Core Viewpoint - Longyang Electronics (301389.SZ) is advancing its technology in high-frequency and high-speed copper foil, achieving a surface roughness RZ value of ≤0.2 micrometers, which positions the company for future applications in the 50GHz and above range [1] Group 1 - The company is utilizing unique advanced processes to continuously research high-frequency and high-speed copper foil technology [1] - The company has developed a product line, the PTS-2 series high-frequency copper foil (HVLP6 grade), which is intended to meet the technological iterations of customer products [1]

证券代码：301389 证券简称：隆扬电子 公告编号：2025-085 隆扬电子（昆山）股份有限公司 关于回购股份集中竞价减持进展的公告 本公司及董事会全体成员保证信息披露内容真实、准确和完整，没有虚假记载、 误导性陈述或重大遗漏。 隆扬电子（昆山）股份有限公司（以下简称"公司"）于2025年8月7日召开第二 届董事会第十六次会议，审议通过了《关于回购股份集中竞价减持计划的议案》，根 据公司于2024年2月19日披露的《关于使用部分超募资金回购公司股份方案的公告》 （公告编号：2024-005）和2024年2月21日《回购报告书》（公告编号：2024-008）中 的回购股份用途约定，同意公司以集中竞价交易方式减持用途为用于维护公司价值及 股东权益并将按有关规定予以全部出售的部分已回购股份，拟减持数量不超过592,393 股，占总股本的0.21%，即不超过公司总股本1%，减持期间为自本公告发布之日起15个 交易日之后六个月内（即2025年8月29日至2026年2月28日，根据中国证监会及深圳证 券交易所相关规定禁止减持的期间除外，下同），减持价格根据减持时的二级市场价 格确定。具体内容详见公司于2025年8月7 ...

Group 1 - The company, Longyang Electronics (301389), reported that as of November 10, 2025, the number of shareholders is 29,478 [1]

Group 1 - The PET copper foil sector experienced a significant decline, with Cuprum Copper Foil dropping nearly 10% [1] - Yinglian Co. saw a decrease of nearly 8%, while several other companies, including Zhongyi Technology, Defu Technology, Longyang Electronics, and Jingjia Co., all fell over 5% [1] - Yuanchen Technology and other firms also followed the downward trend [1]

Group 1 - The company, Longyang Electronics, reported that as of October 31, 2025, the number of its shareholders reached 30,509 [2]

Group 1 - The company is currently in the process of verifying its HVLP5 copper foil products with downstream customers [2] - There are no confirmed orders or intention contracts for the HVLP5 copper foil at this time [2] - The interaction took place on an investor communication platform, indicating investor interest in the company's product pipeline [2]

Group 1 - The company has completed the construction of its first HVLP5 copper foil cell factory, and equipment installation is currently underway [2] - An investor inquired about the planned production capacity of the first cell factory and the construction timeline for the second cell factory [2]

Core Viewpoint - Longyang Electronics is currently advancing the verification of its HVLP5 copper foil products with downstream customers, specifically targeting CCL manufacturers for application scenarios determined by customer needs [1] Company Summary - Longyang Electronics is in the process of validating its HVLP5 copper foil products with downstream clients [1] - The customers receiving samples are CCL manufacturers, indicating a focus on the specific requirements of these clients for end products [1]

Group 1 - The core viewpoint of the news is that Longyang Electronics (SZ 301389) is actively engaging with investors, indicating a focus on transparency and communication regarding its business operations [1] - Longyang Electronics will participate in an investor survey on November 12, 2025, with key representatives from the company present to address investor inquiries [1] - As of the latest report, Longyang Electronics has a market capitalization of 15.4 billion yuan [2] Group 2 - For the year 2024, Longyang Electronics' revenue composition is entirely from the manufacturing sector, with a 100.0% share [2]

Group 1: Financial Performance - The company achieved a revenue of 291.2 million yuan in Q3 2025, representing a year-on-year growth of 39.54% [3] - The net profit attributable to the parent company for Q3 2025 was 81.72 million yuan, reflecting a year-on-year increase of 55.19% [3] Group 2: Mergers and Acquisitions - The two acquired companies belong to the same industry and will create significant synergies, optimizing supply chain management and reducing production costs [3] - The acquisitions will enhance the company's core competitiveness in self-research capabilities due to the strong technical background and innovation capacity of the acquired firms [3] - The complementary client bases of the acquired companies will facilitate product integration and expand the existing customer pool [3] Group 3: Product Development - The company has developed HVLP5 high-frequency and high-speed copper foil with low surface roughness and high peel strength, suitable for applications in AI servers [3] - Samples of HVLP5 copper foil have been sent to several leading copper-clad laminate manufacturers in China and Japan for verification [3] - The first cell factory has been completed, with equipment installation currently underway [3] Group 4: Cash Flow and Investments - The decrease in cash funds is primarily due to cash payments for acquiring 51% of Changzhou Weisi Shuanglian and 70% of Suzhou Deyou New Materials [3]