Group 1 - The electronic industry is a technological pillar of modern society, with downstream applications in defense, communication, automotive, and healthcare, where semiconductors are a key segment for China's technological self-sufficiency [1] - The electronic industry is experiencing an upward cycle, driven by the rise of AI and robotics applications, with the release of DeepSeek R1 causing significant industry disruption [1] - The upcoming release of the R2 version of DeepSeek is expected to enhance the performance of domestic AI models, leading to a surge in demand for domestic AI applications and computing chips [1] Group 2 - China is a major supplier of optical modules globally, with leading manufacturers and stable production capacity, benefiting from the AI trend and achieving reasonable performance [2] - The electronic industry is projected to maintain a positive growth trend, with advancements in large models leading to diverse AI applications and the acceleration of domestic chip upgrades [2] - Humanoid robots are identified as a core scenario for the commercialization of AI, with domestic chip manufacturers like Rockchip (瑞芯微) supporting the intelligent upgrade of domestic robots [2]

Core Viewpoint - The China Securities Automotive Semiconductor Industry Index has shown a mixed performance, with a slight increase year-to-date but declines over the past month and three months, indicating volatility in the automotive semiconductor sector [1][2]. Group 1: Index Performance - The Shanghai Composite Index rose by 0.21%, while the China Securities Automotive Semiconductor Industry Index reported a value of 2879.52 points [1]. - Over the past month, the index has decreased by 1.53%, and over the last three months, it has declined by 9.90%. However, it has increased by 3.42% year-to-date [1]. Group 2: Index Composition - The index comprises no more than 50 listed companies that provide semiconductor materials, equipment, and products in the fields of automotive electrification and intelligence [1]. - The index is based on a reference date of December 30, 2016, with a base value of 1000.0 points [1]. Group 3: Top Holdings - The top ten weighted companies in the index are: - Zhaoyi Innovation (6.95%) - Weir Shares (6.51%) - Northern Huachuang (5.26%) - Sanan Optoelectronics (4.52%) - Unisoc (4.45%) - Changdian Technology (4.2%) - Zhongwei Company (4.04%) - Rockchip (3.2%) - Chipone (3.18%) - Wingtech Technology (3.06%) [1]. Group 4: Market Distribution - The index's holdings are primarily listed on the Shanghai Stock Exchange, accounting for 75.59%, while the Shenzhen Stock Exchange represents 24.41% [1]. Group 5: Industry Breakdown - The industry composition of the index includes: - Integrated Circuits: 60.20% - Semiconductor Materials and Equipment: 23.37% - Discrete Devices: 7.65% - Optical and Optoelectronic: 4.52% - Electronic Terminals and Components: 3.06% - Transportation Equipment: 1.20% [2]. Group 6: Sample Adjustment - The index samples are adjusted semi-annually, with adjustments occurring on the next trading day after the second Friday of June and December each year [2]. - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [2].

Group 1 - Huiyu Pharmaceutical's subsidiary received drug registration certificate for Carboxymethyl Sodium Injection, which is used for treating bleeding diseases in various medical fields [1] - Baihe Co., Ltd. announced a plan for a director to reduce holdings by up to 424,000 shares, representing 0.6625% of the total share capital [1] - Kingood Co., Ltd. received a notification from a global leading automaker for a wheel project, expected to start mass production in 2026 with a lifecycle of 10 years [1][2] Group 2 - Wanhua Chemical plans to repurchase shares worth between 300 million and 500 million yuan, with a maximum repurchase price of 99.36 yuan per share [2] - Warner Pharmaceutical's subsidiary received approval for Acetylcysteine raw material drug, primarily used for treating respiratory diseases [3] - ST Mingcheng plans to publicly transfer 45% equity of its subsidiary, aiming to optimize asset structure [4] Group 3 - Qixia Construction announced a plan to reduce up to 31.5 million shares, accounting for 3% of total share capital [5][6] - Zhejiang Rongtai intends to invest 20 million yuan to establish a wholly-owned subsidiary focused on intelligent robotics [7] - Yuandong Biological received drug registration for Chloral Hydrate Enema, used for sedation and seizure control in children [9] Group 4 - Jiemai Technology's subsidiary signed a strategic cooperation agreement with a solid-state battery company to produce high-safety composite conductive materials [10] - Xianju Pharmaceutical received drug registration for Progesterone Soft Capsules, used for treating functional disorders due to luteal deficiency [11] - Lanhua Kecai's subsidiary reported a temporary production halt, with the resumption date yet to be determined [13] Group 5 - Sinopharm Modern's subsidiary received drug registration for Tocilizumab Tablets, used for treating rheumatoid arthritis and other conditions [15] - Shanghai Bank announced the resignation of its vice president due to organizational adjustments [17] - Shanghai Pharmaceutical's Ephedrine Injection passed the consistency evaluation for generic drugs [19] Group 6 - Rundu Co., Ltd. received drug registration for Amlodipine and Olmesartan Tablets, aimed at treating hypertension [21] - Zhong'an Technology announced that 61 million shares held by its controlling shareholder will be auctioned [23] - Shanghai Washba plans to purchase patent assets and establish two subsidiaries focused on hydrogen energy and solid-state battery technologies [25] Group 7 - Nuo Cheng Jianhua's new drug Tafasitamab received approval for treating relapsed/refractory diffuse large B-cell lymphoma [26] - Benli Technology plans to use up to 200 million yuan of idle funds for cash management and financial investments [28] - Taiji Co., Ltd. intends to use 60 million yuan of idle funds to purchase financial products [29] Group 8 - Haishi Co. announced that its innovative drug Anreke Fen Injection received drug registration for treating postoperative pain [32] - Yulong Co. will have its stock delisted on May 27, 2025, following a decision by the Shanghai Stock Exchange [36] - Weifu High-Tech plans to establish a joint venture with Shanghai Baolong Automotive Technology [38] Group 9 - Xichang Electric Power expects a net profit reduction of approximately 5.4 million yuan due to adjustments in the time-of-use electricity pricing mechanism [39] - Alter signed a contract worth 6.8 billion yen for the development and procurement of large truck EV kits [41] - Zhonglian Heavy Industry plans to acquire controlling stakes in its financing leasing subsidiary through public bidding [42] Group 10 - Sanyou Medical's executive plans to reduce holdings by up to 1.44% of the company's shares [43] - Hangyang Co. plans to establish a subsidiary for large modular cryogenic equipment manufacturing with an estimated investment of 557 million yuan [44] - FAW Fuwi received a notification for a dashboard project from a well-known new energy brand, with total sales expected to reach 1.06 billion yuan [45]

Group 1 - Chip stocks continue to adjust, with declines led by edge and storage sectors [1] - Companies such as Rockchip, GigaDevice, and Aojie Technology saw declines exceeding 6% [1] - Other companies like Broadcom Integration, Langke Technology, Liyang Chip, and Allwinner Technology also experienced significant drops [1]

Group 1 - The People's Bank of China emphasizes the implementation of a moderately loose monetary policy to meet the financing needs of the real economy and support key areas such as technological innovation and consumption [2] - The Ministry of Finance reports that from January to April, the national general public budget revenue reached 80,616 billion yuan, a year-on-year decrease of 0.4%, with the decline narrowing by 0.7 percentage points compared to the first quarter [3] - In April, tax revenue increased by 1.9% year-on-year, marking the first month of positive growth this year, while the total tax revenue from January to April was 65,556 billion yuan, down 2.1% year-on-year [4] Group 2 - The Ministry of Finance announces that the securities transaction stamp duty for January to April was 53.5 billion yuan, a year-on-year increase of 57.8% [5] - The National Energy Administration reports that the total electricity consumption in April was 7,721 billion kilowatt-hours, a year-on-year increase of 4.7% [6] - The National Development and Reform Commission states that most policies aimed at stabilizing employment and the economy are expected to be implemented by the end of June [8] Group 3 - The National Development and Reform Commission highlights the need to address "involution" competition that distorts market mechanisms and disrupts fair competition [9] - The China Automobile Industry Association reports that the top ten car manufacturers sold 2.502 million vehicles from January to April, accounting for 68.7% of total car sales [10] - A joint document from the Central Cyberspace Affairs Commission, the National Development and Reform Commission, and the Ministry of Industry and Information Technology outlines goals for IPv6 deployment by 2025, including reaching 850 million active users [11] Group 4 - Various companies are making significant moves, such as Zhaoyi Innovation planning to issue H-shares and list on the Hong Kong Stock Exchange, and several companies announcing share repurchase plans [13] - The Ministry of Finance reports that the total assets and loan growth rates of state-owned banks have slightly declined compared to 2024, but remain relatively high [14] - Zhongtai Securities discusses the logic behind the recent rise in bank stocks, indicating a strong rationale for continued investment in this sector [15]

Group 1: Financial Support and Economic Policies - The People's Bank of China emphasizes the implementation of a moderately loose monetary policy to meet the financing needs of the real economy and maintain reasonable growth in financial totals [2] - The meeting highlighted the need to support key areas such as technological innovation, consumption, small and micro enterprises, and stabilizing foreign trade [2] - The National Development and Reform Commission plans to implement most employment and economic stabilization policies by the end of June [8] Group 2: Fiscal Revenue and Taxation - From January to April, the national general public budget revenue reached 80,616 billion yuan, a year-on-year decrease of 0.4%, with the decline narrowing by 0.7 percentage points compared to the first quarter [3] - In April, tax revenue increased by 1.9% year-on-year, marking the first month of positive growth this year [4] - The securities transaction stamp duty for January to April was 53.5 billion yuan, a year-on-year increase of 57.8% [5] Group 3: Energy Consumption - In April, the total electricity consumption reached 7,721 billion kilowatt-hours, a year-on-year increase of 4.7% [6] - From January to April, total electricity consumption was 31,566 billion kilowatt-hours, with a year-on-year growth of 3.1% [6] Group 4: Automotive Industry - In the first four months, the top ten car manufacturers sold 2.502 million vehicles, accounting for 68.7% of total car sales [11] - Among these manufacturers, BYD, Geely, SAIC-GM-Wuling, and FAW saw varying degrees of sales growth compared to the same period last year [11] Group 5: IPv6 Deployment - The Central Cyberspace Affairs Commission, National Development and Reform Commission, and Ministry of Industry and Information Technology aim to establish a leading global IPv6 technology and application system by the end of 2025 [12] - The target includes reaching 850 million active IPv6 users and 1.1 billion IoT IPv6 connections [12]

Group 1 - The State Council Information Office will hold a press conference on May 22 to discuss technology finance policies, featuring officials from the Ministry of Science and Technology, the People's Bank of China, and financial regulatory authorities [1] - The central bank's governor emphasized the need for financial support for key areas such as technological innovation, consumption, small and micro enterprises, and stabilizing foreign trade [2] - A new directive aims for 850 million active IPv6 users and 1.1 billion IoT IPv6 connections by the end of 2025, with fixed network IPv6 traffic accounting for 27% and mobile network IPv6 traffic for 70% [3] Group 2 - Several banks have recently lowered interest rates on fixed-term deposits and large-denomination certificates of deposit, with large-denomination products expected to enter the "1 era" [4] - Zongyi Co., Ltd. is in the preliminary planning stage for a major asset restructuring [5] - Shareholder Runke Xin of Ruixin Micro plans to reduce its stake by no more than 2% [5] - Baili Electric's revenue from nuclear fusion-related business is minimal, projected to account for less than 1% of total revenue in 2024 [5] - Baobian Electric's stock has seen significant short-term gains, leading to high price-to-earnings and price-to-book ratios [5] - Suzhou Longjie has reported price increases for some new and hot-selling products [5]

Group 1 - Zhaoyi Innovation plans to issue H-shares and list on the Hong Kong Stock Exchange, considering the interests of existing shareholders and market conditions [3] - ST Zhongdi has decided to abandon the commercial opportunity for the Jiageng Ke Yi City land project, with the controlling shareholder planning to develop the project instead [4] - Xichang Electric Power expects a reduction of approximately 5.4 million yuan in net profit for 2025 due to adjustments in the time-of-use electricity pricing mechanism [5] Group 2 - Sanfu New Materials intends to invest 620 million yuan in a project for high-safety dry electrode battery key materials and high-frequency electronic information composite materials [6] - Weifu High-Tech's subsidiary plans to establish a joint venture with Baolong Technology to expand the active suspension motor hydraulic pump business [7] - Yulong Co., Ltd. will have its stock delisted on May 27, 2025, following a decision by the Shanghai Stock Exchange [8] Group 3 - Chen'an Technology's shareholder is transferring 6.27% of the company's shares to Hefei Guotou, aiming to introduce strategic investors [9] - Huamao Technology is planning to acquire a 100% stake in Fuchuang Youyue, with stock trading suspended for up to 10 trading days [11] - Baolong Technology's subsidiary will collaborate with Weifu High-Tech's subsidiary to develop core components for the active suspension system [12] Group 4 - Zhongnong Lihua intends to acquire at least 50% of Taizhou Agricultural Supplies, enhancing its product and service range [13] - Weiling Co., Ltd.'s subsidiary has successfully acquired 74.3% of Jiayu Mining for 220 million yuan, focusing on expanding into the non-ferrous metal resource sector [14][15] - Hengshi Technology's subsidiary has been approved for public transfer of shares on the New Third Board [16] Group 5 - Xiang Teng New Materials plans to acquire an additional 12.5% stake in its subsidiary Shanghai Shangda for 25.3 million yuan [17] - ST Texin has extended its employee stock ownership plan by 12 months, reflecting confidence in the company's long-term development [18] - Baili Electric has issued a risk warning regarding its stock price increase, indicating no significant changes in fundamentals [19] Group 6 - Hu Silicon Industry plans to acquire minority stakes in three semiconductor companies for approximately 7.04 billion yuan [20][21] - Demais plans to change its controlling shareholder, leading to a temporary suspension of stock trading [22] - FAW Fuwei has received a notice from a well-known new energy brand for a project expected to generate 1.06 billion yuan in total sales over its lifecycle [23] Group 7 - Hangyang Co. plans to establish a subsidiary for a large modular cryogenic equipment manufacturing project with an estimated investment of 557 million yuan [24] - Jiewate intends to acquire 40.89% of Tianyi Hexin for 319 million yuan, enhancing its product line in the signal chain category [25] - Dingxin Communications has elected a new chairman following the resignation of the previous chairman [26][27] Group 8 - Aofei Entertainment plans to invest 10 million yuan in a partnership to indirectly invest in AI robotics company Xuan Yuan Technology [28] - Huaxi Energy's controlling shareholder has been detained, but the company states that operations remain normal [29] - Yihe Jiaye will change its stock name to "Ruimaite" starting May 21 [30] Group 9 - Zhongjin Environment will change its name to "Southern Pump Industry" effective May 21 [31] - Hong Sifang's subsidiary plans to invest approximately 1.49 billion yuan in a new chemical materials and fertilizers industrial park [32] - Buchang Pharmaceutical's subsidiary has signed a research agreement for MF59 adjuvant with a pharmaceutical company [33] Group 10 - Hongjing Technology has signed a service contract worth 597 million yuan for a smart computing project [34] - Zhuojin Co. has won a bid for a soil remediation project worth 67.68 million yuan [35] - Xinjiang Jiaojian has been awarded a contract for a highway project valued at 451 million yuan [36] Group 11 - China National Materials Energy's subsidiary has signed a contract for an EPC project in Uzbekistan worth approximately 1.252 billion yuan [37] - Ruixin Microelectronics' shareholder plans to reduce its stake by up to 2% [38] - Shanghai Yizhong's shareholder also plans to reduce its stake by up to 2% [39] Group 12 - Sanyou Medical's controlling shareholder plans to reduce its stake by up to 1.44% [40] - Hangdian Co.'s controlling shareholder plans to reduce its stake by up to 1.93% [41] - Shangwei New Materials' shareholder plans to reduce its stake by up to 3% [42] Group 13 - Mingchen Health plans to repurchase shares worth between 30 million and 50 million yuan [43] - Jiuhua Tourism plans to raise up to 500 million yuan through a private placement for various projects [44] - Yuegui Co. plans to raise up to 900 million yuan for several projects [46]

Core Viewpoint - The major shareholder, Xiamen Runke Xin Investment Management Partnership (Limited Partnership), plans to reduce its stake in Ruixin Microelectronics Co., Ltd. by up to 8,378,000 shares, representing a maximum of 2% of the company's total shares, due to personal funding needs [1][2][3] Group 1: Major Shareholder Information - Xiamen Runke Xin holds 28,268,940 shares, accounting for 6.75% of the total share capital of Ruixin Microelectronics [1][2] - The shares held by Runke Xin were acquired prior to the company's initial public offering (IPO) [1][2] Group 2: Reduction Plan Details - The planned reduction period is from June 13, 2025, to September 12, 2025 [2] - The reduction will be executed through centralized bidding and/or block trading, with a maximum of 4,189,000 shares to be sold via centralized bidding and up to 8,378,000 shares through block trading [2][3] - The reduction plan is consistent with previous commitments made by the shareholder regarding share transfer limitations [3]

证券代码：603893 证券简称：瑞芯微 公告编号：2025-044 瑞芯微电子股份有限公司 股东减持股份计划公告 本公司董事会、全体董事及相关股东保证本公告内容不存在任何虚假记载、 误导性陈述或者重大遗漏，并对其内容的真实性、准确性和完整性承担法律责任。 重要内容提示： 大股东持股的基本情况 截至本公告披露日，厦门市润科欣投资管理合伙企业（有限合伙）（以下简 称"润科欣"）持有瑞芯微电子股份有限公司（以下简称"公司"或"瑞芯微"） 股份 28,268,940 股，占公司总股本的 6.75%，上述股份全部来源于公司首次公开 发行股票前已持有的股份。 1 上述减持主体无一致行动人。 二、减持计划的主要内容 | 股东名称 | 厦门市润科欣投资管理合伙企业（有限合伙） | | | | --- | --- | --- | --- | | 计划减持数量 | 股 不超过：8,378,000 | | | | 计划减持比例 | 不超过：2% | | | | 减持方式及对应减持数量 | 集中竞价减持，不超过：4,189,000 股 股 大宗交易减持，不超过：8,378,000 | | | | 减持期间 | 年 月 年 月 日 ...