一、主要产品的产量、销售及收入情况 证券代码：603879 证券简称：ST 永悦 公告编号：2025-007 永悦科技股份有限公司 2024 年年度主要经营数据公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述 或者重大遗漏，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。 根据上海证券交易所《关于做好上市公司 2024 年年度报告披露工作的通知》 和《上海证券交易所上市公司自律监管指引第 3 号--行业信息披露：第十三号— 化工》的要求，永悦科技股份有限公司（以下简称"公司"）2024 年年度主要经 营数据披露如下： 三、主要原材料的采购价格变动情况（不含税） | 类别 | 2024年1-12月平均采购 | 2023 年 1-12 月平均采 | 变动幅度 | | --- | --- | --- | --- | | | 单价（元/吨） | 购单价（元/吨） | | | 苯乙烯 | 8,210.89 | 7,464.89 | 9.99% | | PET 塑料片 | 4,540.14 | 4,256.02 | 6.68% | | 顺酐 | 5,945.44 | 6,217.85 | - ...

Investment Rating - The report maintains an "Overweight" rating for the low-altitude economy sector [3]. Core Insights - The low-altitude economy index increased by 6.14% this week, with a daily average trading volume of 34.547 billion yuan, and a TTM price-to-earnings ratio of 83.15 times [3]. - EHang reported an annual total revenue of 456 million yuan, marking a year-on-year growth of 288.5%, and became the world's first profitable eVTOL company [3][5]. Sector Performance Review - The low-altitude economy index outperformed the Shanghai and Shenzhen 300 index, with a relative increase of 4.75% [3]. - The average daily trading volume for the week was 34.547 billion yuan, which is in the 129.37% percentile over the past year [3]. - The sector's valuation remains high, with a TTM price-to-earnings ratio of 83.15 times, indicating sustained investor interest despite a slight decrease in trading volume compared to the previous week [3]. Industry Dynamics - The first low-altitude economic industry digital transformation promotion center was established in Chengdu, Sichuan, aimed at integrating digital technology into the low-altitude economy [4]. - Nine low-altitude economic technology innovation application scenarios were released in Chengdu, covering areas such as low-altitude logistics and tourism [4][17]. - The Wuhu low-altitude economy provincial future industry pilot zone was launched, focusing on low-altitude equipment manufacturing and service networks [4][18]. Policy Developments - The Central Air Traffic Management Office initiated measures to prevent drone interference with civil aviation operations, enhancing safety protocols around civil transport airports [5][34]. - The report highlights the establishment of the Huashang Low-altitude Economy Legal Research Institute, which aims to address legal aspects of the low-altitude economy [4][18]. Key Company Developments - EHang achieved record highs in both total revenue and aircraft delivery in 2024, with a total revenue of 456 million yuan and a delivery of 216 aircraft, representing year-on-year growths of 288.5% and 315.4%, respectively [5][35].

文 / 巴九灵（微信公众号：吴晓波频道） "在装修房子时，你会把门窗作为一个单独的选项去购买么？" 在参访皇派门窗智能工厂时，吴老师向同行的学员抛出了这么一个问题。 作为"走进标杆工厂"的第29站，今年的第一站，百位企业家学员来到了位于广东佛山的皇派门窗华南1号生产基地。 这里是国家绿色工厂，也是国 内前沿的智能工厂。 整整一天参访，不仅让大家对门窗这个无处不在、又不起眼的产品，有了全新的认识，更是引发了对品类创新的深度思考。 2015年，吴老师写《去日本买只马桶盖》时，智能马桶盖在中国的普及率还只有1%左右。 当时，马桶盖只是一个附属品，有些甚至是木头或塑料制成，根本不被看作一个独立的产品。 然而，当用户意识到它是一个独立的品类时，便愿意花费数千元去购买。这就是品类创新所带来的市场空间。 正如10年前的马桶盖一般，在皇派门窗的带领下，门窗正从一个被忽视的"家居配件"，转变为一个全新的品类。 那么，皇派门窗是如何开创新品类的？智能制造在其中又扮演了怎样的角色？这次参访，我们从中找到了3点答案。 产品做得足够细 参访当天，虽然下雨导致气温较低，但现场学员们的学习热情，却将场馆烘托出温暖的感觉。 在这种氛围下，我 ...