Group 1 - The core viewpoint of the article is that Yinlong Co., Ltd. focuses on sectors such as railways, water conservancy, bridges, highways, and new energy, and does not engage in the aerospace sector [1] - Yinlong Co., Ltd. holds a 20% stake in Shaanxi Aviation Hard Alloy Tool Co., Ltd., which specializes in the research, production, and service of hard alloy materials and cutting tools, primarily serving the aerospace, aviation, engine, automotive, high-speed rail, and steam turbine industries [1] - The company emphasizes its commitment to deepening existing business operations and actively exploring emerging markets to lay a solid foundation for achieving better performance [1]

Core Viewpoint - The company, Yinlong Co., Ltd. (603969.SH), focuses on sectors such as railways, water conservancy, bridges, highways, and new energy, and does not operate in the aerospace sector [1] Group 1: Company Overview - Yinlong Co., Ltd. holds a 20% stake in Shaanxi Aviation Hard Alloy Tool Co., Ltd., which specializes in the research, production, and service of hard alloy materials and cutting tools [1] - The products of Shaanxi Aviation Hard Alloy Tool Co., Ltd. are primarily used in aerospace, aviation, engines, automobiles, high-speed rail, and steam turbines [1] Group 2: Business Strategy - The company aims to deepen its existing business and actively explore emerging markets by effectively integrating internal and external resources [1] - The focus is on creating a solid foundation for achieving better performance in the future [1]

Core Viewpoint - Silver Dragon Co., Ltd. (603969.SH) focuses on sectors such as railways, water conservancy, bridges, highways, and new energy, and does not operate in the aerospace sector [1] Group 1: Company Overview - Silver Dragon holds a 20% stake in Shaanxi Aviation Hard Alloy Tool Co., Ltd., which specializes in hard alloy materials and tools for various industries including aerospace, automotive, and high-speed rail [1] - The investment in Shaanxi Aviation is classified as a financial investment, with no involvement in its management [1] Group 2: Future Strategy - The company aims to deepen its existing business and actively explore emerging markets by effectively integrating internal and external resources [1] - The goal is to establish a solid foundation for achieving superior performance in the future [1]