根据《无人驾驶航空器飞行管理暂行条例》《中国民用航空局关于民用无人驾驶航空器监管服务有关公 告》，无人驾驶航空器适飞空域可通过民用无人驾驶航空器综合管理平台(以下简称"UOM平台"，网 址:https://UOM.caac.gov.cn)进行查询。未经空中交通管理机构批准，不得在无人驾驶航空器管制空域内 实施无人驾驶航空器飞行活动。在北京市行政区域内，组织无人驾驶航空器飞行活动的单位或者个人， 应当通过UOM平台提出飞行活动申请，经空中交通管理机构批准后方可实施。 对于违反《无人驾驶航空器飞行管理暂行条例》第五十一条第二款规定，未经批准操控微型、轻型、小 型民用无人驾驶航空器在管制空域内飞行，或者操控模型航空器在空中交通管理机构划定的空域外飞行 的，由公安机关责令停止飞行，可以处500元以下的罚款；情节严重的，没收实施违规飞行的无人驾驶 航空器，并处1000元以上1万元以下的罚款。 新京报讯(记者张静姝)无人机"黑飞"是指未经官方许可或未遵循相关法律法规的无人机飞行活动。为防 止无人机"黑飞"扰乱生产、生活秩序，北京大兴警方持续加大对无人机的管控力度，并于近日查获一起 使用无人机"黑飞"违法违规案件。 4月2 ...

事件：公司发布24 年报及25 年一季报。24 年公司实现营收10.15 亿元，同比+56.05%，实现归母净利润 0.14 亿元，同比-19.28%，实现扣非归母净利润0.11 亿元，同比+93.62%。分季度看，25Q1 公司实现营 收2.01 亿元，同环比+31.33%/-50.00% ； 实现归母净利润-0.07 亿元， 同环比+7.19%/-140.36% ； 实现 扣非归母净利润-0.07 亿元， 同环比+11.18%/-143.08% 。25Q1 公司销售毛利率为31.79% ， 同环比 +5.38/+8.70pct，销售净利率-4.19%，同环比+0.92/-8.80pct。 充电桩收入持续高增，盈利能力维持较高水平。根据公司公告，公司2024年充电桩收入8.06 亿元，同比 +59.6%，毛利率达30.24%，同比-3.10pct，仍然维持较高水平。公司充电堆产品齐全，目前推出1000kW 直流充电堆，800kW 全液冷直流充电堆等新产品满足下游客户新增需求。公司具备较好的客户资源优 势，凭借稳定的产品质量、灵活的定制化服务已经与众多知名客户建立了战略合作，市场拓展已遍布全 国各省自治区、直 ...

"五一"假期将至，为确保辖区居民和企业用电无忧，4月29日，国网福建南平延平区供电公司提前谋划、周密部署， 利用无人机对辖区主要供电线路开展精细化巡视，全力保障节日期间电网安全稳定运行。 ▲供电员工操作无人机进行巡视。雷世凯/摄 此次无人机巡检覆盖了辖区内的重要输电线路、变电站及关键设备。相比传统人工巡检，无人机凭借灵活机动、视角 全面、不受地形限制等优势，能够快速抵达人工难以到达的区域，对线路设备进行高清拍摄和红外测温，精准检测出线 路通道树障、绝缘子破损、线夹发热等潜在隐患。 在10千伏杜溪线巡检过程中，无人机通过红外测温功能，敏锐捕捉到一处耐张线夹温度异常升高的情况。经技术人员 进一步分析，确认是线夹接触不良导致发热，若不及时处理，极有可能引发线路故障，影响周边多个社区的正常供电。 发现隐患后，供电公司迅速组织抢修队伍，对问题线夹进行更换，成功消除了安全隐患。这只是无人机巡检成果的一个 缩影，截至目前，该公司已完成23条主要线路巡检，累计发现并处理隐患3处，确保供电设备 "健康上岗"。 同时，该公司还制定了详细的应急保障预案，安排专人24小时值班值守，确保突发情况能够快速响应、高效处置。下 阶段，该公司 ...

Group 1 - The stock of Zhimin Da (688636) has a comprehensive score of 58.25, indicating a strong performance [1] - The main cost analysis shows the following prices: current main cost at 41.54 yuan, 5-day main cost at 40.10 yuan, 20-day main cost at 39.44 yuan, and 60-day main cost at 36.60 yuan [1] - The stock has not experienced any limit-up or limit-down events in the past year [1] Group 2 - The short-term resistance level is at 40.75 yuan, while the short-term support level is at 38.04 yuan [2] - The stock price has broken through the short-term resistance level, indicating potential short-term strength, although the mid-term trend remains unclear [2] - The K-line pattern shows a "Red Three Soldiers" formation, suggesting a possible bottoming and rebound [2] Group 3 - As of April 30, 2025, the net inflow of main funds is 669.81 million yuan, accounting for 10% of the total transaction volume [2] - The breakdown of fund inflows includes a net inflow of 267.27 million yuan from large orders and 402.54 million yuan from major orders, with retail investors contributing a net inflow of 174.58 million yuan [2] - Related industry sectors include Internet services (2.16%), drones (1.75%), military industry (1.47%), and low-altitude economy (1.57%) [2]

Core Viewpoint - The article highlights the achievements and contributions of Li Ning, a leader in the transmission operation and maintenance center of State Grid Hebei Hengshui Power Supply Company, showcasing his dedication to innovation and training young professionals in the power industry [1][2][5]. Group 1: Professional Background and Achievements - Li Ning, born in June 1982, has transitioned from a retired soldier to a leading figure in transmission operation and maintenance over 21 years, earning numerous accolades including the National May Day Labor Medal and various technical expert titles [1][2]. - After retiring from the military in October 2004, Li Ning faced initial challenges due to a lack of professional skills but actively sought to improve by participating in tower operations and pursuing further education, ultimately becoming an expert in the field [2][4]. Group 2: Innovations and Contributions - Li Ning has developed and revised numerous operational guidelines and technical standards, contributing to 97 revised work instructions, 29 job specifications, and 306 technical standard documents [2]. - He pioneered five new operational methods, including the "split conductor clamp" technique, which have been integrated into the maintenance protocols of State Grid Hebei Power Company, marking significant advancements in transmission line maintenance technology [2][5]. Group 3: Training and Mentorship - As the head of an innovation studio established in 2016, Li Ning focuses on nurturing young talent by sharing his expertise and implementing a structured training approach that includes project-based learning and problem-solving [7][8]. - Under his mentorship, young professionals like Guo Lianju have rapidly advanced, achieving recognition as technical experts, while the innovation studio has produced 236 innovative results, with several receiving national patents and awards [8].

Core Viewpoint - The 2025 Disaster Prevention and Mitigation Conference held in Hangzhou focuses on integrating innovation into disaster prevention and mitigation efforts, aiming to enhance the quality of disaster management and promote new productive forces in development [1][3]. Group 1: Conference Overview - The conference is organized by the China Disaster Prevention Association and features discussions on disaster prevention, emergency safety, urban resilience, disaster warning, and prevention technologies [3]. - Keynote speeches were delivered by prominent figures including Ma Peihua, Zheng Guoguang, and Sun Xudong, emphasizing the importance of technological advancement in disaster prevention [3][4]. - The event attracted over 1,700 attendees, including experts from various fields related to disaster management and prevention [4]. Group 2: Technological Innovation and Collaboration - Ma Peihua highlighted the need for a technology innovation system led by enterprises to shift focus from post-disaster relief to pre-disaster prevention [3]. - Zheng Guoguang pointed out the severe current disaster prevention situation and the opportunities presented by emerging technologies such as AI, humanoid robots, and drones [3]. - The conference included 19 specialized sub-forums addressing various aspects of disaster prevention and mitigation, fostering technical exchanges and collaboration [5]. Group 3: Public Engagement and Community Involvement - The conference featured a 10,000 square meter emergency equipment exhibition area, open to the public, showcasing the latest advancements in emergency communication and intelligent rescue [4]. - A concurrent 2024 Disaster Prevention and Mitigation Charity Conference aimed to build a collaborative network involving charitable organizations, rescue teams, and volunteers [4]. - The event served as a platform for sharing experiences in urban disaster prevention system construction and enhancing grassroots emergency capabilities [4].

访问台湾的九州经济 联合会代表团与台湾经济部长郭智辉（前排右起第三位）等人（2月，台北） 自2024年5月赖清德上台以来，台湾经济部多次提出在九州设立据点的构想。选址于九州最大城 市福冈而非熊本等地的背后原因可能在于希望与整个九州地区展开合作，而不仅限于特定县市。 在九州，台积电熊本第1工厂已于2024年末开始量产，此外，2024年7月，全球最大的半导体后 工序企业台湾日月光投资控股（ASE）与北九州市签订了获得土地的临时合同。台湾方面对被称 为"硅岛"的整个九州的潜力充满期待。 要解读贸易投资中心的意图，台湾经济部长郭智辉多次提到的两个词值得参考。第一个是"境外关 内"。意思是为了扩大台湾制造业的市场，将以日美欧等友好国家为目标，对海外投资提供支援。 第二个是"以大带小"。意思是以台积电为代表的大企业带领中小企业，将台湾的供应链整体向海 外拓展。将推动支撑台湾经济的中坚企业和中小企业迅速走向海外。 在被称为"台湾硅谷"的台湾北部新竹等地，当局主导运营的"科学园区"里集合了供应链和研究机 构，通过开放创新，不断提升竞争力。台湾的新竹、中部、南部三大园区的总销售额2024年达到 历史最高的4.76万亿台币。 然 ...

以"低空经济重新定义城市交通"为主题的第二届全球低空经济论坛春季会4月27日至4月28日在北京举行。 中国低空经济联盟理事长罗军表示："我们需要重新认识无人机，重新定义无人机。无人机将无处不在，无人机与AI结合将更加紧密，成为能够飞起来的 机器人。在2030年，我国无人机产业将率先实现万亿规模。" 罗军表示，无人机在迎来高速发展的同时，也在加快转型升级步伐，竞争将更加激烈，优胜劣汰不可避免。我国虽然是无人机大国，但是主要以消费级无 人机为主。当前，无人机正在由消费级向大中型、功能型方向转变，每一个细分赛道都是千亿级别。 无人机可分为固定翼无人机和多旋翼无人机。据介绍，固定翼无人机主要以油电混合为主，载重量已经突破1.5吨和3吨，下一步有望突破5吨和20吨。固 定翼无人机飞行距离能够突破2000公里，甚至更远的距离，主要用于物流运输。 多旋翼无人机主要是纯电为主，用于300公里半径内的短途运输和城市内点对点、端对端的快递运输。现阶段，无人机主要以油电混合、纯电模式为主， 太阳能、氢能等新能源动力的无人机将陆续推向市场。 记者从该场论坛上获悉，随着低空经济发展驶入快车道，无人机产业成为率先崛起的赛道。凭借相对成熟 ...

Investment Rating - The report maintains a "Recommended" investment rating for the company, with a current stock price of 31.12 yuan [1]. Core Insights - The company achieved a revenue of 1.828 billion yuan in 2024, representing a year-on-year growth of 23.83%, and a net profit attributable to shareholders of 435 million yuan, up 34.50% year-on-year [4][7]. - In Q1 2025, the company reported a revenue of 449 million yuan, a 20.81% increase year-on-year, with a net profit of 108 million yuan, reflecting an 8.20% year-on-year growth [4][7]. - The company plans to distribute a cash dividend of 0.651 yuan per share, totaling approximately 26.97 million yuan [4]. Financial Performance Summary - Revenue and Profit Growth: - 2024 revenue: 1,828 million yuan (+23.83% YoY) - 2024 net profit: 435 million yuan (+34.50% YoY) - 2025 Q1 revenue: 449 million yuan (+20.81% YoY) - 2025 Q1 net profit: 108 million yuan (+8.20% YoY) [4][6][7]. - Profitability Metrics: - 2024 gross margin: 36.42% (+5.67 percentage points YoY) - 2024 net margin: 23.57% (+2.05 percentage points YoY) [7]. - Future Projections: - Expected net profits for 2025-2027: 544 million yuan, 664 million yuan, and 811 million yuan respectively [8][10]. - Expected EPS for 2025-2027: 1.31 yuan, 1.60 yuan, and 1.95 yuan respectively [10]. Product and Market Structure - The company focuses on optimizing product, market, and customer structures, with significant sales in sectors such as new energy vehicles, AI servers, and photovoltaic storage [7][8]. - The SGT-MOSFET product line saw a revenue increase of 43% YoY, contributing to 42.86% of total sales [8]. - The company is expanding its presence in high-end applications and deepening ties with leading clients in the new energy sector [8]. Financial Ratios - Key financial ratios for 2024-2027: - Gross margin: 36.4% (2024), 36.8% (2025E), 36.8% (2026E), 36.9% (2027E) - Net margin: 23.8% (2024), 24.2% (2025E), 24.2% (2026E), 24.2% (2027E) - ROE: 11.0% (2024), 12.3% (2025E), 13.3% (2026E), 14.3% (2027E) [10].

Group 1: Pineapple Production in Guangdong - Guangdong is a major agricultural province, producing one-third of China's pineapples, with a total planting area of 350,000 acres and an expected harvest of over 700,000 tons, generating a value of 2.72 billion yuan this year [2][6] - The local agricultural department has implemented early warning systems for natural disasters and established a pineapple index platform to guide farmers on market prices and supply-demand dynamics, leading to improved quality and rising sales prices [6][10] - The introduction of an intelligent sorting line in 2022 at the Xu Wen Pineapple International Procurement Trading Center allows for real-time quality detection of pineapples, ensuring that only high-quality products reach the market [8][10] Group 2: New Agricultural Practices - Young farmers like Xu Zhihui are leveraging e-commerce and social media to market their pineapples, successfully selling over 1 million pounds in a short period [12][13] - The use of AI and drones in lychee orchards is transforming agricultural practices, with a new "smart manager" system developed by Sun Yat-sen University enhancing digital management and monitoring of crops [16][19] - The implementation of AI-driven agricultural practices has resulted in an average yield increase of 20% and improved quality of lychees, with the system being promoted across major production areas in Guangdong [23][25]