赛微电子公告，全资子公司微芯科技与初芯科技、吕朋钊签署合伙协议，共同投资设立初芯微科技。其 中，初芯科技以8800万元占40%出资比例，微芯科技和吕朋钊各以6600万元占30%。初芯微科技已完成 工商注册登记并取得营业执照。近日，初芯微科技召开合伙人会议，确认投资标的及方案，并签署补充 协议，修改原协议部分内容。补充协议自签署之日起生效，若未能在约定时间内达成事宜，则按原协议 执行。 ...

证券代码：300456 证券简称：赛微电子 公告编号：2025-109 北京赛微电子股份有限公司 关于全资子公司对外投资设立合伙企业的进展公告 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。 一、前期情况概述 因业务发展需要，北京赛微电子股份有限公司（以下简称"公司"）全资子 公司北京微芯科技有限公司（以下简称"微芯科技"）与青岛初芯共创科技有限 公司（以下简称"初芯科技"）、吕朋钊签署《合伙协议》（以下简称"原协议"）， 共同投资设立杭州初芯微科技合伙企业（有限合伙）（以下简称"初芯微科技" 或"合伙企业"）。其中，初芯科技作为普通合伙人/执行事务合伙人（GP）以货 币认缴出资 8,800 万元，占合伙企业出资比例的 40.00%；微芯科技作为有限合 伙人（LP）以货币认缴出资 6,600 万元，占合伙企业出资额的 30%；吕朋钊作为 有限合伙人（LP）以货币认缴出资 6,600 万元，占合伙企业出资额的 30%。具体 内容详见公司在巨潮资讯网（http://www.cninfo.com.cn）披露的《关于全资子 公司对外投资设立合伙企业的公告》。 2025 ...

Core Viewpoint - Saiwei Electronics is advancing its research and development in silicon photonic communication chip manufacturing technology at its Fab3 facility in Beijing, with the MEMS-OCS now entering the risk trial production phase [2]. Group 1: Company Developments - The company is focused on continuous technological breakthroughs and foundational application research related to silicon photonic communication chips [2]. - The MEMS-OCS, a core component of optical communication networks, is being developed for various applications including optical network protection, real-time optical path monitoring, fiber testing, optical device testing, optical sensing, optical add-drop multiplexing, and optical cross-connect equipment [2].

证券日报网讯12月16日，赛微电子（300456）在互动平台回答投资者提问时表示，公司控股股东质押的 股票从未参与转融通相关业务，也不打算参与转融通相关业务。 ...

格隆汇12月16日丨赛微电子(300456.SZ)在投资者互动平台表示，公司控股股东质押的股票从未参与转 融通相关业务，也不打算参与转融通相关业务。 ...

（原标题：赛微电子(300456.SZ)：公司与安世中国双方暂无合作关系） 格隆汇12月16日丨赛微电子(300456.SZ)在投资者互动平台表示，公司与安世中国双方暂无合作关系。 ...

（原标题：赛微电子(300456.SZ)：公司未涉及存储芯片相关的业务） 格隆汇12月16日丨赛微电子(300456.SZ)在投资者互动平台表示，公司未涉及存储芯片相关的业务。 ...

格隆汇12月16日丨赛微电子(300456.SZ)在投资者互动平台表示，截至目前，公司持有瑞典Silex 45.24% 股权，拥有2个董事席位，具有参与重大事项决策的权利。 （原标题：赛微电子(300456.SZ)：截至目前，公司持有瑞典Silex 45.24%股权） ...

New Stock Issuance - The new stock "健信超导" (code: 787805) is issued at a price of 18.58[1] - The new stock "昂瑞微" (code: 688790) is listed at a price of 83.06[1] Rights Issues and Offers - "荃银高科" (code: 300087) has a tender offer period from December 4, 2025, to January 5, 2026[1] - "天普股份" (code: 605255) has a tender offer period from November 20, 2025, to December 19, 2025[1] Delisting and Trading Alerts - "退市苏吴" (code: 600200) has 10 trading days remaining until the last trading day[1] - "ST广道" (code: 920680) has 12 trading days remaining until the last trading day[1] Stock Performance Alerts - "赛微电子" (code: 300456) has reported severe abnormal fluctuations[1] - "ST立方" (code: 300344) has also reported severe abnormal fluctuations[1]

Market Overview - The market experienced fluctuations with the Shanghai Composite Index falling by 0.55%, the Shenzhen Component down by 1.1%, and the ChiNext Index decreasing by 1.77% [1] Sector Performance - The consumer sector saw significant gains, with the liquor concept being particularly active, highlighted by Zhongrui Co., which achieved two consecutive trading limits [2] - The dairy sector surged, with Huangshi Group and Sunshine Dairy reaching their daily limits [2] - Retail stocks performed strongly, with Baida Group and Guangbai Co. also hitting their daily limits [2] - The insurance sector strengthened, with China Ping An rising nearly 5%, reaching a four-year high [3] - The commercial aerospace concept remained active, with Hualing Cable and Zhongchao Holdings achieving three consecutive trading limits [4] Declining Sectors - The film and cinema sector saw a decline, with Bona Film Group hitting the lower limit [5] - The computing hardware sector weakened, with Changfei Optical Fiber reaching the lower limit [6] Trading Volume - The total trading volume in the Shanghai and Shenzhen markets was 1.77 trillion yuan, a decrease of 318.8 billion yuan compared to the previous trading day [7] - Notable individual stock trading volumes included Zhongji Xuchuang at over 17.3 billion yuan, New Yisheng at over 16.5 billion yuan, and several others exceeding 10 billion yuan [7]