关于使用部分闲置募集资金进行现金管理到期赎回的公告 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。 河北中瓷电子科技股份有限公司（以下简称"公司"或"中瓷电子"）于 2025 年 4 月 23 日召开第二届董事会第三十二次会议、第二届监事会第二十五次 会议，审议通过了《关于使用部分闲置募集资金进行现金管理的议案》，该议案 经 2025 年 5 月 15 日召开的 2024 年年度股东大会审议通过，同意公司使用不超过 人民币 18.3 亿元的闲置募集资金进行现金管理，用于购买安全性高、流动性好、 满足保本要求、产品投资期限最长不超过 12 个月的由银行发行的保本型约定存 款。上述资金额度在有效期内循环滚动使用。具体内容详见公司在巨潮资讯网 （http://www.cninfo.com.cn）和指定信息披露媒体上披露的相关公告。 一、本次使用部分闲置募集资金进行现金管理到期赎回的情况 河北中瓷电子科技股份有限公司与中信银行股份有限公司石家庄分行签订了 《中信银行结构性存款产品说明书》，使用闲置募集资金 4,500 万元购买了"共 赢智信汇率挂钩人民币结构性存款 A ...

证券代码：003031 证券简称：中瓷电子 公告编号：2025-099 河北中瓷电子科技股份有限公司 关于使用部分闲置募集资金进行现金管理的进展公告 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。 河北中瓷电子科技股份有限公司（以下简称"公司"或"中瓷电子"）于 2025 年 4 月 23 日召开第二届董事会第三十二次会议、第二届监事会第二十五次 会议，审议通过了《关于使用部分闲置募集资金进行现金管理的议案》，该议案 经 2025 年 5 月 15 日召开的 2024 年年度股东大会审议通过，同意公司使用不超过 人民币 18.3 亿元的闲置募集资金进行现金管理，用于购买安全性高、流动性好、 满足保本要求、产品投资期限最长不超过 12 个月的由银行发行的保本型约定存 款。上述资金额度在有效期内循环滚动使用。具体内容详见公司在巨潮资讯网 （http://www.cninfo.com.cn）和指定信息披露媒体上刊登的《关于使用部分闲置 募集资金进行现金管理的公告》（公告编号 2025-034）。 现将公司使用部分闲置募集资金进行现金管理的实施进展情况公告如下： 一、 ...

证券代码：003031 证券简称：中瓷电子 公告编号：2025-096 河北中瓷电子科技股份有限公司 关于使用部分闲置募集资金进行现金管理到期赎回的公告 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。 河北中瓷电子科技股份有限公司（以下简称"公司"或"中瓷电子"）于 2025 年 4 月 23 日召开第二届董事会第三十二次会议、第二届监事会第二十五次 会议，审议通过了《关于使用部分闲置募集资金进行现金管理的议案》，该议案 经 2025 年 5 月 15 日召开的 2024 年年度股东大会审议通过，同意公司使用不超过 人民币 18.3 亿元的闲置募集资金进行现金管理，用于购买安全性高、流动性好、 满足保本要求、产品投资期限最长不超过 12 个月的由银行发行的保本型约定存 款。上述资金额度在有效期内循环滚动使用。具体内容详见公司在巨潮资讯网 （http://www.cninfo.com.cn）和指定信息披露媒体上披露的相关公告。 截至本公告日，公司已如期赎回上述理财产品，分别赎回本金 2,400 万元、 2,600 万元，获得理财收益分别为 16.54 万元、3. ...

证券代码：003031 证券简称：中瓷电子 公告编号：2025-097 河北中瓷电子科技股份有限公司 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。 关于使用部分闲置募集资金进行现金管理的进展公告 河北中瓷电子科技股份有限公司（以下简称"公司"或"中瓷电子"）于 2025 年 4 月 23 日召开第二届董事会第三十二次会议、第二届监事会第二十五次 会议，审议通过了《关于使用部分闲置募集资金进行现金管理的议案》，该议案 经 2025 年 5 月 15 日召开的 2024 年年度股东大会审议通过，同意公司使用不超过 人民币 18.3 亿元的闲置募集资金进行现金管理，用于购买安全性高、流动性好、 满足保本要求、产品投资期限最长不超过 12 个月的由银行发行的保本型约定存 款。上述资金额度在有效期内循环滚动使用。具体内容详见公司在巨潮资讯网 （http://www.cninfo.com.cn）和指定信息披露媒体上刊登的《关于使用部分闲置 募集资金进行现金管理的公告》（公告编号 2025-034）。 现将公司使用部分闲置募集资金进行现金管理的实施进展情况公告如下： 一、 ...

Group 1 - The Shanghai Stock Exchange's Sci-Tech Innovation Board semiconductor materials and equipment index fell by 1.62% as of September 25, 2025, with mixed performance among constituent stocks [1] - The Sci-Tech Semiconductor ETF (588170) decreased by 1.75%, with the latest price at 1.46 yuan, while its trading volume was active with a turnover of 18.85% and a total transaction value of 267 million yuan [1] - The latest scale of the Sci-Tech Semiconductor ETF reached a new high of 1.43 billion yuan, with the number of shares also hitting a record of 967 million [1] Group 2 - According to data from SEMI, global silicon wafer shipments in Q2 2025 reached 3.327 billion square inches, marking four consecutive quarters of year-on-year growth and the highest level since Q3 2023 [2] - The semiconductor equipment and materials industry is a key area for domestic substitution, benefiting from the expansion of semiconductor demand driven by the AI revolution and advancements in lithography technology [2] - The Sci-Tech Semiconductor ETF (588170) and its linked funds focus on semiconductor equipment (59%) and materials (25%), indicating a strong emphasis on the upstream semiconductor sector [2]

Core Viewpoint - The company has made significant advancements in its silicon carbide chip production and new product development, indicating a strong position in the semiconductor industry [1] Group 1: Silicon Carbide Chip Production - The silicon carbide chip wafer process line has been upgraded from 6 inches to 8 inches and is currently operational, entering the product upgrade and customer onboarding phase [1] - The company is actively working on the development of 3.2Tbps products in collaboration with customers, expanding its capabilities in high-speed communication [1] Group 2: New Product Development - The company has achieved milestone progress in the research and development of ceramic components, successfully validating them with domestic semiconductor equipment and achieving mass production [1] - The aluminum nitride multilayer thin and thick film products have seen rapid growth, with applications in high-frequency and high-speed optical modules, particularly in AI and data center scenarios [1] Group 3: Optical Communication Devices - The company’s optical communication device housings have achieved transmission rates covering a wide range from 2.5Gbps to 1.6Tbps, all of which are in mass production [1]

Core Viewpoint - Hebei Zhongci Electronic Technology Co., Ltd. has experienced significant growth in net profit in the first half of 2025, driven by the increase in high-end product output and effective cost reduction measures [1] Group 1: Financial Performance - The company's net profit for the first half of 2025 increased due to the ramp-up of high-end products and significant improvements in profitability [1] - The company maintains a high capacity utilization rate, seizing opportunities in the optical module market to accelerate the construction of electronic ceramic shell production lines [1] Group 2: Industry Opportunities - The growth in AI computing power demand is driving the development of the digital economy, leading to sustained growth in the semiconductor and communication industries [1] - The market for optical modules and semiconductor equipment is expanding, with the company aiming to increase its market share in the third-generation semiconductor gallium nitride (GaN) RF chips and devices [1] Group 3: Product Development - The company is actively involved in the research and development of 3.2Tbps products in collaboration with clients, with current optical communication device shell transmission rates covering 2.5Gbps to 10Gbps [1] - The company has upgraded its silicon carbide (SiC) chip wafer process line from 6 inches to 8 inches, which is currently in the product upgrade and customer introduction phase [1] Group 4: Project Progress - The construction of the "GaN microwave product precision manufacturing production line" and "communication power amplifier and microwave integrated circuit R&D center" is underway, with the main structure already completed [1] - The timeline for the "third-generation semiconductor process and testing platform construction project" has been extended to October 2027 due to various objective factors [1] Group 5: Technological Advancements - The subsidiary, Bowei Company, is advancing key technology breakthroughs and R&D for RF chips and devices for next-generation communication systems, including 5G-A, 6G, and Starlink communication [1] - The company has developed core materials and supporting metallization systems for precision ceramic components, achieving international standards and user validation for its ceramic heating plate products [1]

随着 AI 算力需求的持续增长，将推动数字经济蓬勃发展， 带动半导体、通信、消费电子、新能源汽车等行业持续增长，以 光模块为代表的电子元器件和半导体设备等行业市场规模持续 上升。第三代半导体氮化镓通信基站射频芯片与器件领域，紧密 围绕战略目标，坚持"市场牵引、科技驱动"，在保持现有优势 的基础上，进一步提升市场占有率，保障公司持续、健康、稳定 发展。第三代半导体碳化硅功率模块及其应用领域，上半年碳化 硅芯片晶圆工艺线经过升级改造由 6 英寸升级为 8 英寸，目前已 通线，处于产品升级及客户导入阶段，今后将有效提升国联万众 碳化硅功率产品的市场竞争力。 3.公司光模块陶瓷产品中哪一类产品增长幅度较大？ 光通信市场的繁荣给公司光通讯相关产品领域订单带来增 长，公司氮化铝多层薄厚膜产品实现快速增长，产品应用于高频 高速光模块中，应用于 AI 智能和数据中心等新场景。公司时刻 关注该类产品更新换代趋势，紧跟市场及技术方向来加快新产品 开发，产品结构将随市场需求变化而调整。公司在积极开展现有 业务的同时，也在不断探索和跟进行业发展趋势及市场需求。 4.公司电子陶瓷领域目前产能利用率如何？ 公司产能利用率始终维持在较高水 ...

Core Viewpoint - The announcement from Zhongci Electronics indicates a significant reduction in shareholding by Guoyuan Fund, which may impact the company's stock performance and investor sentiment [1] Group 1: Shareholding Changes - Guoyuan Fund has reduced its holdings in Zhongci Electronics by 1,815,620 shares, representing 0.40% of the total share capital [1] - Following this reduction, the combined shareholding of the controlling shareholder, China Electronics Technology Group Corporation No. 13 Research Institute, and Guoyuan Fund decreased from 63.37% to 62.97% [1] Group 2: Financial Impact - The weighted average price of Zhongci Electronics shares during the reduction period was 58.746 yuan, leading to an estimated reduction amount of approximately 107 million yuan [1] - Guoyuan Fund's initial plan was to reduce its holdings by up to 4,510,529 shares, or 1% of the total shares, within a specified timeframe [1]

证券代码：003031 证券简称：中瓷电子 公告编号：2025-095 河北中瓷电子科技股份有限公司 关于控股股东的一致行动人减持股份触及 1%整数倍 的公告 合肥中电科国元产业投资基金合伙企业（有限合伙）保证向本公司提供的 信息内容真实、准确、完整，没有虚假记载、误导性陈述或重大遗漏。 河北中瓷电子科技股份有限公司（以下简称"公司"）于 2025 年 7 月 14 日披露了《关于股东减持股份的预披露公告》（公告编号：2025-062），合肥中 电科国元产业投资基金合伙企业（有限合伙）（以下简称"国元基金"）计划自 本公告披露之日起 15 个交易日后的三个月内（即 2025 年 8 月 4 日-2025 年 11 月 3 日），以集中竞价和/或大宗交易方式减持持有的公司股份不超过 451.0529 万股，即不超过公司股份总数的 1%（如遇送股、资本公积金转增股本等股份变 动事项，上述拟减持股份数量可以进行相应调整）。 公司于近日收到国元基金出具的《关于减持计划进展的告知函》，国元基 金通过深圳证券交易所交易系统以集中竞价交易方式累计减持公司股份 1,815,620股，占公司当前总股本的0.40%。本次权益变动 ...