隆扬电子（昆山）股份有限公司 2025 年半年度报告全文 隆扬电子（昆山）股份有限公司 2025 年半年度报告 2025-064 2025.08 1 隆扬电子（昆山）股份有限公司 2025 年半年度报告全文 第一节 重要提示、目录和释义 公司董事会、监事会及董事、监事、高级管理人员保证半年度报告内容 的真实、准确、完整，不存在虚假记载、误导性陈述或者重大遗漏，并承担 个别和连带的法律责任。 公司负责人张东琴、主管会计工作负责人王彩霞及会计机构负责人(会计 主管人员)王彩霞声明：保证本半年度报告中财务报告的真实、准确、完整。 所有董事均已出席了审议本次半年报的董事会会议。 本报告如涉及未来计划等前瞻性陈述，该计划不构成公司对投资者的实质 承诺，投资者及相关人士均应当对此保持足够的风险认识，并且应当理解计 划、预测与承诺之间的差异。敬请广大投资者关注，并注意投资风险。 公司在本报告"第三节管理层讨论与分析"之"十、公司面临的风险和应 对措施"中描述了公司未来经营中可能面临的风险，敬请广大投资者注意查 阅。 公司经本次董事会审议通过的利润分配预案为：以公司实施利润分配方 案时股权登记日的总股本剔除已回购股份为基数， ...

Core Viewpoint - Longyang Electronics (301389.SZ) has reported significant investor interest in its copper foil products and major asset restructuring projects, highlighting the growing demand for high-frequency, low-loss materials in the context of rapid advancements in artificial intelligence and high-performance computing [1] Group 1: Product Development - The company has developed HVLP5 high-frequency copper foil, which features extremely low surface roughness and high peel strength, making it suitable for applications in AI servers, communications, and automotive radar [1] - The company has sent samples of its HVLP copper foil to several leading copper-clad laminate manufacturers in China and Japan, with successful progress in development and validation with downstream customers [1] Group 2: Market Demand - The demand for HVLP copper foil is driven by the increasing requirements for high-frequency, high-speed, and low-loss signal transmission in various industries [1] Group 3: Production Capacity - The first HVLP5 copper foil production facility has been completed, with equipment installation underway; however, the related products have not yet generated significant revenue [1]

Core Insights - The company Longyang Electronics (301389) has disclosed that HVLP copper foil has become a key material to meet the future demands of high-frequency and high-speed markets, injecting strong momentum into the development of related industries [1] - The company's self-developed HVLP5 high-frequency and high-speed copper foil features extremely low surface roughness and high peel strength, making it suitable for applications in AI servers, communications, and automotive radar that require high-frequency, high-speed, and low-loss characteristics [1] - The company has sent samples of its products to several leading copper-clad laminate manufacturers (CCL) in mainland China, Taiwan, and Japan, and the development verification with downstream customers is progressing smoothly [1] - The first HVLP5 copper foil cell factory has been completed, and equipment installation is underway; however, the related products have not yet generated scaled revenue [1]

证券代码：301389 证券简称：隆扬电子 公告编号：2025-057 隆扬电子（昆山）股份有限公司 关于股票交易异常波动的公告 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。 一、股票交易异常波动的具体情况 隆扬电子（昆山）股份有限公司（以下简称"公司"）股票（证券简称：隆 扬电子，股票代码：301389）于 8 月 27 日、8 月 28 日连续二个交易日收盘价格 涨幅偏离值累计超过 30%，根据《深圳证券交易所交易规则》的有关规定，属于 股票交易异常波动的情形。 二、公司关注并核实相关情况 针对公司股票交易异常波动的情况，公司董事会通过通讯等方式对公司控股 股东、实际控制人就相关事项进行了核实，现就有关情况说明如下： 1、公司前期披露的信息不存在需要更正、补充之处； 2、公司未发现近期公共传媒报道了可能或已经对公司股票交易价格产生较 大影响的未公开重大信息； 3、公司近期生产经营情况及内外部经营环境未发生重大变化； 4、公司、公司第一大股东不存在关于公司应披露而未披露的重大事项或处 于筹划阶段的重大事项。 5、公司控股股东和实际控制人在公司股票交易异常波 ...

Market Performance - The ChiNext Index rose by 3.82%, closing at 2827.17 points, with a total trading volume of 839.768 billion yuan, a decrease of 48.297 billion yuan from the previous trading day [1] - Among the tradable ChiNext stocks, 730 closed higher, with 32 stocks rising over 10%, including Longyang Electronics, Yidong Electronics, and Abison, which hit the daily limit [1] - The average turnover rate for ChiNext stocks today was 6.63%, with 40 stocks exceeding a turnover rate of 20% [1] High Turnover Stocks - Longyang Electronics had the highest turnover rate at 51.18%, closing at 72.58 yuan with a net inflow of 295.0227 million yuan [4] - Other notable high turnover stocks included Sitake with a turnover rate of 40.98% and a closing price of 58.00 yuan, and Wajinke with a turnover rate of 35.80% [4][5] - The computer industry had the most stocks with a turnover rate exceeding 20%, totaling 8 stocks [2] Institutional Activity - Eight high turnover ChiNext stocks appeared on the Dragon and Tiger List, with seven stocks showing institutional presence [3] - International Composite had three institutional seats with a total net purchase of 65.4508 million yuan, while Longyang Electronics had a net sell of 110 million yuan from the Shenzhen Stock Connect [3] Fund Flow - Among high turnover stocks, 21 experienced net inflows from main funds, with International Composite, Xuanji Information, and Longyang Electronics seeing the highest net inflows of 384 million yuan, 371 million yuan, and 295 million yuan respectively [4] - Conversely, stocks like Keda Intelligent and Hongjing Technology faced significant net outflows, with amounts of 360 million yuan and 126 million yuan respectively [4] Financial Performance - Among the high turnover stocks that released semi-annual reports, Gaolan Co., Shuo Beid and Xinlei Co. reported substantial net profit growth of 1438.57%, 981.11%, and 904.10% respectively [4]

Market Overview - The consumer electronics sector rose by 4.23% on August 28, with Longyang Electronics leading the gains [1] - The Shanghai Composite Index closed at 3843.6, up 1.14%, while the Shenzhen Component Index closed at 12571.37, up 2.25% [1] Top Gainers - Longyang Electronics (301389) closed at 72.58, up 20.01% with a trading volume of 420,100 shares and a transaction value of 2.734 billion [1] - Yidong Electronics (301123) also saw a 20.01% increase, closing at 47.81 with a trading volume of 297,300 shares [1] - Yingstone Innovation (688775) rose by 18.84%, closing at 352.00 with a trading volume of 93,600 shares [1] - Other notable gainers include Shenglan Co. (300843) up 17.28% and Yunzuka Technology (688260) up 11.37% [1] Top Losers - Furi Electronics (600203) experienced a decline of 4.05%, closing at 14.92 with a trading volume of 1,000,400 shares [2] - Mengsheng Electronics (838701) fell by 2.67%, closing at 23.70 [2] - Huizhi Technology (002888) and Chaoyang Technology (002981) also saw declines of 2.30% and 2.22% respectively [2] Capital Flow - The consumer electronics sector saw a net inflow of 1.019 billion from institutional investors, while retail investors contributed a net inflow of 672 million [2][3] - However, there was a net outflow of 1.691 billion from speculative funds [2][3] Individual Stock Capital Flow - Dingyi Fulin (601138) had a net inflow of 1.242 billion from institutional investors, but a net outflow of 678 million from speculative funds [3] - Lingyi Intelligent Manufacturing (002600) saw a net inflow of 541 million from institutional investors, with a net outflow of 237 million from speculative funds [3] - Longyang Electronics (301389) had a net inflow of 323 million from institutional investors, but faced a net outflow of 11.652 million from speculative funds [3]

Group 1 - Longyang Electronics and Jin'an Guoji both hit the daily limit up in the afternoon trading session [1] - Jiangnan New Materials and Woge Optoelectronics previously reached the daily limit up [1] - Other companies such as Dongcai Technology, Fangbang Co., Jiyuan Technology, Tongguan Copper Foil, and Dongwei Technology also experienced gains [1]

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

隆扬电子今日涨停，全天换手率32.83%，成交额15.47亿元，振幅19.06%。龙虎榜数据显示，机构净买 入743.05万元，深股通净买入1332.09万元，营业部席位合计净买入8077.88万元。 深交所公开信息显示，当日该股因日收盘价涨幅达20.00%上榜，机构专用席位净买入743.05万元，深股 通净买入1332.09万元。 证券时报·数据宝统计显示，上榜的前五大买卖营业部合计成交4.32亿元，其中，买入成交额为2.67亿 元，卖出成交额为1.65亿元，合计净买入1.02亿元。 具体来看，今日上榜的营业部中，共有3家机构专用席位现身，即买五、卖二、卖三，合计买入金额 4849.74万元，卖出金额4106.70万元，合计净买入743.05万元，深股通为第一大买入营业部及第一大卖 出营业部，买入金额为1.10亿元，卖出金额为9625.86万元，合计净买入1332.09万元。 近半年该股累计上榜龙虎榜9次，上榜次日股价平均涨4.14%，上榜后5日平均跌0.70%。 资金流向方面，今日该股主力资金净流入3.39亿元，其中，特大单净流入3.75亿元，大单资金净流出 3628.26万元。近5日主力资金净流入2.3 ...

证券之星消息，8月27日消费电子板块较上一交易日下跌0.3%，朝阳科技领跌。当日上证指数报收于 3800.35，下跌1.76%。深证成指报收于12295.07，下跌1.43%。消费电子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) | | | --- | --- | --- | --- | --- | --- | --- | | 301389 | 隆扬电子 | 60.48 | 20.00% | 26.95万 | | 15.47亿 | | 688775 | 影石创新 | 296.20 | 7.83% | 8.73万 | | 25.52亿 | | 300843 | 胜蓝股份 | 55.34 | 4.81% | 19.50万 | | 10.59 乙 | | 838701 | 豪声电子 | 24.35 | 3.66% | 8.81万 | | 2.08亿 | | 300433 | 蓝思科技 | 31.40 | 3.63% | 207.64万 | | 65.89 Z | | 603626 | 科森科技 | 16.12 | 3.33% | 173.34万 | | 27. ...