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。 证券代码：002916 证券简称：深南电路 公告编号：2025-039 深南电路股份有限公司 关于变更持续督导保荐代表人的公告 深南电路股份有限公司（以下简称"公司"）2021 年度非公开发行 A 股股票 项目的联合保荐机构为国泰海通证券股份有限公司（下称"国泰海通"，曾用名"国 泰君安证券股份有限公司"）、中航证券有限公司（下称"中航证券"）。其中，国 泰海通指定银波先生、赵宗辉先生担任公司 2021 年度非公开发行 A 股股票项目的 保荐代表人，负责保荐工作及持续督导工作，持续督导期已于 2023 年 12 月 31 日 届满。前述期限届满后因公司尚存在募集资金使用的情形，国泰海通和中航证券 继续就相关事项履行持续督导义务。截至目前，公司募集资金已使用完毕。 公司于今日收到国泰海通出具的《关于更换深南电路股份有限公司持续督导 保荐代表人的函》，原保荐代表人赵宗辉先生因工作变动，无法继续从事公司的持 续督导工作。鉴于部分持续督导义务尚未履行完毕，为保证后续工作的有序进行， 国泰海通现委派保荐代表人许磊先生接替赵 ...

Market Performance - The component sector increased by 4.81% compared to the previous trading day, with Nanya Technology leading the gains [1] - The Shanghai Composite Index closed at 3917.36, up 0.69%, while the Shenzhen Component Index closed at 13332.73, up 1.47% [1] Top Gainers in the Component Sector - Nanya Technology (Code: 6158889) closed at 65.65, up 9.84% with a trading volume of 78,800 shares and a transaction value of 502 million [1] - Jingwang Electronics (Code: 603228) closed at 72.87, up 8.86% with a trading volume of 476,000 shares and a transaction value of 3.396 billion [1] - Mingyang Circuit (Code: 300739) closed at 18.11, up 8.70% with a trading volume of 420,100 shares and a transaction value of 751 million [1] - Shengyi Technology (Code: 600183) closed at 65.57, up 8.51% with a trading volume of 510,200 shares and a transaction value of 3.269 billion [1] - Dongshan Precision (Code: 002384) closed at 81.82, up 8.20% with a trading volume of 606,100 shares and a transaction value of 4.878 billion [1] Market Capital Flow - The component sector saw a net inflow of 2.45 billion from major funds, while retail investors experienced a net outflow of 1.027 billion [2] - Major funds showed a significant interest in stocks like Huadian Technology (Code: 002463) and Shengyi Technology (Code: 600183), with net inflows of 464.1 million and 425 million respectively [3] - Retail investors showed a net outflow in several stocks, indicating a cautious sentiment among smaller investors [3]

Group 1 - The National Big Fund holding concept rose by 3.28%, ranking 6th among concept sectors, with 43 stocks increasing in value [1][2] - Notable gainers include Beidou Xingtong, which hit the daily limit, and other companies like Aisen Co., Tuojing Technology, and Jingce Electronics, with increases of 18.65%, 10.37%, and 9.22% respectively [1][2] - The biggest decliners in the sector were Saiwei Electronics, Baiwei Storage, and Sitwei, with declines of 4.64%, 1.54%, and 0.36% respectively [1] Group 2 - The National Big Fund holding concept saw a net inflow of 1.823 billion yuan, with 35 stocks receiving net inflows, and 9 stocks exceeding 100 million yuan in net inflows [2] - The top stock for net inflow was SMIC, with a net inflow of 837 million yuan, followed by ShenNan Circuit, Beidou Xingtong, and Changchuan Technology, with net inflows of 439 million yuan, 375 million yuan, and 211 million yuan respectively [2] Group 3 - In terms of net inflow ratios, Beidou Xingtong, ShenNan Circuit, and Zhongjuxin had the highest ratios at 34.52%, 12.82%, and 10.82% respectively [3] - The top stocks in the National Big Fund holding concept by net inflow include SMIC with a 6.00% increase and a turnover rate of 4.05%, and ShenNan Circuit with a 6.23% increase and a turnover rate of 2.31% [3][4]

| 代码 | 简称 | 今日涨跌幅 | 今日换手率 | 主力资金流量（万 | 主力资金净流入比率 | | --- | --- | --- | --- | --- | --- | | | | （%） | （%） | 元） | （%） | | 688981 | 中芯国 际 | 6.00 | 4.05 | 83671.32 | 8.70 | | 002916 | 深南电 路 | 6.23 | 2.31 | 43905.56 | 12.82 | | 600183 | 生益科 技 | 8.51 | 2.13 | 41768.56 | 12.78 | | 605358 | 立昂微 | 10.01 | 7.16 | 34498.40 | 20.01 | | 300475 | 香农芯 创 | 2.52 | 8.10 | 29917.37 | 5.99 | | 688008 | 澜起科 技 | 2.40 | 2.11 | 28413.18 | 9.81 | | 001309 | 德明利 | 4.81 | 8.25 | 24245.75 | 9.21 | | 30161 1 | 珂玛科 | 20.00 | 14.92 | 213 ...

夏邑县太平镇太平庄村安河农场，村民在直播出售土鸡蛋。苗育才 摄 郑州新郑国际机场密织的"空中丝路"，架起了中原融入世界的一座座"空中桥梁"。 资料图片 徐聪 摄 国道209控制性工程——三门峡青龙涧河特大桥正加紧建设。孙猛 摄 2025年进入"倒计时"。站在"十四五"收官、"十五五"开局这一重要时间节点，2025年河南经济"答卷"备受关 注。 2025年的河南经济发展有何亮点？面临哪些机遇与挑战？下一步发展的新动能蕴含在何处？回望2025年，我 们走得颇为不易，但却步步生花，可以说，河南经济交出了一份"韧性答卷"。 一 虽然全年经济数据暂未公布，但回望来时路，河南经济发展的成绩，写在每一次产业的增速中，写在每一个 拼搏的足迹中。 郑州市经开区中铁工程装备集团有限公司盾构总装车间，一台台即将出口的大型盾构机正在组装。资料图片 记者 聂冬晗 摄 信阳港·淮滨中心港区，起重机在装运集装箱。 王长江 摄 开封清明上河园的精彩表演引人注目。 资料图片 王铮 袁航 摄 2月底3月初，短短一周时间，比亚迪董事长兼总裁王传福、富士康科技集团董事长兼总经理刘扬伟等相继赴 郑，与河南的合作不断加深。今年前2个月，河南汽车产量22 ...

(本文来自第一财经) 个股方面，本周山子高科获净流入9.29亿元居首，周涨幅达5.73%。深南电路、C优迅主力净流入分别为 7.54亿元、7.48亿元。净流出方面，阳光电源、宁德时代、平潭发展分别遭抛售31.05亿元、18.50亿元、 17.88亿元。 按申万一级行业来看，本周（12月15日至12月19日）五个交易日内，商贸零售、纺织服饰、美容护理行 业获得主力资金青睐。电子、电力设备、计算机、机械设备、有色金属、通信、医药生物等板块遭净流 出额居前。其中电子板块遭抛售超260亿元。 ...

Group 1 - The National Big Fund holding concept declined by 0.56%, ranking among the top declines in concept sectors, with stocks like Jiangbolong, Nanda Optoelectronics, and Saiwei Electronics experiencing significant drops [1][2] - Among the 23 stocks that rose, Beidouxingtong, Sitwei, and Robot saw increases of 2.06%, 1.94%, and 1.49% respectively [1][2] - The National Big Fund holding concept experienced a net outflow of 1.604 billion yuan, with 29 stocks seeing net outflows, and 5 stocks exceeding 100 million yuan in outflows, led by Saiwei Electronics with a net outflow of 692.86 million yuan [2][3] Group 2 - The top net inflow stocks included ShenNan Circuit, SMIC, and Northern Huachuang, with net inflows of 147 million yuan, 125 million yuan, and 108 million yuan respectively [2][4] - The stocks with the highest net outflows included Saiwei Electronics (-3.49%), Jiangbolong (-5.64%), and Nanda Optoelectronics (-3.53%) [3][4] - The trading activity showed that the turnover rates for these stocks varied, with Saiwei Electronics at 17.14% and Jiangbolong at 6.72% [3]

资金面上看，今日存储芯片概念板块获主力资金净流出27.15亿元，其中，103股获主力资金净流出，10 股主力资金净流出超亿元，净流出资金居首的是香农芯创，今日主力资金净流出4.50亿元，净流出资金 居前的还有江波龙、南大光电、德明利等，主力资金分别净流出4.35亿元、3.37亿元、2.45亿元。今日 主力资金净流入居前的概念股有澜起科技、深南电路、中芯国际等，主力资金分别净流入2.21亿元、 1.47亿元、1.25亿元。（数据宝） 存储芯片概念资金流出榜 截至12月19日收盘，存储芯片概念下跌0.64%，位居概念板块跌幅榜前列，板块内，神工股份、德明 利、德福科技等跌幅居前，股价上涨的有69只，涨幅居前的有航天智装、杭氧股份、精智达等，分别上 涨6.23%、5.41%、5.27%。 今日涨跌幅居前的概念板块 | 概念 | 今日涨跌幅（%） | 概念 | 今日涨跌幅（%） | | --- | --- | --- | --- | | 海南自贸区 | 5.33 | 光刻机 | -0.73 | | 乳业 | 3.73 | 存储芯片 | -0.64 | | 免税店 | 3.35 | 国家大基金持股 | -0.56 | ...

Market Overview - The main board saw significant gains with stocks like Tongding Interconnection (+10.09%), Guangxun Technology (+10.01%), and Zhongci Electronics (+10.00%) leading the charge [1] - The ChiNext board also performed well, with Yidong Electronics (+20.01%), Gu'ao Technology (+20.00%), and Liant Technology (+20.00%) showing strong increases [1] - The Sci-Tech Innovation board was led by Kaipu Cloud (+20.00%), Juguang Technology (+17.34%), and Shengyi Electronics (+13.56%) [1] - Active sub-industries included SW Communication Network Equipment and Devices (+7.11%) and SW Communication Cables and Accessories (+6.90%) [1] Domestic News - Aibang ARAI announced the launch of the industry's first ultra-low power silicon-based LCD micro-display panel, model OP03021, featuring a resolution of 1632×1536 and a refresh rate of 90Hz [1] - The semiconductor sector observed a strategic acquisition by the Greater Bay Area Fund and Huada Jiutian of Sierxin, enhancing Huada Jiutian's capabilities in digital chip design and verification [1] - Texas Instruments and UBTECH Robotics entered a strategic partnership, with Texas Instruments procuring UBTECH's Walker S2 humanoid robots for deployment in production lines [1] - Xiaomi raised prices on several tablet models, with the entry-level Redmi Pad 2 seeing a price increase of approximately 20%, from 999 yuan to 1199 yuan [1] Company Announcements - Nanchip Technology plans to issue 1.933 billion yuan in convertible bonds to fund projects in smart power management chips, automotive chips, and industrial sensor and control chips [3] - Geke Micro announced a government subsidy of 60 million yuan received by its subsidiary Geke Microelectronics (Zhejiang) [3] - Mingyang Circuit projected a maximum of 5.09 million yuan in related transactions with Bai Rou New Materials for 2026, primarily for raw material procurement [3] - Pingzhi Information's subsidiary signed a 5-year contract with Inner Mongolia Unicom for computing power services, valued at 38.25 million yuan [3] Overseas News - TOPPAN plans to install an advanced semiconductor packaging R&D line at its Ishikawa factory, set to be operational by July 2026 [2] - SK Hynix's advanced semiconductor packaging factory in Indiana is set to break ground in Q1 2026, with an investment of approximately 3.87 billion USD [2] - SEM forecasts a 13.7% year-on-year increase in global semiconductor equipment sales in 2025, reaching a historical high of 133 billion USD [2] - Samsung Electronics aims to finalize the product development specifications for LPDDR6-PIM memory solutions by the end of this year, enhancing AI capabilities in edge computing devices [2]

Core Insights - On December 17, the Shanghai Composite Index rose by 1.19%, with institutional investors appearing on the trading lists of 31 stocks, net buying 18 and net selling 13 [1] - Institutional special seats net bought a total of 467 million yuan, marking the fifth consecutive day of net buying [1] Institutional Net Buying - The stock with the highest net buying from institutional seats was Juguang Technology, which closed up 17.34% with a turnover rate of 12.90% and a transaction volume of 2.025 billion yuan. The top five trading departments included three institutional special seats, net buying a total of 291.32 million yuan [2] - ShenNan Circuit hit the daily limit, closing up 10.00% with a turnover rate of 2.60% and a transaction volume of 3.663 billion yuan. Seven institutional special seats were among the top five trading departments, net buying a total of 173.44 million yuan [2] - Hualing Cable closed up 5.21% with a turnover rate of 58.77% and a transaction volume of 3.217 billion yuan. Two institutional special seats net bought a total of 124.66 million yuan [3] Institutional Net Selling - The stock with the highest net selling by institutions was Yingweike, which saw a net selling amount of 220.25 million yuan. It was listed due to a price deviation of 8.32% [4] - XueRen Group had a net selling of 140.22 million yuan, with a turnover rate of 46.49% [4] - Guangxun Technology also saw significant net selling, amounting to 124.14 million yuan, despite a price deviation of 8.32% [4] Market Performance - The average increase of stocks with net buying from institutions was 8.38%, outperforming the Shanghai Composite Index [3] - Stocks like Yidong Electronics and Kaipu Cloud showed strong performance, closing at the daily limit [3] - A backtest of stocks with net buying from institutions over the past month revealed a 45.83% probability of rising the next day and a 38.54% probability of rising over three days [3] Earnings Forecast - Among the stocks with net buying from institutions, two provided earnings forecasts for 2025, both indicating an increase. Nantetech is expected to have a net profit of 111 million yuan, representing a year-on-year increase of 13.02% [3] Stocks with Deep and Hong Kong Stock Connect - On December 17, 16 stocks on the trading list had appearances from the Deep and Hong Kong Stock Connect, with net buying amounts for ShenNan Circuit, Shengxin Lithium Energy, and Aerospace Machinery totaling 146 million yuan, 109 million yuan, and 85.18 million yuan respectively [7] - Stocks like XueRen Group and Biological Shares saw significant net selling through the Deep and Hong Kong Stock Connect, with amounts of 143 million yuan and 54.91 million yuan respectively [7]