人民财讯9月25日电，东尼电子（603595）9月25日在业绩说明会上表示，公司与宁德时代（300750）合 作的主要产品为柔性线路板，目前已持续规模化交付其定点项目。公司主要在消费电子业务上与立讯精 密（002475）合作，向其供应无线充电隔磁材料、超微细线材等产品。 ...

Core Viewpoint - The "Apple concept" sector, particularly Chaoyang Technology, has experienced significant volatility due to changes in US-China tariff policies and promotional pricing strategies ahead of the "618" shopping festival, leading to increased investor scrutiny [1][6]. Company Summary - Chaoyang Technology reported a total revenue of 1.734 billion yuan in 2024, a year-on-year increase of 21.24%, while net profit decreased by 3.31% to 113 million yuan [2]. - The company's revenue breakdown shows that earphone products generated 1.22 billion yuan (70.36% of main business revenue), sound products contributed 236 million yuan (13.62%), and precision components accounted for 265 million yuan (15.27%) [2]. - Major clients include well-known brands such as A client, Samsung, and Xiaomi, with sales to the largest customer reaching 703 million yuan, representing 40.53% of total sales [2]. Institutional Investor Changes - There was a notable reduction in institutional investor holdings in Chaoyang Technology from the end of 2024 to the first quarter of 2025, with only four institutions remaining compared to thirteen previously [4][5]. - The largest institutional shareholder, Morgan Stanley, reduced its holdings from 357,200 shares to 225,200 shares, while other funds also decreased their stakes significantly [5]. Sector Performance - The "Apple concept" sector saw a rise prior to the recent downturn, influenced by tariff changes and promotional activities in the consumer market [6]. - Companies like Dongni Electronics and Yanmian Technology also faced challenges, with Dongni Electronics reporting a revenue of 1.981 billion yuan in 2024, a 7.86% increase, but a net profit of only 11.52 million yuan [8]. - Yanmian Technology's revenue heavily relies on the Apple supply chain, with 44.19% of its sales coming from its largest customer [9]. R&D and Future Outlook - Si Lin Jie, another player in the sector, achieved a revenue of 184.51 million yuan in 2024, a 10.09% increase, with a net profit growth of 69.99% [10]. - Despite the growth, Si Lin Jie reported a decrease in R&D investment from 52.08 million yuan to 49.24 million yuan, indicating potential concerns about future innovation capabilities [11].

Core Viewpoint - Dongni Electronics reported a turnaround in net profit for 2024, achieving a net profit of 11.52 million yuan, driven by growth in various business segments and a significant reduction in asset impairment losses [2] Revenue and Profit Growth - The company achieved an operating revenue of 1.98 billion yuan, representing a year-on-year increase of 7.86% [2] - The net profit attributable to shareholders turned positive, reaching 11.52 million yuan [2] Business Segment Performance - **Consumer Electronics**: The demand in the consumer electronics sector has rebounded, leading to increased revenue and gross profit. The company improved operational quality through enhanced product quality, stable delivery, and optimized product specifications [2] - **Photovoltaic Business**: Although revenue declined, gross profit improved due to structural adjustments and cost control. The focus on high-value products like cutting magnetic materials and sapphire has led to an overall increase in gross profit [3] - **Medical Business**: The medical segment continues to grow steadily, with increased revenue and gross profit driven by high-value products for international clients. The company is also working on new product verification and mass production [3] - **New Energy Business**: Revenue and gross profit in the new energy sector have both increased. The company supplies key components like circuit boards and ear tabs to downstream battery manufacturers, achieving significant revenue growth through improved production processes [4] Strategic Goals - The company aims to become a leading manufacturer of ultra-fine electronic wires and metal-based composite materials, focusing on innovation and future growth. Plans for 2025 include enhancing product development through partnerships and advanced testing facilities [4][5]