Core Viewpoint - Beijing Junzheng (300223.SZ) announced a plan for certain shareholders and executives to reduce their holdings, which may impact the company's stock performance and investor sentiment [1][2]. Shareholder Reduction Plan - Shareholders including Beijing Sihai Junxin Co., Ltd., and several executives plan to reduce a total of 2,630,000 shares, representing 0.5450% of the company's total share capital, between August 12, 2025, and November 11, 2025 [1]. - The breakdown of the planned reductions includes: - Beijing Sihai Junxin: 800,000 shares (0.1658%) - Li Jie: 800,000 shares (0.1658%) - Xian Yonghui: 600,000 shares (0.1243%) - Zhang Yanxiang: 180,000 shares (0.0373%) - Zhang Min: 250,000 shares (0.0518%) [1]. Current Shareholding Structure - As of the announcement date, the shareholding structure is as follows: - Beijing Sihai Junxin: 6,818,009 shares (1.41%) - Li Jie: 18,717,785 shares (3.88%) - Xian Yonghui: 9,936,359 shares (2.06%) - Zhang Yanxiang: 757,331 shares (0.16%) - Zhang Min: 1,351,363 shares (0.28%) [2]. Control and Impact on Company Operations - The reduction plan will be executed in a manner that ensures no change in the company's control and does not affect its ongoing operations [2]. - Li Jie and Liu Qiang are identified as concerted actors, ensuring that the reduction will not lead to a change in control [2]. Fundraising History - Beijing Junzheng raised a total of 2.807 billion RMB through two private placements in 2020 and 2021 [3][4]. - In 2020, the company raised approximately 1.5 billion RMB by issuing 18,181,818 shares at 82.50 RMB per share [3]. - In 2021, the company raised approximately 1.307 billion RMB by issuing 12,592,518 shares at 103.77 RMB per share, with a net amount received of approximately 1.281 billion RMB after fees [4]. Previous Share Reductions - Since July 12, 2023, Beijing Sihai Junxin has cumulatively reduced its holdings by 2.2729 million shares, realizing approximately 221 million RMB [4]. - Xian Yonghui has reduced his holdings by 1.3923 million shares since December 20, 2013, with total cashing out of approximately 112 million RMB [4].

北京君正（300223）公告，股东北京四海君芯有限公司计划减持80万股，占公司总股本比例0.1658%。 控股股东暨实际控制人之一、董事李杰计划减持80万股，占公司总股本比例0.1658%。董事兼副总经理 冼永辉计划减持60万股，占公司总股本比例0.1243%。董事张燕祥计划减持18万股，占公司总股本比例 0.0373%。副总经理兼董事会秘书张敏计划减持25万股，占公司总股本比例0.0518%。减持期间为2025 年8月12日至2025年11月11日，减持方式为集中竞价。 ...

部分股东及董事、高级管理人员减持股份预披露公告 公司股东北京四海君芯有限公司、控股股东暨实际控制人之一/董事李杰、 董事冼永辉、董事张燕祥、高级管理人员张敏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。 本公司及董事会全体成员保证公告内容与信息披露义务人提供的信息一致。 特别提示： 证券代码：300223 证券简称：北京君正 公告编号：2025-039 北京君正集成电路股份有限公司 1、持有本公司股份 6,818,009 股（占本公司总股本比例 1.41%）的股东北京 四海君芯有限公司（以下简称"四海君芯"）计划在 2025 年 8 月 12 日至 2025 年 11 月 11 日的三个月内以集中竞价方式减持本公司股份 800,000 股（占本公司 总股本比例 0.1658%）； 2、持有本公司股份 18,717,785 股（占本公司总股本比例 3.88%）的控股股 东暨实际控制人之一、董事李杰计划在 2025 年 8 月 12 日至 2025 年 11 月 11 日 的三个月内以集中竞价方式减持本公司股份 800,000 股（占本公司总股本比例 0.1658%）； 3、持 ...

Investment Rating - The industry investment rating is "Positive (Maintain)" [5] Core Viewpoints - The niche DRAM market is undergoing a supply-demand reshaping, driven by AI and domestic substitution opportunities, indicating a sustained market outlook [3][22] - The niche DRAM market is not only a stock market but also a growth market, with the market size expected to grow from $8.5 billion in 2024 to $12.2 billion in 2026 [8][18] - The supply gap for DDR4 and LPDDR4 is expected to persist, benefiting Tier 2 suppliers like Zhaoyi Innovation [21][22] Summary by Sections Investment Recommendations and Targets - Recommended companies to focus on include Zhaoyi Innovation, Beijing Junzheng, Fudan Microelectronics, and others [3][22] Market Dynamics - The demand for DDR4 and LPDDR4 remains stable across various sectors, including consumer electronics, industrial, and automotive markets [8][12] - The contract prices for DDR4 are expected to continue rising, with projected increases of 38%-43% in the PC market and 40%-45% in the consumer market for Q3 [12][15] - NAND product prices have shown a consistent upward trend, with increases of 17.4% and 15.6% for specific NAND Flash products since June [9][12] Supply Chain Insights - Major manufacturers are exiting the DDR4 and LPDDR4 markets, leading to a supply shortage that is expected to drive prices up [21][22] - The ongoing production cuts by Micron are anticipated to exacerbate the LPDDR4 shortage, with price increases expected [12][17] Market Growth Projections - The niche DRAM market is projected to grow significantly, with AI applications driving demand for higher data processing and storage capabilities [18][19] - The overall market for niche DRAM is expected to see a substantial increase in demand due to advancements in technology and new application scenarios [18][19]

证券代码：300223 证券简称：北京君正 公告编号：2025-038 二○二五年七月十七日 | 1.基本情况 | | | | | --- | --- | --- | --- | | 信息披露义务人 | 北京屹唐盛芯半导体产业投资中心（有限合伙） | | | | 住所 | 北京市北京经济技术开发区景园北街 2 号 52 幢 309 室 | | | | 权益变动时间 | 2025 年 6 月 30 日到 2025 年 7 月 16 日 北京屹唐盛芯半导体产业投资中心（有限合伙）根据自身经营 | | | | 安排，于 | 2025 年 6 月 30 日至 2025 年 7 月 16 日，通过集中竞 价方式减持公司股份 万股。北京屹唐盛芯半导体产 | | | | 权益变动过程 | 482.5372 业投资中心（有限合伙）不属于公司的控股股东和实际控制人， | | | | | 本次权益变动不会导致公司控制权发生变更，不会对公司的持 | | | | | 续性经营产生影响。 | | | | 股票简称 北京君正 | 股票代码 300223 | | | | 变动方向 上升□ | 下降√ 一致行动人 有□ | 无√ | | | ...

一、股东股份质押基本情况 1、本次股份质押基本情况 | 股东 | 是否为控 股股东或 第一大股 | 本次质押 | 占其所 持股份 | 占公司 总股本 | 是否 为限 | 是否为 补充 | 质押起 | | 质押到 | | 质权人 | 质押 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 名称 | | 数量（股） | | | | | 始日 | | 期日 | | | 用途 | | | 东及其一 | | 比例 | 比例 | 售股 | 质押 | | | | | | | | | 致行动人 | | | | | | | | | | | | | 李杰 | 是 | 635,600 | 3.40% | | | | 2025 | | 9999 | | 国泰海通 | 个人资 | | | | | | 0.13% | 否 | 否 | 年 7 | 月 | 年 1 | 月 | 证券股份 | 金需求 | | | | | | | | | 15 日 | | 1 日 | | 有限公司 | | 2、股东股份累计质押情况 截至公告披露日 ...

| | 代码 7 | 简称 | 收盘价(原始币种) | 权重 | | --- | --- | --- | --- | --- | | 1 | 300308.SZ | 中际旭创 | 149.82 | 12.4085% | | 2 | 300502.SZ | 新易盛 | 130.90 | 11.6006% | | 3 | 300394.SZ | 天孚通信 | 84.99 | 4.1995% | | ব | 301236.SZ | 软通动力 | 53.15 | 3.9140% | | 5 | 300442.SZ | 润泽科技 | 48.38 | 2.9276% | | 6 | 300458.SZ | 全志科技 | 38.27 | 2.8722% | | 7 | 300474.SZ | 景嘉微 | 71.51 | 2.8116% | | 8 | 300454.SZ | 深信服 | 89.83 | 2.7406% | | ə | 300223.SZ | 北京君正 | 66.93 | 2.7002% | | 10 | 300017.SZ | 网宿科技 | 10.31 | 2.6805% | 从投资逻辑来看，中国软科技实力 ...

证券代码：300223 证券简称：北京君正 公告编号：2025-036 北京君正集成电路股份有限公司 股东部分股份质押和解除质押的公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 北京君正集成电路股份有限公司（以下简称"公司"）近日收到控股股东李 杰的通知，获悉其所持有本公司的部分股份办理了质押和解除质押手续，具体事 项如下： 一、股东股份质押基本情况 | 股东 | 是否为控 股股东或 | 本次质押 | 占其所 | 占公司 | 是否 | 是否为 | 质押起 | | 质押到 | | 质押 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 名称 | 第一大股 | 数量（股） | 持股份 | 总股本 | 为限 | 补充 | 始日 | | 期日 | 质权人 | 用途 | | | 东及其一 | | 比例 | 比例 | 售股 | 质押 | | | | | | | | 致行动人 | | | | | | | | | | | | 李杰 | 是 | 4,448,800 | ...

Industry Overview - The Internet of Things (IoT) chip industry has a comprehensive supply chain, with upstream suppliers providing raw materials and equipment, midstream manufacturers handling design, production, and testing, and downstream application service providers integrating chips into various devices [1][2]. Key Players - Major upstream suppliers include SMIC, Zhonghuan, Nanda Optoelectronics, and others, while midstream manufacturers consist of ZTE, Tailin Microelectronics, and others. Downstream service providers include Alibaba Cloud, China Mobile IoT, and Xiaomi [2]. Regional Distribution - Key IoT chip companies are concentrated in economically developed regions such as Jiangsu, Guangdong, Beijing, and Shanghai, with Jiangsu and Shanghai showing rapid development in the IoT chip sector [4]. Business Layout Comparison - Companies like Silan Micro, SiTewave, and Allwinner Technology focus primarily on the domestic market, while Beijing Junzheng, Zhaoyi Innovation, and Ankai Micro target international markets. Tailin Microelectronics has a significant focus on IoT chips, with 90.62% of its revenue coming from this sector [6][8]. Investment Trends and Business Plans - Companies are increasing R&D investments to enhance chip performance. For instance, Ruixin Micro plans to launch a new AI vision chip by May 2025, while Allwinner Technology is focusing on low-power designs for its IoT Bluetooth audio chips [9][10].

Group 1 - The A-share market experienced an overall pullback on July 7, with AI hardware sectors like optical modules and optical communications leading the decline, as companies such as Zhongji Xuchuang and Tianfu Communication fell over 4% [1] - The AI computing sector is showing signs of rapid recovery, providing a low-entry opportunity for investors, as Nvidia's GB200 production peaks and the next-generation AI server chip GB300 is expected to launch in the second half of 2025 [1] - According to Galaxy Securities, the current market is at the bottom of AI expectations, indicating a potential revival in the AI computing industry chain, which could lead to new investment opportunities [1] Group 2 - Investors can focus on the 5G Communication ETF (515050), which tracks the CSI 5G Communication Theme Index and covers key players in the Nvidia, Apple, and Huawei supply chains across various sectors including AI computing, 6G, and consumer electronics [2] - The AI-focused ETF, Huaxia (159381), tracks the ChiNext AI Index and includes leading companies in the optical module sector, with over 33% weight in optical modules and major holdings in Zhongji Xuchuang, New Yisheng, and Tianfu Communication [2]