Core Viewpoint - The major shareholders of Changxin Bochuang, ZHUWEI and his spouse WANGXIAOHONG, plan to reduce their holdings by up to 7.44 million shares, representing 2.55% of the company's total share capital, due to personal financial needs [1] Shareholder Reduction Plan - ZHUWEI and WANGXIAOHONG currently hold a total of 25.805458 million shares, which accounts for 8.85% of the company's total share capital [1] - The reduction will take place over a period from February 3, 2026, to May 2, 2026, through centralized bidding and block trading methods [1] - The selling price will be determined based on market conditions at the time of the sale [1] Impact on Company Control - ZHUWEI and WANGXIAOHONG are not classified as the company's controlling shareholders or actual controllers, and this reduction will not lead to any changes in the company's control or governance structure [1] - The ongoing operations of the company will remain unaffected by this share reduction [1]

Group 1 - The core point of the announcement is that major shareholders ZHU WEI and WANG XIAOHONG plan to reduce their holdings in the company by up to 7.44 million shares, which represents 2.55% of the total shares outstanding [1] - ZHU WEI and WANG XIAOHONG currently hold a combined total of 25.8055 million shares, accounting for 8.85% of the company's shares [1] - The planned reduction will take place within a specified period from February 3, 2026, to May 2, 2026, through centralized bidding and block trading methods [1]

证券代码：300548 证券简称：长芯博创 公告编号：2026-001 长芯博创科技股份有限公司 关于持股 5%以上股东减持股份预披露公告 公司持股5%以上股东ZHU WEI（朱伟）及其配偶WANG XIAOHONG（王 晓虹）向本公司保证提供的信息内容真实、准确和完整，并且没有虚假记载、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： 合计持有长芯博创科技股份有限公司（以下简称"公司"）25,805,458股（占 公司总股本的8.85%）的股东ZHU WEI及其配偶WANG XIAOHONG计划自本公 告披露之日起十五个交易日后的三个月内以集中竞价和大宗交易方式减持公司 股份不超过7,440,000股（占公司总股本的2.55%）。 长芯博创科技股份有限公司于近日收到公司股东 ZHU WEI 及其配偶 WANG XIAOHONG 出具的《关于股份减持计划的告知函》，现将有关情况公告 如下： | 股东名称 | 持股数量 | 占总股本比例 | | --- | --- | --- | | ZHU WEI | 23,395,158 | 8.02% | | WAN ...

Group 1 - The CPO concept stocks in the A-share market experienced a widespread decline, with significant drops in several companies [1] - Jingwang Electronics saw a decrease of 4%, while Ruijie Networks, Changxin Bochuang, Hengdongguang, Zhongji Xuchuang, and Xinyi Sheng all fell by over 3% [1] Group 2 - The market capitalization of Jingwang Electronics is 72.8 billion, with a year-to-date increase of 1.15% [2] - Ruijie Networks has a market capitalization of 65.3 billion, with a year-to-date decline of 7.49% [2] - Changxin Bochuang's market capitalization stands at 38.5 billion, with a year-to-date decrease of 7.11% [2] - Zhongji Xuchuang has a market capitalization of 640.1 billion, with a year-to-date decline of 5.57% [2] - Xinyi Sheng's market capitalization is 395.1 billion, with a year-to-date decrease of 7.76% [2]

Core Insights - The report highlights the strong performance of China's optical module industry, with an average production and sales rate of 96.98% and an average gross profit margin of 34.99% for 2024, indicating overall good profitability [1] - The demand for optical modules in the telecommunications market is primarily driven by lower-speed modules, with significant growth in 5G base station construction projected for 2024 [2][4] - The data communication market is identified as the largest and fastest-growing segment for optical modules, fueled by increased data center traffic and evolving network architectures [7] Group 1: Optical Module Industry Overview - Major listed companies in the optical module industry include Guangxun Technology, Zhongji Xuchuang, Xinyi Sheng, Changxin Bochuang, Taicheng Guang, and others [1] - The average production and sales rate for representative optical module companies in China is projected to be 96.98% in 2024, with a gross profit margin of 34.99% [1] - Cambridge Technology has reported a production and sales rate exceeding 100% [1] Group 2: Telecommunications Market Demand - The telecommunications market is the origin of optical modules, with 5G transmission networks comprising front-haul, mid-haul, and back-haul segments [2] - In 2024, China is expected to build 874,000 new 5G base stations, bringing the total to 4.251 million by the end of the year [2] - The demand for optical modules is primarily for lower-speed modules, particularly in the front-haul subsystem, which has the highest demand due to its long-distance, high-density characteristics [2] Group 3: Capital Expenditure Trends - The capital expenditure of China's three major telecom operators is gradually shifting towards cloud computing and computing power networks as a second growth curve [4] - In 2023, the total fixed asset investment by major telecom companies and China Tower reached 420.5 billion yuan, with 5G investment accounting for 190.5 billion yuan, a year-on-year increase of 5.7% [4] - The overall market for optical modules is expected to show steady growth, supported by the expansion of fiber-to-the-home and the increase in 10G PON port numbers [4] Group 4: Data Communication Market Growth - The data communication market is currently the largest and fastest-growing market for optical modules, driven by significant increases in data center traffic and changes in network architecture [7] - By mid-2025, the total number of operational computing center racks in China is expected to reach 10.85 million standard racks [7] Group 5: Fixed Network Access Market - The "14th Five-Year" information and communication industry development plan aims to fully deploy gigabit optical fiber networks and accelerate the construction of gigabit cities [9] - By the end of 2025, the number of 10G PON ports is projected to grow from over 5 million at the end of 2021 to 12 million, with gigabit broadband users expected to increase nearly tenfold to 60 million [9] - The Ministry of Industry and Information Technology has initiated pilot projects for 10G optical networks to address key challenges and promote the development of a complete industrial chain [9]

Group 1 - Longxin Bochuang's stock price dropped by 3.55% on January 6, with a trading volume of 3.73 billion yuan, and a net financing buy of -204 million yuan for the day [1] - As of January 6, the total margin balance for Longxin Bochuang was 2.474 billion yuan, with a financing balance of 2.468 billion yuan, accounting for 6.83% of the circulating market value [1] - The company specializes in the research, production, and sales of integrated optoelectronic devices in the optical communication field, with main business revenue composition being 81.36% from data communication, 18.46% from telecommunications, and 0.18% from other sources [1] Group 2 - As of September 30, the number of shareholders for Longxin Bochuang increased to 79,900, a rise of 88.29%, while the average circulating shares per person decreased by 46.89% to 3,362 shares [2] - For the period from January to September 2025, Longxin Bochuang achieved a revenue of 1.794 billion yuan, representing a year-on-year growth of 45.41%, and a net profit attributable to shareholders of 250 million yuan, a significant increase of 566.59% [2] - The company has distributed a total of 219 million yuan in dividends since its A-share listing, with 104 million yuan distributed in the last three years [2]

Core Viewpoint - The F5G concept sector experienced a decline of 0.21%, ranking among the top losers in the market, with notable declines in stocks such as StarNet Ruijie, Cambridge Technology, and Changxin Bochuang [1][2] Market Performance - The F5G concept sector saw a net outflow of 5.795 billion yuan, with 22 stocks experiencing net outflows, and 10 stocks seeing outflows exceeding 100 million yuan [2] - The stock with the highest net outflow was Zhongji Xuchuang, with a net outflow of 2.578 billion yuan, followed by Changxin Bochuang, Cambridge Technology, and Fenghuo Communication [2] Top Gainers and Losers - Among the F5G concept stocks, the top gainers included Zhenyou Technology, Tongyu Communication, and CITIC Heavy Industries, with increases of 6.17%, 3.38%, and 2.13% respectively [1][2] - The top losers in the F5G sector included Zhongji Xuchuang (-2.93%), Changxin Bochuang (-3.55%), and Cambridge Technology (-4.36%) [2][3] Capital Flow Analysis - The main capital inflows in the F5G concept stocks were observed in Zhenyou Technology, Zhao Chi Shares, and Dekeli, with inflows of 134 million yuan, 114 million yuan, and 6.307 million yuan respectively [2][3] - The overall trend indicates a significant capital outflow from the F5G sector, highlighting potential concerns among investors [2]

Core Insights - The strategic value of optical modules has reached unprecedented heights as they serve as the "highway" for data flow in the context of exponential growth in computing power demand driven by AI [8] - The Chinese optical module industry has transitioned from being a participant in the global market to a key player in technological evolution and market restructuring [8] Industry Overview - The current explosion in the optical module market is driven by the needs of hyperscale data centers, moving beyond traditional telecom network construction [3][8] - AI model training and inference have significantly increased the demand for data transmission bandwidth within and between data centers, necessitating thousands of high-speed optical modules for single AI server clusters [3][8] Market Trends - The shipment volume of 800G optical modules is expected to double in 2025, with a transition from 800G to 1.6T modules underway [9] - The technology is evolving along three main lines: increasing speed, reducing power consumption, and enhancing integration, leading to a diversified and layered competitive landscape [9] Competitive Landscape - Chinese optical module companies are shifting from midstream manufacturing advantages to upstream core component autonomy and global supply chain development [4][9] - The industry is focusing on cutting-edge areas such as CPO, LPO, and silicon photonics, aiming to build a fully autonomous ecosystem from materials to systems [10] Future Outlook - 2025 is identified as a pivotal year for the Chinese optical module industry, marking a transition from quantity explosion to quality leadership [10] - As computing power becomes essential in the new era, Chinese optical module companies are leveraging their technological expertise and market responsiveness to establish a robust data transmission infrastructure for the intelligent world [10]

Group 1: Industry Overview - The deployment and expansion of 5G networks are significantly driving the demand for high-speed optical modules, which are essential for data transmission in 5G networks [1] - Different scenarios such as front-haul and mid-haul require differentiated transmission performance, pushing optical modules towards higher speeds to support emerging services like HD video and industrial IoT [1] - The global 5G base station deployment is projected to reach 6.376 million by 2024, a year-on-year increase of 23.3%, with a forecast of 8.5 million by 2025 [1] Group 2: Company Developments - Zhongji Xuchuang is the only global manufacturer to achieve mass production of 400G/800G silicon optical modules, with a high yield of 95% for its self-developed 1.6T silicon optical module [4] - NewEase focuses on integrating silicon photonics and LPO technology, with significant orders from Meta and Amazon for its 800G LPO silicon optical modules [4] - Coherent maintains a strong market share in 800G optical modules and is collaborating with Lumentum to develop next-generation solutions [4] Group 3: Competitive Landscape - The Chinese optical module industry is in a high-growth phase, with competitors categorized into three tiers based on revenue, with Zhongji Xuchuang leading the first tier with over 20 billion in revenue [5] - The competitive landscape is characterized by diverse technological routes and differentiated core advantages among leading companies, with a focus on self-research and global expansion [7] - Companies like Cambridge Technology and Guangxun Technology leverage vertical integration to enhance their product offerings and market responsiveness [7] Group 4: Technological Advancements - Companies are advancing in the 800G/1.6T high-end product space, with Zhongji Xuchuang showcasing its 3nm 1.6T OSFP series products at OFC2025 [8] - NewEase has entered mass production with its automated production lines in Thailand, focusing on high-end products and optimizing supply chain responsiveness [8] - Huagong Technology is enhancing its production capabilities and expanding its delivery network to meet the growing demand for 800G and 1.6T products [8]

Core Viewpoint - The company Changxin Bochuang (300548.SZ) has stated that it is currently not involved in the field of satellite laser communication [1] Group 1 - The company has clarified its position regarding its involvement in satellite laser communication [1]