证券之星消息，9月3日电网设备板块较上一交易日下跌0.71%，雅达股份领跌。当日上证指数报收于 3813.56，下跌1.16%。深证成指报收于12472.0，下跌0.65%。电网设备板块个股涨跌见下表： | 代码 | 名称 | 收盘价 | 涨跌幅 | 成交量(手) | 成交额(元) | | | --- | --- | --- | --- | --- | --- | --- | | 601877 | 正泰电器 | 28.20 | 3.94% | 49.64万 | | 13.83亿 | | 301012 | 扬电科技 | 21.46 | 3.37% | 10.71万 | | 2.29亿 | | 002121 | 科陆电子 | 6.78 | 3.04% | 78.39万 | | 5.30亿 | | 002028 | 思源电气 | 93.50 | 2.92% | 7.21万 | | 6.72亿 | | 002706 | 良信股份 | 11.15 | 2.76% | 48.60万 | | 5.38亿 | | 688226 | 威腾电气 | 41.05 | 2.50% | 9.00万 | | 3.72亿 | | 6036 ...

每经AI快讯，有投资者在投资者互动平台提问：贵公司曾中标中国电信240VHVDC集采项目，还是美 国维谛的供应商，请问贵公司有没有当下数据中心需求的400VHVDC方案，以及英伟达最新最大功率 的800VHVDC方案，甚至未来更高的功率研发路径？ （文章来源：每日经济新闻） 良信股份（002706.SZ）9月1日在投资者互动平台表示，公司正不断进行新产品研发及产品储备，目前 已针对400V及800V HVDC系统研发出低压解决方案，公司将持续探索产品路线并提升产品布局能力， 增强产品竞争力，满足客户需求。但仍需提醒投资者，市场存在竞争、波动等不确定性风险，敬请广大 投资者理性投资，注意风险。 ...

（编辑 李家琪） 证券日报网讯 8月29日晚间，良信股份公告称，公司及其子公司良信电器（海盐）有限公司、上海良信 智能电工有限公司、上海智慧良信配电有限公司、良云智慧能源（广东）有限公司于近期取得国家知识 产权局颁发的6项发明专利证书、72项实用新型专利证书、9项外观设计专利证书。 ...

每经AI快讯，良信股份（SZ 002706，收盘价：11.52元）8月29日晚间发布公告称，上海良信电器股份 有限公司及其子公司良信电器(海盐)有限公司、上海良信智能电工有限公司、上海智慧良信配电有限公 司、良云智慧能源（广东）有限公司于近期取得国家知识产权局颁发的6项发明专利证书、72项实用新 型专利证书、9项外观设计专利证书。专利名称分别为"断路器""一种直流接触器的灭弧系统"等。 （记者 王晓波） 截至发稿，良信股份市值为129亿元。 每经头条（nbdtoutiao）——申请超2万份，已开出41家，加盟海底捞，你要准备多少钱？1000万元不算 多，真实"账单"公布 2025年1至6月份，良信股份的营业收入构成为：工业占比100.0%。 ...

| 专利号 | | | 专利名称 | 专利类型 | 申请日 | | 有效期 | 证书号 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | ZL | 2020 | 1 1087357.X | 断路器 | 发明 | 2020-10-12 | 20 | 年 | 第 7934361 | 号 | | ZL | 2018 | 1 1049782.2 | 一种直流接触器的灭 弧系统 | 发明 | 2018-9-10 | 20 | 年 | 第 8033957 | 号 | | ZL | 2024 | 2 1798693.9 | 一种断路器装置 | 实用新型 | 2024-7-26 | 10 | 年 | 第 23090528 | 号 | | ZL | 2024 | 2 1864329.8 | 一种隔离开关的静触 头及灭弧室 | 实用新型 | 2024-8-2 | 10 | 年 | 第 22941617 | 号 | | ZL | 2024 | 2 1939300.1 | 一种断路器的脱扣机 构 | 实用新型 | 2024-8-9 | 10 | 年 ...

Core Viewpoint - The rapid development of AI globally has led to a surge in domestic computing power demand, creating significant market opportunities for AIDC (Artificial Intelligence Data Center) and transforming companies like Liangxin Co., Ltd. from traditional low-voltage electrical manufacturers to intelligent distribution solution providers [1][5]. Group 1: Company Performance - In the first half of 2025, Liangxin Co., Ltd. reported a revenue of 2.334 billion yuan, a year-on-year increase of 16.12%, and a net profit attributable to shareholders of 246 million yuan, up 4.11% year-on-year [2][4]. - The company's core business profitability improved significantly, with a net profit excluding non-recurring gains and losses reaching 224 million yuan, a substantial increase of 12.51% year-on-year [2]. Group 2: Market Position and Product Development - Liangxin Co., Ltd. has rapidly entered the top three in the global low-voltage ACB market, with a sales volume of over 250,000 units in 2024, surpassing many international brands and ranking first in the Chinese market [1]. - The company is focusing on the "Two Intelligence and One New" strategy (intelligent distribution, smart living, and new energy), aligning its R&D outcomes with the demands of emerging markets like AIDC [5][6]. Group 3: Financial Metrics - The company's operating costs increased by 17.26% to 1.596 billion yuan, while sales expenses rose by 8.27% to 193 million yuan [4]. - Research and development investment reached 154 million yuan, a 9.42% increase year-on-year, indicating a commitment to innovation [4]. Group 4: ESG Integration - Liangxin Co., Ltd. integrates ESG principles into its strategy, focusing on green production and energy management, with its Hangzhou Bay Super Factory recognized as a "National Green Factory" [8][12]. - The company achieved a clean energy usage of 4,705.14 MWh in 2024, with a green electricity usage ratio of 17% [8]. Group 5: Future Outlook - The ongoing project for the "Intelligent Low-Voltage Electrical R&D and Manufacturing Base" is expected to enhance production capacity and smart manufacturing levels, with an investment of 1.246 billion yuan by mid-2025 [12].

- The report does not contain any quantitative models or factors for analysis

Summary of Conference Call Records Companies and Industries Involved - **Ruijie Networks**: Focused on data center products and solutions for internet companies - **Liangxin Electric**: Concentrated on power distribution equipment in data centers - **China National Materials Technology**: Engaged in AI electronic fabrics and low-expansion products Key Points and Arguments Ruijie Networks 1. **Core Clientele**: Domestic internet companies are the core clients, with over 90% of data center product revenue coming from internet clients, primarily from major clients like Alibaba, ByteDance, and Tencent, which account for approximately 90% of revenue [1][2] 2. **Product Deployment**: The company's products supporting large-scale GPU clusters have been successfully deployed, with 400G products making up over 60% of data center switch revenue, amounting to approximately 2.4 billion [2] 3. **Collaboration with GPU Manufacturers**: The company is collaborating with several domestic GPU manufacturers to enhance their network capabilities, although commercial deployment will take time [3] Liangxin Electric 1. **Data Center Focus**: The company's data center strategy is concentrated on power distribution, with a market share primarily in HVDC and UPS systems [4] 2. **Overseas Market Advantage**: Liangxin has a competitive edge in the overseas market due to the demand for technical upgrades and the need for multiple suppliers due to existing capacity constraints of current suppliers [5] China National Materials Technology 1. **Complete Product Line**: The company has a comprehensive product line for AI electronic fabrics, with low-expansion products currently facing a supply-demand gap [8] 2. **Market Demand for Low-Expansion Products**: Low-expansion fabrics are widely used in large chip packaging and are expected to extend into consumer electronics and automotive sectors [9] 3. **Market Responsiveness**: The company plans to quickly respond to market demands and adjust pricing strategies based on market conditions and customer acceptance [10] Other Important Content - **Sector Diversification**: The renewable energy business unit includes solar, storage, and wind energy, with additional investments in nuclear and hydrogen sectors to mitigate cyclical volatility [7] - **Investment Caution**: The content includes a disclaimer emphasizing that the information provided is for reference only and does not constitute investment advice [11]

Investment Rating - The investment rating for the company is "Buy" and is maintained [6]. Core Views - The company reported a revenue of 2.33 billion yuan in the first half of 2025, representing a year-on-year increase of 16.1%. The net profit attributable to shareholders was 250 million yuan, up 4.1% year-on-year, while the net profit excluding non-recurring items was 220 million yuan, an increase of 12.5% year-on-year [2][4]. - In Q2 2025, the company achieved a revenue of 1.25 billion yuan, a year-on-year increase of 16.6%. The net profit attributable to shareholders was 140 million yuan, down 2.6% year-on-year, and the net profit excluding non-recurring items was 120 million yuan, up 9.9% year-on-year [2][4]. - The company’s revenue structure is diversified, with significant growth in various segments driven by demand from new energy, infrastructure, and digital energy sectors [9]. - The gross profit margin for the first half of 2025 was 31.59%, a decrease of 0.67 percentage points year-on-year. The gross profit margin for Q2 2025 was 31.63%, a decrease of 0.52 percentage points year-on-year but an increase of 0.07 percentage points quarter-on-quarter [9]. - The company effectively managed its expenses, with total expense ratio in the first half of 2025 at 20.02%, down 1.10 percentage points year-on-year [9]. - The company is actively expanding into new products and downstream markets, particularly in the data center sector, which is expected to provide new growth opportunities [9]. Financial Performance Summary - The company’s total revenue for 2025 is projected to be 5.08 billion yuan, with a net profit of 450 million yuan, corresponding to a PE ratio of approximately 28 times [9]. - The company’s cash flow from operating activities reached 171 million yuan in the first half of 2025, a year-on-year increase of 37.38% [9].

8月26日，良信股份盘中上涨2.01%，截至09:56，报12.70元/股，成交5.78亿元，换手率5.10%，总市值 142.64亿元。 资金流向方面，主力资金净流入428.87万元，特大单买入3725.00万元，占比6.45%，卖出4736.30万元， 占比8.20%；大单买入1.36亿元，占比23.56%，卖出1.22亿元，占比21.07%。 良信股份今年以来股价涨70.06%，近5个交易日涨7.63%，近20日涨43.99%，近60日涨52.46%。 责任编辑：小浪快报 良信股份所属申万行业为：电力设备-电网设备-配电设备。所属概念板块包括：IDC电源、物联网、新 能源车、QFII持股、智能电网等。 截至6月30日，良信股份股东户数3.24万，较上期减少12.48%；人均流通股28210股，较上期增加 14.30%。2025年1月-6月，良信股份实现营业收入23.34亿元，同比增长16.12%；归母净利润2.46亿元， 同比增长4.11%。 分红方面，良信股份A股上市后累计派现19.86亿元。近三年，累计派现9.68亿元。 机构持仓方面，截止2025年6月30日，良信股份十大流通股东中，国泰估值优势混 ...