Core Viewpoint - Recently, Ningbo Jiangfeng Boxin Technology Co., Ltd. was established, focusing on new material technology research and promotion services, indicating a strategic move by Jiangfeng Electronics to expand its business scope in the new materials sector [1] Company Summary - Ningbo Jiangfeng Boxin Technology Co., Ltd. is wholly owned by Jiangfeng Electronics (300666), reflecting the company's commitment to investing in new technology and materials [1] - The company's business scope includes new material technology research and promotion services, as well as information consulting services, which may enhance Jiangfeng Electronics' market position in the technology sector [1]

一、股东股份解除质押及延期购回基本情况 1、本次股份解除质押基本情况 ■ 登录新浪财经APP 搜索【信披】查看更多考评等级 证券代码：300666 证券简称：江丰电子 公告编号：2025-103 宁波江丰电子材料股份有限公司 关于控股股东、实际控制人部分股份 解除质押及延期购回的公告 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。 宁波江丰电子材料股份有限公司（以下简称"公司"）于近日接到控股股东、实际控制人姚力军先生的通 知，获悉其所持有本公司部分股份分别办理了解除质押及延期购回业务，具体事项如下： 三、备查文件 2、本次股份质押延期购回基本情况 ■ 二、股东股份累计质押基本情况 截至本公告披露日，姚力军先生所持质押股份情况如下： ■ 1、股票质押式回购交易协议书； 2、中国证券登记结算有限责任公司证券质押及司法冻结明细表。 特此公告。 宁波江丰电子材料股份有限公司董事会 闲置募集资金的公告 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。 宁波江丰电子材料股份有限公司（以下简称"公司"）于2024年10月23 ...

证券代码：300666 证券简称：江丰电子 公告编号：2025-103 宁波江丰电子材料股份有限公司 关于控股股东、实际控制人部分股份解除质押 及延期购回的公告 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。 宁波江丰电子材料股份有限公司（以下简称"公司"）于近日接到控股股 东、实际控制人姚力军先生的通知，获悉其所持有本公司部分股份分别办理了 解除质押及延期购回业务，具体事项如下： 一、股东股份解除质押及延期购回基本情况 | 股东 名称 | 是否为控 股股东或 第一大股 | 本次解除质 押股份数量 | 占其所持股 份比例 | 占公司目前 总股本比例 | 起始日 | 解除日期 | 质权人 | | --- | --- | --- | --- | --- | --- | --- | --- | | | 东及其一 致行动人 | （股） | （%） | （%） | | | | | 姚力军 | 是 | 1,040,000 | 1.83 | 0.39 | 2024-9-12 | 2025-9-12 | 国泰 海通 证券 股份 有限 公司 | | | | | | | | | ...

证券代码：300666 证券简称：江丰电子 公告编号：2025-104 宁波江丰电子材料股份有限公司 关于归还暂时补充流动资金的闲置募集资金的公告 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。 宁波江丰电子材料股份有限公司（以下简称"公司"）于2024年10月23日 召开第四届董事会第十一次会议、第四届监事会第十一次会议，审议通过了 《关于使用部分闲置募集资金暂时补充流动资金的议案》，同意公司在保证募 集资金投资项目的资金需求以及募集资金使用计划正常进行的前提下，使用向 特定对象发行股票闲置募集资金不超过人民币2.00亿元暂时补充流动资金，使 用期限为董事会审议通过之日起不超过12个月，到期将归还至募集资金专户。 具体内容详见公司于2024年10月24日发布在巨潮资讯网（www.cninfo.com.cn） 的《关于使用部分闲置募集资金暂时补充流动资金的公告》（公告编号：2024- 107）。 在使用闲置募集资金暂时补充流动资金期间，公司对该资金进行了合理的 安排使用，仅用于与公司主营业务相关的生产经营活动，没有变相改变募集资 金用途，未影响募集资金投资项目 ...

Company Overview - Jiangfeng Electronics, established on April 14, 2005, and listed on June 15, 2017, is located in Yuyao City, Zhejiang Province. The company specializes in the research, production, and sales of high-purity sputtering targets and metal materials [1][2]. Financial Performance - For the first half of 2025, Jiangfeng Electronics achieved a revenue of 2.095 billion yuan, representing a year-on-year growth of 28.71%. The net profit attributable to shareholders was 253 million yuan, reflecting a year-on-year increase of 56.79% [2]. - Since its A-share listing, the company has distributed a total of 279 million yuan in dividends, with 188 million yuan distributed over the past three years [3]. Stock Performance - As of September 11, Jiangfeng Electronics' stock price increased by 2.04%, reaching 75.20 yuan per share, with a total market capitalization of 19.952 billion yuan. The stock has risen by 8.76% year-to-date and has shown a 2.05% increase over the last five trading days [1]. - The company experienced a net inflow of 9.0331 million yuan in main funds, with significant buying and selling activity noted [1]. Shareholder Information - As of August 29, the number of shareholders for Jiangfeng Electronics was 47,700, an increase of 0.51% from the previous period. The average number of circulating shares per person decreased by 0.51% to 4,639 shares [2]. - Among the top ten circulating shareholders, E Fund's ChiNext ETF holds 5.162 million shares, a decrease of 47,200 shares from the previous period, while Hong Kong Central Clearing Limited is a new shareholder with 4.4673 million shares [3]. Business Segments - The main revenue composition of Jiangfeng Electronics includes ultra-high purity targets (63.26%), precision components (21.90%), and other products (14.84%) [1]. - The company operates within the semiconductor materials sector and is categorized under electronic chemicals, mid-cap stocks, and third-generation semiconductors [1].

（文章来源：证券日报） 证券日报网讯江丰电子9月10日在互动平台回答投资者提问时表示，参股公司宁波芯丰精密科技有限公 司参加了CSEAC2025展会，其展位号是C1-88。 ...

证券日报网讯江丰电子（300666）9月10日在互动平台回答投资者提问时表示，宁波芯丰精密科技有限 公司为公司参股公司，公司与芯丰精密开展日常合作。 ...

Core Viewpoint - Jiangfeng Electronics (300666) emphasizes its comprehensive product line covering advanced processes, mature processes, and specialty processes, establishing a leading and complete sputtering target solution system in the industry [1] Group 1 - The company focuses on technological innovation as its foundation and continuously increases R&D investment [1] - Jiangfeng Electronics leverages its independent innovation advantages to keep pace with the most advanced integrated circuit technologies globally [1] - The company maintains a core competitive advantage in the semiconductor field by adapting market strategies and responding flexibly to the evolving technical requirements of downstream customers [1]

Core Viewpoint - Jiangfeng Electronics (300666) has developed and applied the first domestic automated target material production line, which is expected to enhance production efficiency and optimize human resource costs while transitioning to a smart-led operational model [1] Group 1 - The company is advancing the construction of a smart factory, with key modules such as intelligent three-dimensional warehouses, flexible automated production lines, and digital integration systems entering individual testing [1] - Full-line joint debugging and testing are about to commence, aiming to create an efficient and interconnected smart production network [1] - The transition from a "data-driven" to a "smart-led" operational model is set to establish a flexible, intelligent, and efficient new production system, laying a solid foundation for long-term development and competitive advantage in the industry [1]

Group 1 - The company Jiangfeng Electronics (300666) responded to investor inquiries on September 10, indicating that as of August 29, 2025, the total number of combined shareholders is 47,670 [1]