Core Viewpoint - The special steel concept sector experienced a decline of 0.93%, ranking among the top declines in the concept sector, with notable drops in companies such as Benxi Steel and Maanshan Iron & Steel [1][2]. Group 1: Market Performance - The special steel concept sector saw a net inflow of 0.22 billion yuan, despite 18 stocks experiencing net outflows, with Baose shares leading the outflow at 20.82 million yuan [2][3]. - Among the top gainers in the special steel sector, Guangda Special Materials, Wuchan Jinlun, and Yongjin Co., Ltd. saw increases of 1.78%, 1.57%, and 1.46% respectively [1][2]. Group 2: Stock Performance - The stocks with the highest net outflows included Baose shares (-0.10%), Maanshan Iron & Steel (-4.09%), and Fangda Special Steel (-2.11%) [2][3]. - The top gainers in the special steel sector included Guangda Special Materials (1.78%), Wuchan Jinlun (1.57%), and Yongjin Co., Ltd. (1.46%) [1][2].

证券代码：300034 证券简称：钢研高纳 公告编号：2025-049 北京钢研高纳科技股份有限公司 关于为全资子公司四川钢研高纳锻造有限责任公司 和辽宁钢研高纳智能制造有限公司提供担保的进展公告 本公司及其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，并对其内容的真实性、准确性和完整性承担个别及连带责任。 因业务发展需要，公司全资子公司辽宁钢研高纳智能制造有限公司（以下简 称"辽宁高纳"）与招商银行股份有限公司沈阳分行（以下简称"招行沈阳分行"） 签订 4000 万元的综合授信协议，公司同意为辽宁高纳向招行沈阳分行申请的 4000 万元综合授信提供担保，担保方式为连带责任担保，公司与招行沈阳分行 签署了《最高额不可撤销担保书》（编号：124XY250414T00012501）。 上述为子公司担保事项在公司 2025 年度担保额度预计范围内，无需另行召 开董事会及股东大会审议。 现将上述担保合同的主要内容公告如下： 三、合同主要内容 一、担保情况概述 北京钢研高纳科技股份有限公司（以下简称"公司"）于 2025 年 4 月 23 日 召开第七届董事会第三次会议，于 2025 ...

证券代码：300034 证券简称：钢研高纳 公告编号：2025-048 北京钢研高纳科技股份有限公司 2024 年年度股东大会决议公告 本公司及董事会全体成员保证信息披露内容真实、准确和完整，没有虚假记载、误导性 陈述或重大遗漏。 特别提示： 1.本次股东大会未出现否决议案的情形。 2.本次股东大会未涉及变更以往股东大会已通过的决议。 一、会议召开情况 1、召集人：公司董事会 2、召开方式：现场投票与网络投票相结合的方式 3、召开时间： （1）现场会议时间：2025 年 5 月 15 日（星期四）15：30 （2）网络投票时间：2025 年 5 月 15 日通过深圳证券交易所系统进行网络 投票的具体时间为 2025 年 5 月 15 日上午 9:15 至 9:25、9:30 至 11:30，下午 13:00 至 15:00；通过深圳证券交易所互联网投票系统投票的具体时间为 2025 年 5 月 15 日上午 9:15 至 2025 年 5 月 15 日下午 15:00 期间的任意时间。 4、股权登记日：2025 年 5 月 9 日 5、现场会议召开地点：北京市海淀区气象路 9 号新材料大楼 5 层会议室 6、 ...

北京市中咨律师事务所 关于 北京钢研高纳科技股份有限公司 2024 年年度股东大会的 法律意见书 2025 年 5 月 北京市西城区平安里西大街 26 号 新时代大厦 6-8 层 邮编：100034 电话：+86-10-66091188 传真：+86-10-66091616 网址：http://www.zhongzi.com.cn 关于 2024 年年度股东大会的法律意见书 致：北京钢研高纳科技股份有限公司 北京市中咨律师事务所（以下简称"本所"）接受北京钢研高纳科技股份有限 公司（以下简称"钢研高纳"或"公司"）委托，指派李亚峰、吴楠律师（以下简称 "承办律师"）担任钢研高纳 2024 年年度股东大会（以下简称"本次股东大会"） 特别法律顾问，出席本次股东大会并出具法律意见书。 本法律意见书系根据《中华人民共和国公司法》（以下简称《公司法》）等 法律、规范性文件及《北京钢研高纳科技股份有限公司章程》（以下简称《公司 章程》）《北京钢研高纳科技股份有限公司股东大会议事规则》（以下简称《股 东大会议事规则》），并结合公司《北京钢研高纳科技股份有限公司关于召开2024 年年度股东大会的通知》（以下简称《股东大会通 ...

- The report predicts adjustments to the sample stocks of seven major broad-based indices in the Chinese market, including CSI 300, CSI 500, SSE 50, STAR 50, STAR 100, ChiNext Index, and ChiNext 50, based on the index compilation rules and data as of April 30, 2025 [1][7] - The CSI 300 Index selects stocks from the Shanghai and Shenzhen markets that meet criteria such as good operational status, no significant financial issues, and no abnormal price fluctuations. The selection process involves ranking stocks by daily average trading volume and market capitalization over the past year, applying buffer rules, and excluding stocks with significant losses or long-term suspensions. Adjustments are limited to 10% of the constituent stocks per review [8] - The CSI 500 Index excludes CSI 300 constituents and follows a similar methodology, focusing on stocks with good operational status, no financial irregularities, and stable price movements. Stocks are ranked by daily average trading volume and market capitalization, with buffer rules applied, and adjustments are capped at 10% of the constituent stocks [10] - The SSE 50 Index is derived from the SSE 180 Index, selecting stocks based on daily average market capitalization and trading volume over the past year. The accuracy of SSE 50 predictions depends on the SSE 180 Index's accuracy. Adjustments are limited to 10% of the constituent stocks [13] - The STAR 50 Index represents the top 50 securities on the STAR Market by market capitalization and liquidity. Stocks are ranked by daily average market capitalization, with buffer rules applied, and adjustments are capped at 10% of the constituent stocks [15] - The STAR 100 Index includes 100 mid-sized securities from the STAR Market, reflecting the performance of mid-cap companies. The selection process is similar to STAR 50, with adjustments limited to 10% of the constituent stocks [17] - The ChiNext Index selects stocks from the ChiNext Board based on the top-ranked daily average market capitalization over the past six months. Buffer rules are applied, and stocks with significant losses or long-term suspensions are excluded. Adjustments are capped at 10% of the constituent stocks [20] - The ChiNext 50 Index selects the most liquid stocks from the ChiNext Index's 100 constituents, considering industry coverage and applying buffer rules. Adjustments are limited to 10% of the constituent stocks [24]

Core Viewpoint - The aviation engine concept sector has shown a positive performance, with a 2.86% increase, ranking 7th among various concept sectors, indicating strong investor interest and potential growth in this area [1][2]. Market Performance - As of May 8, the aviation engine concept saw 74 stocks rise, with notable gainers including Chenxi Aviation and Huarun Co., both reaching a 20% limit up. Other significant performers included Aileda, Rifa Precision Machinery, and Xiling Power, which rose by 9.76%, 7.75%, and 7.37% respectively [1]. - Conversely, stocks such as Maixinlin, Julun Intelligent, and Jizhi Co. experienced declines of 2.64%, 2.55%, and 1.27% respectively [1]. Capital Flow - The aviation engine concept sector experienced a net outflow of 678 million yuan from major funds, with 38 stocks receiving net inflows. Seven stocks saw net inflows exceeding 30 million yuan, led by Haoneng Co. with a net inflow of 136 million yuan [2][3]. - Other notable net inflows included Hangfa Power, Rifa Precision Machinery, and AVIC Heavy Machinery, with net inflows of 81.44 million yuan, 62.90 million yuan, and 56.73 million yuan respectively [2]. Fund Inflow Ratios - Haoneng Co. led the fund inflow ratio with 48.12%, followed by New Dazhou A and Antai Technology at 11.99% and 10.86% respectively [3].

Market Overview - The Shanghai Composite Index closed at 3352.00 points, above the annual line, with a change of 0.28% [1] - The total trading volume of A-shares reached 13,217.97 million yuan [1] Stocks Breaking Annual Line - A total of 109 A-shares have surpassed the annual line today, with notable stocks showing significant deviation rates [1] - The stocks with the highest deviation rates include: - Landun Optoelectronics (300862) with a deviation rate of 8.84% and a daily increase of 9.64% [1] - Sichuan Chuang (600990) with a deviation rate of 8.81% and a daily increase of 10.00% [1] - Siter Technology (300608) with a deviation rate of 8.16% and a daily increase of 9.37% [1] Additional Stocks with Notable Performance - Other stocks with significant performance include: - New Jingang (300629) with a daily increase of 7.08% and a deviation rate of 6.63% [1] - Hongtian Co., Ltd. (603800) with a daily increase of 6.83% and a deviation rate of 5.89% [1] - Cambridge Technology (603083) with a daily increase of 10.00% and a deviation rate of 5.65% [1] Summary of Stocks with Lower Deviation Rates - Stocks that have just crossed the annual line with lower deviation rates include: - Huadian International (600027) with a deviation rate of 3.62% [1] - ST Asia Pacific (000691) with a deviation rate of 3.61% [1] - Energy Saving Iron (300197) with a deviation rate of 3.53% [1]

Group 1: Financial Performance - The company's revenue growth is notable, but high operating costs and expenses have led to a decline in net profit [1] - The company’s revenue is over four times that of a peer company, but high costs and R&D expenses significantly impact net profit [2][6] - The company has experienced a stock price decline of over 20% for three consecutive years [2] Group 2: Cost Management and Efficiency - The company plans to implement lean management to enhance operational efficiency and reduce costs [1][3] - There is a focus on internal potential exploration to improve asset operation quality [2][3] - The company is considering measures to control rising raw material costs affecting the military sector's net profit [3][6] Group 3: Market Opportunities and Strategic Initiatives - The company is actively pursuing new materials and product development to increase market share and profitability [1][6] - There is significant market potential in the civil aviation sector, particularly with developments like the C919 aircraft [2][4] - The company has established qualifications in the nuclear power sector and aims to strengthen collaborations in this area [6] Group 4: Employee Compensation and Incentives - The company’s average salary is twice that of a peer company, raising concerns about cost efficiency [2] - There are discussions about implementing employee stock ownership plans to reduce fixed compensation [2]

Group 1 - The report emphasizes a return to technology growth in May 2025, focusing on three main investment directions [2][5] - The recommended "golden stocks" for May include companies from various sectors such as technology, environmental services, defense, and healthcare, with detailed financial metrics provided [3][68] - The report highlights the importance of macroeconomic factors such as "loose monetary policy" and "weak dollar" in influencing market styles, favoring small-cap growth stocks [5][6] Group 2 - For the computer sector, the report recommends Shen Sanda A, citing its strong position in AI infrastructure and data services, with expected revenue growth driven by government and state-owned enterprise demand [10][11] - In the environmental services sector, Hanlan Environment is highlighted for its potential revenue growth and improved cash flow due to ongoing debt resolution and operational efficiency [15][16] - The defense sector's Steel Research High-tech is projected to benefit from increasing market demand for high-temperature alloys, with significant profit growth anticipated [20][23] Group 3 - The report identifies Xiaoshangpin City in the commerce sector as a key player in the small commodity trade, benefiting from the growth of the Yiwu market and new business opportunities in cross-border e-commerce [29][31] - Horizon Robotics is noted for its advanced autonomous driving solutions, with a significant market opportunity as the penetration of high-level autonomous vehicles increases [36][40] - BeiGene is recognized for its innovative drug pipeline, particularly the growth of its core product, with expectations of substantial revenue increases in the coming years [44][45] Group 4 - The report discusses the electronic sector's Jingzhida, which is positioned to capture market share in storage testing machines, with significant growth potential as domestic demand increases [54][55] - In the new energy sector, Sanhua Intelligent Control is highlighted for its strategic partnerships with major automotive manufacturers, anticipating strong profit growth driven by electric vehicle demand [56][57] - Huichuan Technology is noted for its advancements in automation and robotics, with expectations of increased market share and profitability as the industry recovers [62][63]

Investment Rating - The investment rating for the company is "Accumulate" (首次覆盖) [3][6]. Core Views - The company achieved a revenue of 3.524 billion yuan in 2024, representing a year-on-year growth of 3.4%. However, the net profit attributable to shareholders decreased by 22.08% to 249 million yuan [3][5]. - The company benefits from the domestic high-end and new high-temperature alloy production scale, with significant growth in overseas markets, particularly in sectors related to the Belt and Road Initiative, where revenue growth reached 54.08% [5][6]. - The industry outlook is positive, with a strong upward trend in demand for military and civil aviation engines, supported by a 7.2% increase in national defense spending in 2025 [5][6]. Financial Performance Summary - Revenue for 2024 was 3.524 billion yuan, with a growth rate of 3.4%. The forecast for 2025 is 3.824 billion yuan, reflecting an expected growth rate of 8.51% [7]. - The net profit for 2024 was 249 million yuan, with projections of 288 million yuan for 2025, indicating a recovery with a growth rate of 15.93% [7]. - The company's gross margin is expected to improve, with a forecasted gross margin of 30.40% in 2025 [10]. Market and Product Insights - The company focuses over 60% of its products on the aerospace sector, which is expected to see robust growth in both military and civil aviation engine demands [5][6]. - The company is actively expanding its domestic and international markets, with significant potential in low-altitude economy and gas turbine sectors [5][6]. - The product structure is anticipated to optimize further, enhancing overall profitability and net profit margins in the coming years [5][6].