Group 1: Business Layout - The company confirmed that it is not involved in industrial robotics business, except for smart logistics delivery vehicles [1] - Currently, there is no business related to drone engines, but the company has increased its investment in Kunming Yunnei Intelligent Equipment Co., which includes sales of intelligent unmanned aerial vehicles [1][2] Group 2: Performance and Financials - The company has reported a significant loss of 800 million in the fourth quarter for four consecutive years, attributed to asset impairment and provisions [2] - In 2024, the company improved the gross margin of single-engine units through technological upgrades, but the fourth-quarter loss was impacted by industry business policies and year-end asset impairment provisions [2] Group 3: Future Strategy - The company is facing challenges in the commercial vehicle market and aims to enhance management and foster emerging businesses for transformation [2] - The company is currently under investigation by the China Securities Regulatory Commission, with no results available yet [2]

编号：2025-03 | | □特定对象调研 □分析师会议 | | --- | --- | | 投资者关系活动类 | □媒体采访 ☑业绩说明会 | | 别 | □新闻发布会 □路演活动 | | | □现场参观 | | | □其他（电话会议） | | 活动参与人员 | 接待对象：网上投资者 | | | 接待人员：公司董事长、总经理杨波先生、财务总监朱国友先生、董 | | | 事会秘书翟建峰先生 | | 时间 | 2025 年 5 月 16 日 (周五) 下午 16:00-17:00 | | 地点 | 全景网"投资者关系互动平台"（https://ir.p5w.net） | | 形式 | 网络远程 | | | 公司就投资者在本次说明会中提出的问题进行了回复，问答环节 | | | 主要内容如下： | | | 1、请问贵公司有没有涉及工业机器人业务，若涉及请问是什么 | | | 业务，是否有在售产品或生产线的搭建？ | | | 您好，目前公司除智能物流配送车外，无其他机器人业务。谢谢！ | | | 2、公司发动机可以间接用于航空或者无人机相关领域吗？ | | 交流内容及具体问 | 目前公司暂无航空和无人机发动机业务， ...

Group 1: Automotive Industry Overview - The automotive parts industry is undergoing a significant transformation, driven by the implementation of vehicle replacement policies and the rapid growth of the new energy vehicle (NEV) market, which saw production and sales reach 3.182 million and 3.075 million units respectively in Q1 2025, marking year-on-year increases of 50.4% and 47.1% [2] - The penetration rate of NEVs continues to rise, becoming a core driver of growth in the automotive market, while the wave of automotive intelligence is sweeping through the industry, particularly in smart driving and smart cockpit developments [2] - Automotive parts companies are increasingly engaging in internationalization, leveraging their advantages in technology research and development, market promotion, cost control, and production scale to establish a stronger presence in the global automotive supply chain [2] Group 2: Engine Sector Performance - In 2024, domestic multi-cylinder diesel engine sales reached 3.9805 million units, a year-on-year decline of 3.71%, with commercial vehicle sales down 4.76% and engineering machinery sales down 4.12% [3] - The commercial vehicle market saw production and sales of 3.805 million and 3.873 million units respectively, reflecting year-on-year declines of 5.8% and 3.9% [3] - Some engine companies, like Weichai Power, reported revenue growth, achieving 215.691 billion yuan in revenue, a 0.81% increase, while others like Dongfang Electric experienced declines [4] Group 3: Battery Sector Insights - In 2024, global power battery installation reached 894.4 GWh, a year-on-year increase of 27.2%, with Chinese companies showing strong competitive advantages in technology and production scale [7] - Despite a decline in revenue for some companies due to falling raw material prices, profits remained robust, as seen with CATL achieving a net profit of 50.745 billion yuan, a 15.01% increase [8] - The Chinese power battery industry is navigating a complex market environment, focusing on supply chain management and exploring new growth points to enhance profitability [9] Group 4: Intelligent Supply Chain Developments - The automotive industry is increasingly driven by intelligence, with companies like Desay SV achieving revenue growth of 26.06% to 27.618 billion yuan in 2024 [10] - The internationalization of Chinese automotive companies is accelerating, with Desay SV's overseas orders exceeding 5 billion yuan, a year-on-year increase of over 120% [11] - Companies are actively developing innovative products and solutions in response to emerging market demands, with a focus on smart automotive electronics [12] Group 5: Tire and Glass Industry Performance - In 2024, China's tire production reached 1.187 billion units, a year-on-year increase of 9.2%, with exports also hitting a five-year peak [14] - Companies like Sailun Group reported significant revenue growth, achieving 31.802 billion yuan, a 22.42% increase, while others faced challenges due to rising raw material costs [15] - The automotive glass sector is evolving with new technologies, leading to increased revenue for companies like Fuyao Glass, which reported 39.252 billion yuan in revenue, an 18.37% increase [15]

Core Viewpoint - The internal combustion engine market in China shows a mixed performance with a decline in month-on-month sales but a year-on-year growth, indicating ongoing market activity despite short-term fluctuations [1][3]. Internal Combustion Engine Sales - In April 2025, domestic internal combustion engine sales reached 4.4562 million units, a month-on-month decrease of 7.88% but a year-on-year increase of 11.92%. Cumulative sales from January to April totaled 17.4872 million units, reflecting a year-on-year growth of 17.37% [1]. - The multi-cylinder diesel engine market, closely related to the commercial vehicle sector, experienced a decline in both month-on-month and year-on-year sales, with April sales at 174,600 units, down 16.45% month-on-month and 1.54% year-on-year [1][16]. Diesel Engine Performance - In April 2025, diesel engine sales amounted to 480,000 units, showing a month-on-month decline of 11.75% but a year-on-year increase of 5.34%. Cumulative sales for the first four months reached 1.8485 million units, up 4.29% year-on-year [3]. - The multi-cylinder diesel engine sales for January to April totaled 1.5 million units, with Weichai leading the market with over 270,000 units sold [6]. Commercial Vehicle Market - In April, the production and sales of commercial vehicles were 362,000 and 367,000 units respectively, reflecting a month-on-month decline of 16% and 17.9%, but a year-on-year increase of 1.3% and 2.7% [7]. - The multi-cylinder diesel engine sales in April were 380,800 units, down 14.09% month-on-month but up 3.72% year-on-year, with cumulative sales for the first four months at 1.5049 million units, a year-on-year increase of 2.99% [7]. Company Performance - In April, Weichai maintained its position as the top seller of multi-cylinder diesel engines with 60,800 units sold, while Yuchai and Yunnei followed with 57,100 and 35,900 units respectively [9]. - Cumulative sales data for January to April shows Weichai with 273,900 units sold, holding an 18.20% market share, while Yuchai sold 202,900 units with a 13.48% market share, reflecting a year-on-year growth of 20.78% [11][19]. Market Trends - The multi-cylinder diesel engine market experienced a notable month-on-month decline in April, contrasting with the year-on-year growth trend, raising questions about future performance in May [23].

Core Viewpoint - In 2024, Yunnei Power maintains a strong leading position in the diesel engine segment while actively pursuing transformation in traditional internal combustion engines and new energy strategies, focusing on technological innovation in diesel engines, hybrid systems, and hydrogen fuel cells, alongside developing emerging business projects centered on intelligent and green manufacturing to support the company's upgrade and sustainable development [1][6]. Group 1: Company Overview - Yunnei Power, established nearly sixty years ago, is a joint-stock listed company initiated by Yunnan Internal Combustion Engine Factory, with its actual controller being the Kunming State-owned Assets Supervision and Administration Commission [2]. - The company has solidified its position in the engine business, achieving breakthroughs in key core technologies, lightweight design, energy efficiency, and new product development, with its engine products reaching advanced domestic levels in economic efficiency, reliability, and environmental protection [2][4]. - As of December 31, 2024, the company holds 335 valid patents in the engine field, including 231 utility model patents, 68 design patents, and 36 invention patents [2]. Group 2: Product Performance and Revenue - In 2024, the company achieved a revenue of 4.731 billion yuan, with engine products generating 3.962 billion yuan, accounting for 83.75% of total revenue, while parts and other products contributed 556 million yuan, representing 11.74% [4]. - The company's diesel engines meet national emission standards, with series "90, 95, 100, 102" achieving National IV standards, showcasing excellent power, economy, and reliability [4]. - The company has established a production capacity of 850,000 engines annually, positioning it as a leader in the industry [5]. Group 3: Quality Management - The company operates under the IATF16949:2016 quality management system, ensuring product quality stability through rigorous control at every management stage, from raw material procurement to production and inspection [3]. - It has received numerous accolades, including being recognized as a national advanced typical enterprise for integrity and a benchmark enterprise for product and service quality [3]. Group 4: New Energy and Intelligent Manufacturing - The company is actively expanding its new energy business, focusing on hybrid, range-extended, dual-fuel, and hydrogen fuel cell products, aligning with the "dual carbon" strategy [6]. - In 2024, the company launched hybrid products in collaboration with major automotive manufacturers and is developing a comprehensive product system for fuel cells [6]. - The company is also advancing in intelligent manufacturing, with projects like smart rubber tapping machines and L4-level intelligent delivery vehicles, having received testing licenses for autonomous delivery vehicles in Kunming [7].

股票简称：云内动力 股票代码：000903 编号：2025—028 号 昆明云内动力股份有限公司 关于参加云南辖区上市公司 2024 年度投资者 为进一步加强与投资者的互动交流，昆明云内动力股份有限公司（以下简称 "公司"）将参加由云南证监局指导，云南省上市公司协会与深圳市全景网络有限 公司联合举办的"2024年度云南辖区上市公司投资者网上集体接待日"，现将相关 事项公告如下： 本次活动将采用网络远程的方式举行，投资者可登录"全景路演"网站 （https://rs.p5w.net），或关注微信公众号：全景财经，或下载全景路演APP, 参与本次互动交流，活动时间为2025年5月16日（周五）16:00-17:00。 届时公司董事长、总经理杨波先生，财务总监朱国友先生，董事会秘书翟建峰 先生将在线就公司2024年度业绩及2025年第一季度业绩、公司治理、发展战略、经 营状况和可持续发展等投资者关心的问题，与投资者进行沟通与交流，欢迎广大投 资者踊跃参与！ 特此公告。 昆明云内动力股份有限公司 网上集体接待日活动的公告 本公司及董事会全体成员保证信息披露内容的真实、准确、完整，没有虚假 记载、误导性陈述或重大遗漏。 ...

Company Overview - Kunming Yunnei Power Co., Ltd. was established in 1999 and listed on the Shenzhen Stock Exchange on April 15, 1999, with stock code 000903 [2] - The company primarily engages in engine and industrial-grade electronic products, including diesel engines, gasoline engines, and natural gas engines [2] Financial Performance - In 2024, the company experienced a decline in engine product sales and revenue due to structural differentiation in the commercial vehicle sector and rising penetration of new energy [4] - Despite a decrease in sales, the gross profit margin per engine increased compared to the previous year due to technological upgrades and internal management optimization [4] - The overall R&D expenditure increased compared to the previous year, but the company still reported a net loss due to rising financial costs after two consecutive years of losses [4] Product Development and Innovation - The company is focusing on the development of new energy products, including hybrid, range-extended, dual-fuel, and hydrogen fuel cell engines, as part of its "dual carbon" strategy [2] - The company is actively expanding its wire harness product business through technological innovation and increased R&D efforts [3] Business Expansion Strategies - For traditional internal combustion engines, the company is refining marketing strategies and promoting brand differentiation to expand market share [5] - In the industrial-grade electronic products sector, the company aims to enhance its technical capabilities and market competitiveness while participating in industry standard formulation [5] - The company is accelerating the development of new energy powertrains and emerging businesses, including L4 level intelligent delivery vehicles and smart rubber cutting machines [5] Market and Regulatory Environment - The company is currently cooperating with the China Securities Regulatory Commission regarding an ongoing investigation and has not received any conclusive opinions or decisions [5] - The company is also focusing on expanding its international market presence, particularly in Southeast Asia, Africa, South America, and the Middle East [5]

| 证券代 | 证券简 | 今日涨跌幅 | 今日换手率 | 五日均线 | 最新价 | 乖离率 | | --- | --- | --- | --- | --- | --- | --- | | 码 | 称 | （%） | （%） | （元） | （元） | （%） | | 873305 | 九菱科 | 29.99 | 25.03 | 35.98 | 43.65 | 21.32 | | | 技 | | | | | | | 301082 | 久盛电 气 | 19.97 | 9.51 | 14.41 | 16.52 | 14.61 | | 301509 | 金凯生 科 | 20.01 | 26.37 | 31.59 | 35.92 | 13.69 | | 836961 | 西磁科 技 | 16.45 | 18.87 | 34.99 | 39.29 | 12.30 | | 300398 | 飞凯材 料 | 14.94 | 25.04 | 18.38 | 20.31 | 10.51 | | 301137 | 哈焊华 通 | 14.23 | 17.07 | 20.31 | 22.31 | 9.87 | | 002790 | ...

| 300879 | 5 人 4 1 X | ZU.UUYO | 14:50 | 海概念 | | --- | --- | --- | --- | --- | | 宝馨科技 | | | | 机器人+光 | | 002514 | 首板 | 9.98% | 09:32 | 伏 | | 华丽家族 | 首板 | 9.92% | 09:44 | 机器人 | | 600503 | | | | +石墨烯 | | 凯迪股份 | 首板 | 10.01% | 10:16 | 机器人 | | 605288 | | | | | | 云内动力 | 首板 | 9.87% | 10:18 | 机器人 | | 000903 | | | | +发电机 | | 云中马 603130 | 首板 | 10.00% | 10:41 | 机器人 | | 南山智尚 | 首板 | 19.98% | 10:54 | 机器人 | | 300918 | | | | | | 信捷电气 | 首板 | 10.00% | 11:00 | 机器人 | | 603416 | | | | | | 赛福天 | 首板 | 10.00% | 11:21 | 深海科技 | | 6030 ...

4月28日上午，庆祝中华全国总工会成立100周年暨全国劳动模范和先进工作者表彰大会在北京人民大会堂隆重举行。 新华社记者 丁海涛 摄 庆祝中华全国总工会成立100周年暨全国劳动模范和先进工作者表彰大会4月28日上午在北京举行，2426人受到表彰，包括1670名全国劳动 模范和756名全国先进工作者。 全国劳动模范、全国先进工作者评选表彰每五年一次，表彰近年来在我国经济建设、政治建设、文化建设、社会建设、生态文明建设和党 的建设等方面作出重大贡献，取得突出成绩的工人、农民、科教人员、管理人员、机关工作人员及其他劳动者。 这是我国第17次评选表彰全国劳动模范和先进工作者。除了传统的农、林、牧、渔业，制造业等行业劳动者，还有工艺美术师、羌绣技艺 指导师等中华优秀传统文化的传承者，以及外卖骑手、快递接驳员、家政服务培训师等新职业劳动者。 具体到汽车行业，据中国汽车报记者粗略统计，比亚迪廉玉波、赛力斯张兴海、陕汽袁宏明、奇瑞新能源张国忠、上汽通用五菱吕俊成等 约70名优秀劳动者榜上有名。 以下为部分汽车行业获表彰人员： 全国劳动模范 廉玉波 比亚迪汽车工业有限公司首席科学家、汽车工程研究院院长，教授级高级工程师 张兴海 ...