一、智能化开关设备行业相关概述 智能化开关设备是指集成了现代传感技术、数字处理技术、通信技术和智能控制算法的电力开关装置， 能够实现实时监测、自动诊断、远程操控及自适应保护等功能，从而提升电力系统的可靠性、效率与自 动化水平。该设备具有多维分类体系：在电压等级维度涵盖低压（≤1kV）、中压（1kV-35kV）和高压 （≥110kV）智能开关；在功能维度分为具有保护、监测和通信功能的智能开关；在应用场景维度则包 括配电自动化、新能源并网和工业专用等类型。其核心特征是通过数据交互与决策智能化，实现设备状 态的"感知-分析-执行"闭环。 | | | 智能化开关设备分类 | | | --- | --- | --- | --- | | 分类依据 | 类型 | 主要特点 | 应用场景 | | 按电压等级 | 低压智能开关 | 额定电压≤1kV,集成微型传感器和 通信模块,支持远程控制 | 建筑配电、智能家居 | | | 中压智能开天 | 额定电压1kV 35kV,具备故障定位和 自适应保护功能 | 配电网、工业园区 | | | 高压智能开关 | 额定电压 ≥110kV,支持多参数协同 监测与大数据分析 | 变电站、输电网 ...

7月22日，A股三大指数涨跌不一，电力板块迎重大利好，史上最大水电工程于近日开工，基建、 电网设备相关概念受资金关注。电网设备ETF（159326）连续两日放量，成交额大增，昨日大涨后盘中 再度翻红，截至11:27，涨幅0.52%，持仓股电科院20CM涨停，安靠智电涨超12%，国电南自涨停，华 菱线缆、特变电工、通光线缆、长高电新等股跟涨。 消息面上，雅鲁藏布江下游水电工程开工仪式7月19日上午在西藏自治区林芝市举行。工程将建设5 座梯级电站，总投资约1.2万亿元，发电量相当于3个三峡，是人类历史上最大的水电站项目。 银河证券认为，考虑到雅江基建工程难度高、利息、利率等不确定因素，实际投资或超预估金额， 实际投资增幅可达5%，假设输变电工程占比约15%~25%，则输变电投资额或可达1890亿~3150亿元， 电力设备产业链有望受益于中长期投资拉动。 电网设备ETF（159326），是全是唯一跟踪中证电网设备主题指数的ETF，专注捕捉新型电力系统 建设与电力改革成长机会。从申万三级行业分类上看，指数成分股的行业分布以输变电设备、电网自动 化设备、线缆部件及其他、通信线缆及配套、配电设备为主，合计权重达到88.9 ...

Investment Rating - The report maintains a "Recommended" investment rating for the photovoltaic industry [1]. Core Viewpoints - The Yarlung Zangbo River downstream hydropower project, with a total investment of approximately 1.2 trillion yuan, is expected to significantly enhance electricity supply and contribute to carbon neutrality goals. The project will utilize abundant hydropower resources and promote the development of solar and wind energy in the surrounding areas [3]. - The project has an installed capacity of nearly 70 million kilowatts and an annual power generation capacity of 300 billion kilowatt-hours, which can meet the annual electricity needs of 300 million people and replace 90 million tons of standard coal, reducing carbon dioxide emissions by 300 million tons [3]. - The project is anticipated to strengthen the synergy between computing and electricity, benefiting the AIDC computing power industry chain [3]. Summary by Sections Project Overview - The Yarlung Zangbo River downstream hydropower project involves the construction of five cascade power stations and is expected to take about 10 years to complete, with production anticipated to start after 2035 [3]. - The project will enhance the utilization of "West-to-East Power Transmission" and support the national strategy of "East Data West Calculation" [3]. Investment Insights - The total investment of 1.2 trillion yuan may be adjusted upwards, with the investment in power transmission and transformation estimated to reach between 189 billion to 315 billion yuan [3]. - The report suggests that the actual investment may exceed initial estimates due to construction difficulties and uncertainties related to interest rates [3]. Beneficiaries in the Industry - The hydropower equipment supply chain is expected to benefit, with key players including Dongfang Electric, Shanghai Electric, and Harbin Electric, among others [3]. - The report highlights the stable demand for high-voltage transmission equipment and identifies major suppliers such as State Grid NARI, China XD Electric, and others as potential beneficiaries [3]. - The GIL (Gas Insulated Transmission Line) segment is entering a long-term growth cycle, with companies like China XD Electric and Pinggao Electric expected to benefit from the Yarlung Zangbo project [3]. Investment Recommendations - The report recommends focusing on the hydropower equipment and high-voltage equipment supply chains, specifically mentioning companies like Dongfang Electric, Shanghai Electric, and State Grid NARI [3]. - It also suggests monitoring the AIDC industry chain, including companies like Megmeet and Jinpan Technology [3].

证券代码：002452 证券简称：长高电新 公告编号：2025-32 长高电新科技股份公司 关于 2024 年员工持股计划锁定期届满及第一个归属期 权益归属的提示性公告 本公司及董事会全体成员保证公告内容真实、准确和完整，没有虚假记载、 误导性陈述或者重大遗漏。 长高电新科技股份公司（以下称"公司"）于 2024 年 4 月 29 日召开第六届董 事会第十二次会议、第六届监事会第十一次会议，于 2024 年 5 月 24 日召开的 2024 年第二次临时股东大会审议通过了《关于<公司 2024 年员工持股计划（草 案）>及其摘要的议案》《关于<公司 2024 年员工持股计划管理办法>的议案》 等相关议案，同意公司实施 2024 年员工持股计划（以下简称"员工持股计划"）。 本次员工持股计划锁定期于 2025 年 7 月 16 日届满，根据《关于上市公司实施员 工持股计划试点的指导意见》和《深圳证券交易所上市公司自律监管指引第 1 号 ——主板上市公司规范运作》的要求，现将公司本次员工持股计划锁定期届满及 第一个归属期权益归属情况公告如下： 一、本次员工持股计划的基本情况 公司于2024年5月24日召开的202 ...

Key Points - Zhongsheng Gaoke is planning a change in company control, with a potential transfer of 22.35% of shares at a valuation of 2.5 billion yuan, leading to a stock suspension starting July 16, 2025 [3][4] - Yanshan Technology's subsidiary is participating in a partnership to invest 41.64 million yuan in a fund that will ultimately invest in Bytedance Ltd [5] - Sanyuan Bio received an initial ruling of a 450.64% anti-dumping duty from the US Department of Commerce on erythritol, prompting a shift in sales strategy towards domestic markets [6] - Chutianlong is exploring digital currency projects but faces risks related to new technology development and commercial application [7] - Bertley is establishing a partnership to invest in humanoid robots and other emerging sectors, committing 198 million yuan [8] - China Merchants Highway's chairman resigned due to reaching retirement age [9] - Tibet Summit's controlling shareholder is under investigation for information disclosure violations, but it will not affect the company's operations [10][11] - ST Weir plans to acquire 51% of Zijiang New Materials for 546 million yuan, entering the lithium battery materials sector [12] - ST Yazhen's stock will be suspended for three days due to abnormal trading fluctuations [13] - Dahua Technology's subsidiary is shifting its listing to the Hong Kong Stock Exchange [14] Performance Forecasts - Zhongji Xuchuang expects a net profit increase of 52.64% to 86.57% for the first half of 2025, driven by strong demand for high-end optical modules [15] - Juchip Technology anticipates a 122.28% increase in net profit for the same period, benefiting from successful AI audio chip promotions [16] - Sitwei forecasts a net profit growth of 140% to 180%, with significant revenue increases from smartphone collaborations [17] - Tianyu Co. expects a net profit increase of 144.29% to 238.25%, aided by improved product structure and market strategies [18] - Jinli Yongci predicts a net profit growth of 151% to 180%, focusing on renewable energy and related sectors [19] - Blue Ocean Huaten expects a net profit increase of 152.76% to 190.68%, driven by growth in the new energy heavy truck market [20] - Maiqu'er anticipates a turnaround with a net profit of 1.4 million to 2 million yuan, compared to a loss in the previous year [21] - China Galaxy expects a net profit increase of 45% to 55%, with growth across various business segments [23] - Baicheng Pharmaceutical forecasts a significant decline in net profit, down 95.53% to 100% [24] Major Contracts - Jincheng signed a contract worth approximately 52.98 million USD for underground mining operations in the Democratic Republic of Congo [25] - ST Yundong entered a strategic cooperation agreement for drone development and investment with two companies [26] - Changgao Electric New's subsidiary won contracts totaling 445 million yuan from the State Grid [27] Shareholding Changes - Angli Education plans to reduce its repurchased shares by up to 573.1 million shares [28][29] - Lingzhi Software's shareholders plan to collectively reduce their holdings by up to 2.11% [30] - Founder Technology's major shareholder intends to reduce its stake by up to 2.27% [31] - Zhongfu Shenying's shareholder plans to reduce its stake by up to 1% [32] - Hangzhou Bank's shareholder intends to reduce its stake by up to 0.7% [33] - Haoyun Technology's chairman plans to reduce his stake by up to 400,000 shares [34] Financing Activities - Yuanwang Valley plans to raise up to 300 million yuan through a private placement for RFID production line projects and working capital [35]

Group 1 - Rock Mountain Technology's subsidiary, Hainan Ruihong, is investing 20.32 million yuan in Jiaxing Lansheng, which aims to raise a total of 41.64 million yuan, targeting investments in Bytedance Ltd. [1] - Hangzhou Bank's shareholder, China Life, plans to reduce its stake by up to 0.7%, equating to a maximum of 5,078,940 shares [2] - Sinochem International is planning to acquire 100% equity of Nantong Xingchen, with stock suspension expected to last no more than 10 trading days [3] Group 2 - Zhongsheng High-Tech is undergoing a potential change in control, with a 25 billion yuan transfer of 22.35% of shares, leading to stock suspension for up to 2 trading days [4] - Bertley intends to invest 198 million yuan in a partnership focused on high-growth sectors like humanoid robots and automotive intelligence [5] - Jinli Permanent Magnet expects a net profit of 300 million to 335 million yuan for the first half of the year, marking a growth of 151% to 180% year-on-year [6] - Zhongji Xuchuang anticipates a net profit of 3.6 billion to 4.4 billion yuan for the first half, representing a year-on-year increase of 52.64% to 86.57% [7] - China Galaxy expects a net profit of 6.362 billion to 6.801 billion yuan for the first half, reflecting a growth of 45% to 55% year-on-year [7] - Kaisheng New Energy projects a net loss of 435 million to 462 million yuan for the first half of the year [9] - Dalian Thermal Power anticipates a net loss of 39 million to 42 million yuan for the first half of 2025 [9]

证券代码：002452 证券简称：长高电新 公告编号：2025-31 长高电新科技股份公司 关于子公司在国家电网中标的公告 二、中标对公司的影响和本次中标的意义 本次四个子公司上述中标金额合计人民币 44,472.81 万元，占公司 2024 年经审 计合并营业收入的 25.27%。签署正式合同后，其合同的履行将对公司 2025 年及以后 年度的经营业绩产生积极影响，且不影响公司的独立性。 三、风险提示 本公司获得以上项目的相关后续合同的签订、执行日期及相关合同条款尚存在 不确定性，敬请投资者注意投资风险。 特此公告。 长高电新科技股份公司董事会 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。 2025 年 7 月 15 日，国家电网有限公司电子商务平台（https://ecp.sgcc.com.cn） 发布了《国家电网有限公司 2025 年第四十三批采购（输变电项目第三次变电设备（含 电缆）招标采购）中标公告》《国家电网有限公司 2025 年第四十四批采购（输变电 项目第三次变电设备单一来源采购）成交公告》。长高电新科技股份公司（以下简 称"公司"）100% ...

证券代码：002452 证券简称：长高电新 公告编号：2025-30 长高电新科技股份公司 项目 项目 （经审计） （未经审计） （经审计） （未 经审计） 资产总额 245,044,279.23 239,551,288.13 营业收入 234,881,206.99 46,961,898.26 负债总额 106,857,259.80 95,431,981.34 净利润 30,920,786.49 5,207,719.27 净资产 138,187,019.43 144,119,306.79 资产负债率 43.61% 39.84% 三、协议主要内容 合同名称：《最高额保证合同》 合同编号：2025 衡银最保字第 20250519307228 号 债权人：中信银行股份有限公司衡阳分行 保证人： 长高电新科技股份公司 被担保人（债务人）：湖南长高森源电力设备有限公司 保证方式：连带责任担保 保证期间：主合同项下债务履行期限届满之日起三年 最高担保额度：债权本金 2000 万元整和相应的利息、罚息、复利、违约金、损害 赔偿金、迟延履行期间的债务利息、迟延履行金及为实现债权、担保权利等所发生 的一切费用和其他所有应付的费 ...

长高电新科技股份公司 关于对子公司提供担保的进展公告 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。 长高电新科技股份公司（以下简称"公司"或"长高电新"）分别于 2025 年 4 月 22 日和 2025 年 5 月 15 日召开第六届董事会第十八次会议和 2024 年年度股东大会，审 议通过了《关于审议为子公司提供担保额度预计的议案》，根据子公司业务发展需要， 公司拟为全资、控股子公司提供合计不超过人民币 34,500 万元的担保额度及在日常经营 需要时提供担保，提供担保的形式包括但不限于信用担保（含一般保证、连带责任保证 等）、抵押担保、质押担保或多种担保方式相结合等形式担保，其中向资产负债率为 70% 以上（含）的控股子公司提供的担保额度不超过 1,000 万元，向资产负债率低于 70%的 控股子公司提供的担保额度合计不超过 33,500 万元。上述对子公司的担保额度可以进行 内部调整，但任一时点的担保余额不超过股东大会审议通过的额度。详见公司于 2025 年 4 月 24 日在巨潮资讯网上披露的《关于为子公司提供担保额度预计的公告》（公告 编号：20 ...

Group 1 - The company’s financial director, Liu Yunqiang, plans to reduce his shareholding by up to 120,000 shares, which represents 0.0193% of the total share capital [1][2] - Liu Yunqiang currently holds 820,340 shares in the company, which is 14.63% of his total shareholding [2] - The reduction will take place from September 25, 2025, to October 24, 2025, excluding periods when share reductions are prohibited by law [1][2] Group 2 - The reduction plan complies with relevant laws and regulations, including the Company Law and Securities Law of the People's Republic of China [2][3] - The plan does not violate any commitments made by the directors, supervisors, and senior management regarding share transfers [2] - The company’s governance structure and ongoing operations will not be affected by this share reduction [2]