证券代码：300604 证券简称：长川科技 公告编号：2025-069 公司将根据该事项的进展情况，按照有关规定和要求及时履行信息披露义务， 敬请广大投资者注意投资风险。 特此公告！ 杭州长川科技股份有限公司 董 事 会 2025年10月28日 杭州长川科技股份有限公司 关于向特定对象发行股票申请获得深圳证券交易所受理的公告 本公司及董事会全体成员保证公告内容真实、准确和完整，没有虚假记载、 误导性陈述或重大遗漏。 杭州长川科技股份有限公司（以下简称"公司"）于 2025 年 10 月 27 日收 到深圳证券交易所（以下简称"深交所"）出具的《关于受理杭州长川科技股份 有限公司向特定对象发行股票申请文件的通知》（深证上审〔2025〕206 号）。 深交所对公司报送的向特定对象发行股票的申请文件进行了核对，认为申请文件 齐备，决定予以受理。 公司本次向特定对象发行股票事项尚需通过深交所审核，并经中国证券监督 管理委员会（以下简称"中国证监会"）作出同意注册的决定后方可实施，最终 能否通过深交所审核并获得中国证监会同意注册的决定及所需时间尚存在不确 定性。 ...

Core Viewpoint - Changchuan Technology (300604) has submitted an application for a private placement of shares, which has been accepted by the Shenzhen Stock Exchange, aiming to raise approximately 3.132 billion yuan through the issuance of up to 189 million shares [1] Group 1 - The proposed issuance is intended for specific investors [1] - The underwriting institution for this issuance is Huatai United Securities Co., Ltd. [1]

Core Insights - The National Big Fund holding concept rose by 3.01%, ranking fourth among concept sectors, with 39 stocks increasing in value, including notable gains from Zhongdian Port, Jiangbolong, and Jingrui Electric Materials, which rose by 19.82%, 16.50%, and 10.31% respectively [1][2] Market Performance - The top-performing concept sectors today included: - Storage Chips: +3.49% - AI PC: +3.20% - National Big Fund Holdings: +3.01% - AI Mobile: +2.81% [2] - The National Big Fund holding sector saw a net inflow of 8.92 billion yuan, with 23 stocks receiving net inflows, and 12 stocks exceeding 1 billion yuan in net inflow [2] Stock Highlights - Zhongdian Port led the net inflow with 3.65 billion yuan, followed by Jingrui Electric Materials and Jiangbolong with net inflows of 3.11 billion yuan and 2.91 billion yuan respectively [2] - The top stocks by net inflow ratio included: - Zhongdian Port: 15.52% - Guangli Micro: 11.61% - Jingrui Electric Materials: 6.21% [3]

Group 1 - The semiconductor equipment ETF (561980) has seen a significant increase, rising by 3.26% with a trading volume of 252 million as of 13:50 [1] - Notable gains in constituent stocks include a more than 16% increase in the photoresist stock Jingrui Electric Materials, over 7% in Aisen Co. and Jinhaitong, and a 6.06% rise in Nanda Optoelectronics [1] - Equipment manufacturers such as Tuojing Technology rose over 8%, while Zhongke Feicai and Zhongwei Company increased by over 4%, and Beifang Huachuang rose by 3.42% [1] Group 2 - A significant breakthrough has been achieved in China's photoresist field, with a team from Peking University using cryo-electron tomography to analyze the micro three-dimensional structure of photoresist molecules in liquid phase, leading to a new industrialization scheme that significantly reduces photoresist defects [3] - Semiconductor materials are essential in the manufacturing of integrated circuits, discrete devices, sensors, and optoelectronic devices, forming the basis of semiconductor manufacturing processes [3] - According to TECHCET data, the semiconductor manufacturing materials market is expected to grow nearly 8% year-on-year by 2025, with an annual compound growth rate (CAGR) of 5.6% from 2023 to 2028, potentially exceeding 84 billion by 2028 [3] - The semiconductor equipment ETF (561980) tracks the CSI semiconductor index, with approximately 70% weight in "semiconductor equipment + materials," and has reported a net value growth rate of 61.46% over the past six months and 89.26% over the past year [3]

Core Viewpoint - The semiconductor sector is experiencing a significant boost due to breakthroughs in photoresist technology, leading to strong stock performance among related companies and ETFs [1][4]. Group 1: Stock Performance - Jingrui Electric Materials opened strongly and hit the upper limit, while Nanda Optoelectronics and Aisen Co. saw gains exceeding 12% [1]. - The semiconductor equipment ETF (561980) rose by 2.47%, with a peak increase of over 3%, and recorded a trading volume of 110 million yuan [1]. - Over the past ten trading days, the ETF has seen a cumulative net inflow of 294 million yuan, bringing its latest scale to 2.626 billion yuan, with a year-to-date index increase of 61.31% [1]. Group 2: Company Developments - The research team led by Professor Peng Hailin from Peking University has made advancements in understanding the micro-3D structure of photoresist molecules, which could significantly reduce lithography defects [4]. - Domestic GPU manufacturer Muxi Co. has received approval for its IPO on the Sci-Tech Innovation Board, indicating a positive trend for domestic computing power companies [4]. - Muxi is negotiating customer orders estimated at 2.004 billion yuan, with over 1.7 billion yuan in AI computing projects, while Muxi has an order backlog of 1.43 billion yuan [5]. Group 3: ETF Performance and Holdings - The semiconductor equipment ETF (561980) reported a net asset growth rate of 89.26% over the past year, with a 61.46% increase over the last six months [7]. - The ETF tracks the CSI Semiconductor Index, with top holdings including Zhongwei Company (15.01%), Beifang Huachuang (12.70%), and Cambrian (10.56%), collectively accounting for over 78% of the portfolio [9][10]. - The index is heavily weighted towards semiconductor equipment, materials, and digital chip design, which are expected to benefit from the push for self-sufficiency in the semiconductor industry [9]. Group 4: Financial Performance of Component Stocks - Companies like Haiguang Information and Cambrian reported significant year-on-year growth in both revenue and net profit for the first three quarters [11]. - Jingrui Electric Materials achieved a staggering 192-fold increase in net profit year-on-year, highlighting the strong performance of semiconductor-related firms [12]. - Other component stocks such as Jianghua Micro and Aisen Co. also reported positive revenue and net profit growth, indicating a robust sector performance [12]. Group 5: Market Outlook - Analysts from Huaxi Securities and Galaxy Securities express optimism about the continued growth of the technology sector, driven by advancements in AI and high-performance computing chip demand [6][13]. - The stability of key chip and material supplies is critical, making the establishment of a self-sufficient semiconductor supply chain a necessity rather than an option [13].

Core Insights - The National Big Fund holding concept rose by 4.88%, ranking second among concept sectors, with 48 stocks increasing in value, including Shenzhen Circuit which hit the daily limit, and Jiangbolong, Huahong Company, and Baiwei Storage showing significant gains of 16.73%, 15.02%, and 10.70% respectively [1][2] Market Performance - The top-performing concept sectors today included: - Storage Chips: +5.66% - National Big Fund Holdings: +4.88% - Tonghuashun Fruit Index: +4.60% - Co-packaged Optics (CPO): +4.25% - AI PC: +3.99% - AI Mobile: +3.88% [2] Capital Inflow - The National Big Fund holding concept saw a net inflow of 5.342 billion yuan, with 39 stocks receiving net inflows, and 15 stocks exceeding 100 million yuan in net inflow. The leading stock for net inflow was SMIC with 784 million yuan, followed by Tuojing Technology, Changchuan Technology, and Huahong Company with net inflows of 565 million yuan, 461 million yuan, and 432 million yuan respectively [2][3] Stock Performance - Key stocks within the National Big Fund holding concept included: - SMIC: +4.49%, turnover rate 5.12%, net inflow 784 million yuan, net inflow ratio 5.79% - Tuojing Technology: +10.55%, turnover rate 4.80%, net inflow 565 million yuan, net inflow ratio 15.17% - Changchuan Technology: +6.22%, turnover rate 13.34%, net inflow 461 million yuan, net inflow ratio 8.20% - Huahong Company: +15.02%, turnover rate 12.70%, net inflow 432 million yuan, net inflow ratio 6.83% [3][4]

Core Insights - The National Big Fund holding concept rose by 4.88%, ranking second among concept sectors, with 48 stocks increasing in value, including ShenNan Circuit, which hit the daily limit, and Jiangbo Long, Huahong Company, and Baiwei Storage, which rose by 16.73%, 15.02%, and 10.70% respectively [1][2] Market Performance - The National Big Fund holding sector saw a net inflow of 5.342 billion yuan, with 39 stocks experiencing net inflows, and 15 stocks exceeding 100 million yuan in net inflow. The top net inflow was from SMIC, with 784 million yuan, followed by Tuojing Technology, Changchuan Technology, and Huahong Company with 565 million yuan, 461 million yuan, and 432 million yuan respectively [2][3] Stock Performance - The stocks with the highest net inflow ratios included Tuojing Technology, ShenNan Circuit, and Jingjiawei, with net inflow ratios of 15.17%, 15.08%, and 13.68% respectively [3] - Key stocks in the National Big Fund holding concept included: - SMIC (688981): 4.49% increase, 5.12% turnover rate, 784.06 million yuan net inflow, 5.79% net inflow ratio - Tuojing Technology (688072): 10.55% increase, 4.80% turnover rate, 564.75 million yuan net inflow, 15.17% net inflow ratio - Changchuan Technology (300604): 6.22% increase, 13.34% turnover rate, 460.62 million yuan net inflow, 8.20% net inflow ratio - Huahong Company (688347): 15.02% increase, 12.70% turnover rate, 431.98 million yuan net inflow, 6.83% net inflow ratio - ShenNan Circuit (002916): 10.00% increase, 1.87% turnover rate, 386.79 million yuan net inflow, 15.08% net inflow ratio [3][4]

Group 1 - The semiconductor and AI computing sectors are experiencing significant gains, with notable increases in stock prices for companies such as North Huachuang and Zhongwei Company, which rose by 2.56% and 4.96% respectively, and others like Tuojing Technology, which surged by 5.10% [1] - The Cloud Computing ETF (159890) increased by 2.04%, while the Semiconductor Equipment ETF (561980) rose by 3.54%, indicating strong investor interest with a net inflow of over 340 million yuan in the last 10 trading days [1][2] - The policy environment continues to favor technological innovation, with support for unprofitable companies to enter the capital market, which is expected to accelerate the listing process for semiconductor giants by 2025 [3] Group 2 - The Semiconductor Equipment ETF (561980) tracks the CSI Semiconductor Index, which has approximately 70% exposure to semiconductor equipment and materials, focusing on key areas of technological advancement [3] - The CSI Semiconductor Index has shown a remarkable increase of 480.37% from January 1, 2019, to October 23, 2025, making it the top performer among mainstream semiconductor indices [4] - Major companies in the ETF's top holdings include Zhongwei Company, North Huachuang, and others, which are pivotal in the semiconductor equipment, materials, and integrated circuit design and manufacturing sectors [3]

Core Insights - A total of 123 companies have announced their performance forecasts for the first three quarters, with 96 companies expecting profit increases, representing 78.05% of the total [1] - The overall proportion of companies reporting positive forecasts is 85.37%, with 9 companies expecting profits and 11 and 3 companies forecasting profit declines and losses, respectively [1] - Among the companies expecting profit increases, 44 are projected to have net profit growth exceeding 100%, while 41 companies are expected to see growth between 50% and 100% [1] Company Performance - Xinda Co. is expected to have the highest net profit growth, with a median increase of 3009.81% for the first three quarters [2] - Chuangjiang New Material and Shuo Bei De are projected to have median net profit growth of 2150.09% and 1285.82%, ranking second and third, respectively [2] - The average increase in stock prices for companies expected to double their profits since July is 25.57%, outperforming the Shanghai Composite Index [2] Industry Insights - The sectors with the most companies expecting profit increases include electronics, basic chemicals, and non-ferrous metals, with 10, 7, and 5 companies, respectively [1] - The main board, ChiNext, and STAR Market have 28, 8, and 8 companies, respectively, that are expected to double their profits [1] Stock Performance - Among the stocks, Northern Rare Earth has seen the largest increase since July, with a cumulative rise of 99.80% [2] - In terms of capital flow, the stocks with significant net inflows in the past five days include Shengyi Electronics, Yahua Group, and Guangdong Mingzhu, with net inflows of 189.65 million, 105.79 million, and 66.45 million, respectively [2] - Conversely, Northern Rare Earth, Shenghe Resources, and Chuangjiang New Material experienced significant net outflows, with amounts of 2478.92 million, 881.76 million, and 771.45 million, respectively [2]

Core Insights - The "Second Golden Unicorn Best Investment Advisor Selection" event is currently ongoing, with over 3,000 professional investment advisors participating in simulated trading competitions aimed at enhancing the wealth management industry in China [1]. Group 1: Top Stocks by Purchase Frequency - The top ten stocks by purchase frequency on October 22 are led by Xinyi Technology (sz300502), followed by Shangwei New Materials (sh688585) and Jucan Optoelectronics (sz300708) [1]. Group 2: Top Stocks by Purchase Amount - The top ten stocks by purchase amount on October 22 are led by Changchuan Technology (sz300604), followed by Zhongji Xuchuang (sz300308) and Xinyi Technology (sz300502) [2]. Group 3: Event Structure and Data Explanation - The event includes an investment capability evaluation segment divided into three groups: stock simulation, on-site ETF simulation, and public fund simulation configuration, with specific trading rules regarding holding proportions, maximum drawdown, and rebalancing frequency [4]. - The data presented is based on simulated trading and does not reflect actual trading conditions, serving only as a reference [4].