Core Viewpoint - Yunding Technology (000409) has highlighted its subsidiaries' advancements in intelligent mining systems and automation solutions, showcasing their proprietary products and technologies in the coal mining sector [1] Group 1: Subsidiary Developments - The subsidiary Beidou Tiandi has developed intelligent tunneling and coal mining systems, along with auxiliary and other intelligent systems, which include GIS systems and digital twin auxiliary control systems [1] - The subsidiary Detong Electric focuses on intelligent washing and selection, offering products such as automated coal washing system integration and intelligent online ash content detection systems [1] Group 2: Business Overview - The company has provided detailed insights into its business operations in the "Management Discussion and Analysis" section of its 2024 Annual Report [1]