025, U.S. President Trump signed an executive order imposing a 10% "minimum benchmark tariff" on trade partners, with China facing a 34% tariff [4] - Pacific Securities believes that the impact of these tariffs on Chinese lithium battery and photovoltaic companies is limited, presenting a potential opportunity for adjustment [4] - The current tariff changes are similar to those during the 2018-2019 U.S.-China trade war, occurring at a low point in the lithium and photovoltaic industry cycle [4] Group 3: ETF Valuation and Performance - The latest price-to-earnings ratio (PE-TTM) for the Central Enterprise Modern Energy ETF is 12 times, which is below 85.49% of the time over the past year, indicating a historical low valuation [5] - The ETF has seen a significant growth in scale, increasing by 1.8786 million yuan over the past month, ranking in the top third among comparable funds [5] - Since its inception, the ETF has achieved a maximum monthly return of 10.03% and a longest consecutive monthly gain of 7 months, with an average monthly return of 3.25% [5] Group 4: Index Composition - The China Securities National New Central Enterprise Modern Energy Index consists of 50 listed companies involved in modern energy sectors, reflecting the overall performance of state-owned enterprises in this field [6] - As of March 31, 2025, the top ten weighted stocks in the index account for 50.55% of the total, including Changjiang Electric Power (600900) and China Nuclear Power (601985) [6]

Summary of Conference Call on China Power Grid Equipment Industry Overview - The conference call discusses the ultra-high voltage (UHV) equipment sector in China, specifically focusing on the results of the first batch of equipment procurement for UHV transmission line construction in 2025, announced by State Grid [1][2]. Key Points Procurement Results - The total value of the first batch of equipment procurement is Rmb1.959 billion, representing 2% of the projected UHV line capital expenditure in China for 2025 [1]. - A total of 38 power grid equipment manufacturers received new orders, with Shandong Electrical Engineering & Equipment Hitachi High-Voltage Switchgear leading with Rmb964 million (49.2% market share) [3]. Company-Specific Insights - **Pinggao**: - Secured Rmb308 million in new orders, accounting for 15.7% market share, which is significantly lower than its usual 30-40% range [4][6]. - The company has many orders from the previous year, mitigating concerns about the lower market share in this batch [6]. - **NARI Technology**: - Won Rmb45 million (2.3% market share) but noted that this batch primarily focused on AC UHV transmission lines, while their products are mainly for DC UHV lines [7]. - Anticipates gaining more orders in the upcoming batches, which will include DC UHV line products [7]. - **XJ Electric**: - Received Rmb27 million (1.4% market share) and echoed NARI's concerns regarding the focus on AC products in this batch [7]. - **Sieyuan**: - Achieved only Rmb7.8 million (0.4% market share) but is not worried due to a strong backlog of orders from previous years, with a reported 25% year-over-year increase in new orders in 2024 [8]. Market Dynamics - The allocation of orders in this batch favored Shandong Electrical Engineering & Equipment due to its capacity to deliver 13 units of GIS of 1,000kV [6]. - The overall sentiment among companies is that the lower order volumes in this batch will not significantly impact profit growth for 2025-2026, especially for Pinggao and Sieyuan, which have substantial existing orders [6][8]. Investment Recommendations - The report highlights Pinggao and Sieyuan as top picks in the sector, suggesting a positive outlook for these companies despite the current bidding results [1]. Additional Insights - The average package size for the 55 bid packages in this batch was Rmb35.62 million [2]. - The focus on AC UHV lines in this procurement round indicates a potential shift in market demand, which may affect future order distributions among companies specializing in DC UHV products [7]. This summary encapsulates the key findings and insights from the conference call regarding the UHV equipment sector in China, highlighting the competitive landscape and individual company performances.

Core Viewpoint - The China Securities Central Enterprises New Momentum Theme Index has experienced a decline, reflecting the overall performance of selected central enterprise listed companies in manufacturing, technology, and modern services sectors [1][2] Group 1: Index Performance - The index opened lower and fluctuated, closing down 0.23% at 1593.32 points with a trading volume of 17.177 billion yuan [1] - Over the past month, the index has decreased by 0.93%, and it has fallen by 2.38% over the last three months and year-to-date [1] Group 2: Index Composition - The index comprises 45 representative listed companies from central enterprises under the State-owned Assets Supervision and Administration Commission, focusing on R&D investment, profitability, and industry cross-integration [1] - The top ten weighted stocks in the index are Hikvision (10.25%), Guodian NARI (9.28%), Changan Automobile (8.8%), AVIC Optoelectronics (7.12%), China Merchants Highway (3.75%), AVIC On-board (3.65%), Shenzhen South Road (3.58%), China Software (3.51%), Baoxin Software (3.4%), and AVIC High-Tech (2.74%) [1] Group 3: Market Distribution - The index's holdings are primarily listed on the Shenzhen Stock Exchange (58.81%), followed by the Shanghai Stock Exchange (40.91%) and the Beijing Stock Exchange (0.28%) [1] - The industry distribution of the index holdings shows that industrials account for 47.74%, information technology for 34.27%, consumer discretionary for 9.20%, financials for 4.14%, communication services for 3.83%, and materials for 0.83% [2] Group 4: Index Adjustment Mechanism - The index samples are adjusted semi-annually, with adjustments occurring on the next trading day after the second Friday of June and December each year [2] - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [2]

市场全天冲高回落，三大指数微幅上涨。 盘面上，机器人概念股反弹，精工科技、天和磁材涨停，肇民科技、东土科技涨超10%。汽 车零部件概念涨幅居前，神通科技、万向钱潮、圣龙股份、天龙股份涨停。医药股持续活 跃，哈三联、润都股份涨停。算力概念股一度反弹，恒润股份涨停。下跌方面，可控核聚变 概念跌幅居前，中洲特材、合锻智能跌超5%。军工股领跌，航发动力跌停。 值得注意的是，A股成交额今日罕见跌破万亿元。 沪深两市全天成交额974 5亿，较上个交易 日缩量15 7 8亿，这也是时隔5 0个交易日后再度跌破1万亿，创年内第二地量。 今晚， 美国总统特朗普宣布关税细节。美国的对等关税到底是个什么情况，各方资本肯定都 在担忧。 花旗认为市场预期在1 0 - 1 5%，如果高于此区间则是利空，低于此区间为利好。 主要有两大原因： 美国银行认为， 4月4日，美将发布非农就业数据，涉及到经济衰退问题，所以今晚川普有可 能淡化"毛衣"影响。 0 1机器人王者归来 机器人概念股再度活跃，精工科技涨停，东土科技、肇民科技、秦川机床、振邦智能、双林 股份等个股涨幅居前。 消息面上，宇树科技发布Unitr e e De x5灵巧手，具备单手 ...

Market Overview - The market experienced a high and then a pullback, with the three major indices showing slight increases. Notably, the A-share trading volume fell below 1 trillion yuan for the first time in 50 trading days, reaching 974.5 billion yuan, a decrease of 157.8 billion yuan from the previous trading day, marking the second lowest volume of the year [1] Robotics Sector - The robotics sector saw a rebound, with stocks like Jinggong Technology and Tianhe Magnetic Materials hitting the daily limit. Other notable performers included Zhaomin Technology and Dongtu Technology, which rose over 10%. The market is responding positively to innovations such as the Unitr e e De x5 dexterous hand from Yushutech, which features 20 degrees of freedom and can perform complex tasks [4][5] - The demand for exoskeleton robots is increasing due to aging populations and labor shortages, creating a significant market opportunity [4] Electric Power Sector - The electric power sector is experiencing renewed interest, with stocks like Mingxing Electric and Hunan Development hitting the daily limit. This is attributed to seasonal trends and the ongoing energy reform [6][7] - The establishment of a new power system is essential, focusing on integrating renewable energy sources like solar and wind, which are less stable compared to traditional energy sources [9][10] - Key areas of focus include: 1. **Grid Upgrades**: Investment in ultra-high voltage and smart grid technologies, with companies like China West Electric and XJ Electric benefiting from increased orders [12] 2. **Energy Storage**: The energy storage market is expected to double this year, with companies like CATL and BYD leading the charge [13] 3. **Virtual Power Plants**: These can aggregate scattered power resources for market trading, with companies like Hengshi Technology and Guoneng Rixin positioned for growth [14] 4. **Green Power Operators**: Companies like Three Gorges Energy and Longyuan Power are well-positioned to benefit from rising green electricity prices [15]

新京报贝壳财经讯（记者潘亦纯）4月1日，北京市税务局在北京金融科技中心举办"税收·法治·公平"专 题座谈会暨"合规经营·诚信纳税"倡议书签字仪式，以此启动北京市第34个全国税收宣传月。 中粮集团有限公司财务部总监董保芸表示："北京市税务局积极落实各项惠企政策，通过简化流程、优 化服务、强化数字赋能等举措，为企业进一步提供便利。中粮集团近年来不断完善税务管理体系，将税 务管理由'制度引领'提升至'战略牵引'进行顶层规划。" 国家电网有限公司财务部副主任郑琛表示："作为特大型骨干央企，公司一直以来秉持合规经营理念， 将合规经营作为企业稳健发展的'压舱石'，公司通过规范纳税、合规经营赢得了社会的信任，并将这种 信任转化为市场公信力。为城市建设、民生保障提供坚实支撑。" 活动现场，北京市税务局与企业代表共同发起"合规经营·诚信纳税"倡议，21家参会企业共同签署倡议 书，并表示将继续发挥诚信纳税表率作用，努力营造法治公平的营商环境。 北京市税务局相关负责人表示，法治公平是最优的营商环境，是最好的税收支持。下一步，首都税务部 门将一如既往地支持广大经营主体合规经营、健康发展，不断提升依法治税水平，税企一道携手共进、 互促 ...

Group 1 - The pumped storage concept saw an increase of 1.95% on April 1, with a net inflow of 49.66 million yuan from main funds, where 29 stocks rose and 2 fell [1] - The top stocks by net inflow were Guoji Heavy Industry (601399) with 37.82 million yuan, Waneng Electric Power (000543) with 33.32 million yuan, and Three Gorges Energy (600905) with 25.87 million yuan [1] Group 2 - The top performing stocks in the pumped storage sector included: - Guoji Heavy Industry (601399) with a latest price of 3.17 yuan and a rise of 3.26%, net inflow of 37.82 million yuan, accounting for 6.02% of the main fund [2] - Waneng Electric Power (000543) with a latest price of 7.74 yuan and a rise of 3.75%, net inflow of 33.32 million yuan, accounting for 6.83% of the main fund [2] - Three Gorges Energy (600905) with a latest price of 4.30 yuan and a rise of 1.65%, net inflow of 25.87 million yuan, accounting for 3.87% of the main fund [2]

Core Viewpoint - The article highlights the significant growth in the electrochemical energy storage sector in China, with a notable increase in installed capacity and the emergence of independent storage systems as a key driver of this growth [1][2]. Group 1: Installed Capacity - In 2024, 515 new energy storage stations were put into operation, totaling 37.13 GW/90.51 GWh, representing a year-on-year growth of over 100% [9]. - The cumulative operational capacity by the end of 2024 reached 62.13 GW/141.37 GWh, accounting for 1.86% of the total installed capacity of the national power supply [9][12]. - Independent storage systems saw the most rapid growth, with an additional 23.22 GW installed in 2024, a year-on-year increase of over 150%, making up 63% of the total new installations [12][19]. Group 2: Distribution by Application - By the end of 2024, independent storage systems had a cumulative operational capacity of 34.58 GW, primarily distributed across provinces such as Shandong, Jiangsu, and Ningxia, each with over 2 GW [12][13]. - New energy storage systems had a cumulative operational capacity of 24.23 GW, mainly in Xinjiang, Inner Mongolia, and Gansu, with each province exceeding 1 GW [12][13]. Group 3: Company Distribution - The top five battery manufacturers by installed capacity include CATL, BYD, and EVE Energy, with a total energy capacity of 33.89 GWh, accounting for 69.59% of the market [34]. - The top five BMS manufacturers include GOTECH Electronics and BYD, with a total energy capacity of 27.31 GWh, representing 56.08% of the market [34]. - The top five PCS manufacturers include Sungrow Power Supply and Kehua Data, with a total power of 12.55 GW, making up 54.18% of the market [34]. Group 4: Energy Efficiency - In 2024, the average conversion efficiency of electrochemical energy storage systems was 88.75%, with a total charging energy of 8,991 GWh and total discharging energy of 7,980 GWh [48]. - The average comprehensive efficiency for grid-side storage was 81.71%, with a total net energy delivered to the grid of 174,679 GWh [48][49]. Group 5: Reliability - The overall reliability of electrochemical energy storage stations in 2024 was good, with a usable coefficient of 0.98 and no major safety incidents reported [53]. - Non-planned outages accounted for over 75% of the total outages, primarily due to issues with key equipment and system integration [53].