证券研究报告 汽车零部件&机器人主线周报： 宇树IPO获受理，2025年收入&利润同比实现倍数增长 证券分析师：黄细里 执业证书编号：S0600520010001 证券分析师：郭雨蒙 执业证书编号：S0600525030002 2026年3月22日 请务必阅读正文之后的免责声明部分 核心结论 注： "本周"代表2026.3.16-2026.3.20；"最新交易日"均代表2026.3.20，年初至今基准日为上一个自然年的最后一个交易日 2 ◼ 零部件本周复盘总结：本周SW汽零指数-6.20%（2026年初至今-7.28%），在SW汽车中排名第5；以2010年- 2026.3.20数据为基准，最新交易日SW汽零PE(TTM)处于历史的70.62%分位；PB(LF)处于历史的64.82%分位。 ◼ 机器人本周复盘总结：本周万得机器人指数-5.82%（2026年初至今-9.93%），较SW汽零超额收益为+0.39%； 最新交易日万得机器人PE(TTM)处于2025年以来的22.34%分位，PB(LF)处于2025年以来的30.14%分位。当前 人形机器人交易热度已跌至2025年以来的冰点。 （ ◼ 核心覆盖标的周度变 ...

镁行业深度（Ⅲ）：镁合金行业需求弹性 或进入加速释放新周期 2026 年 3 月 17 日 看好/维持 有色金属 行业报告 | 分析师 | 张天丰 电话：021-25102914 邮箱：zhang_tf@dxzq.net.cn | 执业证书编号：S1480520100001 | | --- | --- | --- | | 研究助理 | 闵泓朴 电话：021-65462553 邮箱：minhp-yjs@dxzq.net.cn | 执业证书编号：S1480124060003 | 投资摘要： 2025 年中国原镁产能及产量分别占全球 82%及 89%，中国镁行业进入供给结构性升级新阶段。中国拥有完整的镁行业配套产业链，根据国 务院发展研究中心统计，中国拥有全球 90%金属镁产能、75%氧化镁产能及 65%下游耐火材料产量。从原镁产能状态观察，中国原镁行业 显现产能优化迹象。环保政策持续收紧（碳排放双控）、生产成本增加（双废治理）、落后产能淘汰（产业整合及电炉升级）清退小规模及环 保不达标的落后产能，令 2025 年中国原镁产能-1.3%至 146.82 万吨但原镁产能利用率+5.5%至 74.5%。另一方面，根据中 ...

| 证券代码：301398 | 证券简称：星源卓镁 | 公告编号：2026-002 | | --- | --- | --- | | 转债代码：123260 | 转债简称：卓镁转债 | | 宁波星源卓镁技术股份有限公司 关于更换签字注册会计师的公告 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。 宁波星源卓镁技术股份有限公司（以下简称"公司"）于 2025 年 4 月 1 日 召开第三届董事会第十一次会议，审议通过了《关于拟续聘 2025 年度审计机构 的议案》，同意续聘容诚会计师事务所（特殊普通合伙）（以下简称"容诚所"） 为公司 2025 年度审计机构，聘期一年。具体内容详见披露于巨潮资讯网的《关 于拟续聘 2025 年度审计机构的公告》（公告编号：2025-009），上述事项已经 公司 2025 年 4 月 29 日召开的 2024 年年度股东会审议通过。 近日，公司收到容诚所送达的《关于变更公司签字注册会计师的说明函》， 现将具体情况公告如下： 一、 本次变更签字注册会计师的基本情况 容诚所作为公司2025年度财务报表审计及2025年末财务报告内部控制审 ...

Group 1 - Nvidia's CEO Jensen Huang stated that the company's recent $30 billion investment in OpenAI may be its last before the company goes public, with an IPO expected by the end of the year [2] - Huang also mentioned that the $10 billion investment in Anthropic might be the final one, and the previously announced $100 billion investment opportunity may not be on track [2] Group 2 - Moderna agreed to pay up to $2.25 billion to resolve patent disputes related to its COVID-19 vaccine, concluding ongoing legal controversies [3] - Samsung Electronics raised its first-quarter DRAM contract price increase from 70% to 100%, and plans to negotiate with Tesla to boost AI6 chip production, with an additional monthly demand of 24,000 wafers [3] - Alibaba's Qwen model technology head Lin Junyang announced his resignation, raising questions about his future with the company, while CEO Wu Yongming emphasized Qwen as a top priority during a communication meeting [3] Group 3 - Huawei's ICT BG CEO Yang Chaobin announced the official start of 6G standardization work, with the first 3GPP standard version not expected to be frozen before March 2029 [5] - Xiaomi plans to launch a new smartphone processor chip annually, with founder Lei Jun submitting proposals related to "AI+" and new productive forces at the National People's Congress [5] - ByteDance announced the pricing for its Seedance 2.0 video generation service at $1 per second, furthering the commercialization of generative AI applications [5] Group 4 - Apple released a budget MacBook Neo featuring the A18 Pro chip, starting at $599, while iOS 18.7.6 was officially released [8] - Meta plans to develop its own AI training chips and establish a new AI engineering department to accelerate superintelligence research [8] - Microsoft assisted in dismantling a global hacker service platform and is expected to launch Windows 12 this year, integrating AI deeply [8] Group 5 - Tesla's procurement executives plan to visit Samsung Electronics to discuss significantly increasing AI6 chip production capacity, with additional demand reaching 24,000 wafers per month [9] - Morgan Stanley announced a layoff of about 3%, affecting 2,500 employees across various departments [10] - Ross Stores reported strong fourth-quarter results, with same-store sales growth of 9% exceeding expectations, and a record sales figure of $6.64 billion [10] Group 6 - Honda announced plans to import pure electric vehicles produced in China to Japan, marking the first instance of a Japanese automaker selling Chinese-made EVs domestically [12] - SK Hynix is advancing new HBM packaging technology to meet Nvidia's demands, competing with Samsung for high-end memory market share [12] - LG Electronics is set to maintain its position as the global leader in OLED TV market share for the 13th consecutive year in 2025 [12]

Investment Rating - The industry investment rating is "Overweight," indicating an expected outperformance of the industry index relative to the benchmark by more than 5% over the next six months [59]. Core Insights - The automotive parts sector has shown a weekly increase of 1.73%, ranking first among the SW automotive indices, with a year-to-date increase of 6.76% [3][18]. - The robotics sector experienced a slight increase of 0.08% this week, with a year-to-date increase of 2.63%, but underperformed compared to the automotive parts sector [3][30]. - Key developments include a strategic partnership between Zhiyuan Robotics and Minshi Group to accelerate the localization and deployment of robotics technology in Europe [3][41]. Summary by Sections Automotive Parts Sector Weekly Review - The automotive parts sector ranked first in the SW automotive index this week, with a year-to-date performance of +6.76% [3][18]. - The sector's PE (TTM) is at 88.37% historical percentile, and PB (LF) is at 81.92% historical percentile as of February 27, 2026 [3][28]. Robotics Sector Weekly Review - The robotics index increased by 0.08% this week, with a year-to-date performance of +2.63% [3][30]. - The latest PE (TTM) for the robotics sector is at 49.89% historical percentile, and PB (LF) is at 57.01% historical percentile as of February 27, 2026 [40]. Key Stock Tracking - Notable weekly gainers include Xingyuan Zhuomei (+10.64%), Bertley (+7.15%), and Feilong Co. (+7.11%) [3][48]. - Core stocks in the automotive parts sector include Fuyao Glass, Xingyu Co., Minshi Group, and Junsheng Electronics, with specific recommendations based on EPS and PE dimensions [54]. Investment Recommendations - For the automotive parts sector, focus on structural opportunities by selecting product-oriented companies and those entering high-value segments to enhance ASP [54]. - In the robotics sector, look for certainty in opportunities, particularly with the anticipated release of Optimus V3 and the application of domestic manufacturers like Xiaopeng and Yushu [54].

Investment Rating - The industry investment rating is "Overweight," indicating an expected outperformance of the industry index relative to the benchmark by more than 5% over the next six months [59]. Core Insights - The automotive parts sector has shown a weekly increase of 1.73%, ranking first among the SW automotive indices, with a year-to-date increase of 6.76% [3][18]. - The robotics sector experienced a slight increase of 0.08% this week, with a year-to-date increase of 2.63%, but underperformed compared to the automotive parts sector [3][30]. - Key developments include a strategic partnership between Zhiyuan and Minshi Group to accelerate the localization and deployment of robotic technology in Europe, and the launch of a new quadruped robot by Yushu [3][41]. Automotive Parts Sector Summary - The SW automotive parts PE (TTM) is at the historical 88.37% percentile, while the PB (LF) is at 81.92% [3][28]. - The top five gainers in the automotive parts sector this week were: Xingyuan Zhuomei (+10.64%), Berteli (+7.15%), Feilong Co. (+7.11%), Changhua Group (+5.19%), and Yinlun Co. (+4.73%) [3][48]. - The sector's trading volume has shown a slight recovery post the Lunar New Year, but demand remains affected by market conditions [3][25]. Robotics Sector Summary - The latest trading day for the robotics sector shows a PE (TTM) at 1.36 times that of the broader market, with a PB (LF) at 1.84 times [40]. - The sector's trading activity has seen a modest increase due to performances at the Spring Festival Gala, although it remains at historical lows [37][30]. - Significant events include the entry of Zhiyuan into the German market and the unveiling of a humanoid robot by Honor at an upcoming exhibition [41][43]. Investment Recommendations - For the automotive parts sector, focus on structural opportunities by selecting product-oriented companies and those entering high-value segments to enhance ASP, particularly in Europe, North America, and Southeast Asia [3][54]. - In the robotics sector, look for certainty in opportunities, especially with the anticipated release of Optimus V3 and the application developments from companies like Xiaopeng, Yushu, and Zhiyuan [3][54].

Investment Highlights - The SW Auto Parts Index increased by 1.69% this week, ranking 3rd among SW Auto sectors, with a year-to-date increase of 4.94% [3][12] - The latest PE (TTM) for SW Auto Parts is at the 85.68% historical percentile, while the PB (LF) is at the 79.62% historical percentile [3][35] - The trading activity in the auto parts sector has shown a gradual increase since February [3][30] Robotics Sector Review - The Wande Robotics Index rose by 2.27% this week, with a year-to-date increase of 2.54%, outperforming the SW Auto Parts sector by 0.58% [4][12] - The latest PE (TTM) for the robotics sector is at the 73.90% percentile for the past year, and the PB (LF) is at the 78.31% percentile [4][46] - The trading heat in the robotics sector is at a low point since 2025 [4][40] Key Company Developments - Sensible Group will establish a joint venture in North America with Green Harmony for robotic joint modules [5] - Top Group forecasts 2025 revenue between 28.75 billion to 30.35 billion yuan, with a net profit of 2.6 billion to 2.9 billion yuan [5] - Feilong Co. increased its investment in Longtai Company by 732 million yuan [5] - New Spring established a wholly-owned subsidiary in Shanghai [5] Top Performers of the Week - The top five gainers this week include: - Precision Forging Technology +28.98% - Sensible Group +17.05% - Naisite +16.22% - Yinlun Co. +7.73% - Changhua Group +7.34% [6][54] Major Events - The release of the world's first warehouse robot Gino 1 by Jizhi Jia [8] - Xiaomi open-sourced its first-generation robot VLA large model [8] - UBTECH and the humanoid robot innovation center launched the full-size research humanoid robot "Tiangong Walker DEX" [8] Investment Recommendations - For auto parts, focus on structural opportunities by selecting product-oriented companies and those entering high-value sectors to increase ASP, with a priority on companies expanding capacity in Europe, North America, and Southeast Asia [9] - For robotics, look for certainty in opportunities, especially with the anticipated release of Optimus V3 in Q1 2026, and monitor the order timeline and application deployment by domestic companies like Xiaopeng, Yuzhu, and Zhiyuan [9] - Recommended stocks based on EPS include: Fuyao Glass, Xingyu Co., Sensible Group, Junsheng Electronics, and Xingyuan Zhuomei, with New Spring as a focus [9] - Recommended stocks based on PE include: Top Group, Junsheng Electronics, Shuanghuan Transmission, Sensible Group, Yinlun Co., and Feilong Co., with a focus on Yapu Co. and Daimai Co. [9]

Core Viewpoint - The humanoid robot sector is expected to gradually converge by 2026, with Tesla's Optimus moving from the laboratory phase to mass production, highlighting the need to focus on mass production certainty and new technological directions for efficiency improvement or significant cost reduction [1][2]. Industry Core Changes - The humanoid robot industry in 2025 saw significant order placements, primarily from government, data collection, and life service scenarios, with companies like Yuzhu, Zhiyuan, and UBTECH leading in shipment volumes [2]. - The prices of core robot components have significantly decreased due to industrial capital support, although there is still room for improvement in precision and lifespan [2]. - The model end has confirmed the correct path for VLA, with some models beginning to show intelligence, but the lack of sufficient data has prevented the formation of a scaling law cycle in the short term [2]. 2026 Strategy Outlook - The successful iteration of Tesla's Optimus is expected to lead to a large-scale production year in 2026, with key focus areas including Tier 1 suppliers, lead screws, and harmonic reducers, as the supply chain enters a contraction phase [3]. - For flexible robot targets, attention should be paid to technological iterations and cost reduction, with key drivers including improvements in dexterous hands, motors, and lightweight materials [3]. Investment Recommendations - For certainty in direction, focus on Tier 1 suppliers such as Sanhua Intelligent Control and Top Group, lead screws from Hengli Hydraulic and Zhejiang Rongtai, and harmonic reducers from Lide Harmonic and Siling Intelligent Drive [4]. - For technological transformation and cost reduction, key companies to watch include Zhaowei Electromechanical and Hanwei Technology for dexterous hands and electronic skin, Hengshuai Co. and Buke Co. for motors, and Hengbo Co. and Xingyuan Zhuomei for lightweight materials [4].

Investment Rating - The report maintains an "A" rating for the magnesium alloy sector, indicating a leading performance compared to the market [1]. Core Insights - The magnesium/aluminum price ratio has reached a historical low, highlighting the economic advantages of magnesium alloys as their applications continue to expand across multiple industries [2]. - In January 2026, magnesium prices increased slightly, while aluminum prices surged, driven by demand from emerging industries such as photovoltaics and energy storage, leading to a favorable market environment for magnesium alloys [2]. - The export volume of magnesium products in 2025 decreased by 2.65% year-on-year, with a significant drop in export value by 17.15%. However, magnesium alloy exports showed a growth of 4.51%, indicating a structural shift towards high-value-added products in the industry [3]. Summary by Sections Market Performance - The magnesium market in January 2026 showed a balanced supply, with stable prices supported by steady demand [2]. - The magnesium/aluminum price ratio fell to 0.75, a decrease of 0.14 year-on-year, reflecting the competitive edge of magnesium alloys [2]. Industry Developments - The implementation of three new industry standards for magnesium processing began on February 1, 2026, marking a significant step towards energy conservation and environmental governance in the magnesium smelting industry [6]. - The aerospace sector has seen advancements with the use of magnesium-lithium alloy platforms, which significantly reduce weight and enhance performance [5]. Company Announcements - Baowu Magnesium Industry reported a projected net loss for 2025 due to declining magnesium prices, while Yian Technology also forecasted losses attributed to increased investments in new technologies and currency fluctuations [7]. Investment Recommendations - The report suggests focusing on companies with comprehensive industry chain layouts such as Baowu Magnesium Industry, and those with high exposure to magnesium alloy business like Xingyuan Zhuomei, as well as equipment suppliers benefiting from increased capital expenditures in the sector [8].

Investment Rating - The report assigns an "Accumulate" rating for the company, marking its first coverage [2]. Core Insights - Xingyuan Zhuomei is a leading enterprise in the magnesium alloy die-casting sector, focusing on lightweight solutions for electric vehicles. The company has developed a comprehensive service system from mold design to die-casting production and precision processing, mastering core semi-solid casting technology. Its products include critical components such as heat sinks for headlights and electric drive housings, with a customer network that includes major global automakers like SAIC and Tesla. Despite short-term profit pressures due to high R&D investments and cost pressures, the company maintains a stable shareholding structure and continues to increase R&D investments to enhance product competitiveness and solidify its leading position in the magnesium alloy die-casting industry [5][11][58]. Company Overview - The company focuses on magnesium and aluminum alloy die-casting, deeply engaging in automotive lightweight and electric vehicle components. It has a one-stop service system and has integrated into the lightweight strategies of major automakers [11][58]. - The company has a stable shareholding structure, with the controlling shareholders holding 64.26% of the shares as of Q3 2025 [14]. - Financially, the company has shown an upward trend in total revenue, with a net profit exceeding 0.8 billion yuan in 2023, benefiting from the explosive demand in the electric vehicle market [16][58]. Industry Analysis - The magnesium alloy industry is experiencing favorable conditions driven by the demand for lightweight solutions in electric vehicles. The cost advantages of magnesium and technological upgrades are expected to lead to exponential market growth. China is the largest consumer and producer of raw magnesium globally, with abundant reserves, which enhances the country's control over industrial raw materials [5][24][26]. - The demand for magnesium alloys in the automotive sector is projected to exceed 100 billion yuan, with the lightweight trend becoming a core growth driver. The penetration of magnesium alloys in automotive applications is expected to increase significantly, with estimates suggesting that by 2030, the penetration rate could reach 85% [32][39][44]. - The report highlights that the magnesium-aluminum price ratio is decreasing, accelerating the "magnesium replacing aluminum" trend, which is crucial for the industry's growth [30][51]. Financial Forecast and Valuation - The company is expected to achieve revenues of 4.27 billion yuan, 9.69 billion yuan, and 17.09 billion yuan in 2025, 2026, and 2027, respectively, with year-on-year growth rates of 5%, 127%, and 76%. The net profit is projected to be 0.85 billion yuan, 1.54 billion yuan, and 2.52 billion yuan during the same period, with year-on-year growth rates of 6%, 80%, and 64% [5][58].