Core Viewpoint - The article highlights the innovative practices of Guojin Instrument and Meter Group in developing the "Yihong" open group intelligent control commercial system based on open-source HarmonyOS technology, showcasing Chongqing's strength in industrial intelligence [1][2]. Group 1: Company Overview - Guojin Instrument and Meter Group is recognized as the chairman unit of the Chongqing Open Harmony Application Innovation Ecological Alliance, focusing on building an industrial intelligent system that integrates perception, control, execution, and artificial intelligence [4]. - The company aims to drive the intelligent transformation and upgrading of industrial automation in sectors such as metallurgy and petrochemicals through AI empowerment [4]. Group 2: Product Focus - The "Yihong" system emphasizes collaboration across four product lines: advanced sensors and components, high-end instruments and meters, intelligent control systems and solutions, and high-performance materials [4][5]. - This innovation aligns with Chongqing's "3 3 6 1 8" modern manufacturing cluster system, benefiting from a comprehensive industrial ecosystem that provides rich application scenarios for open-source HarmonyOS technology [5]. Group 3: Future Directions - Guojin Instrument and Meter Group plans to systematically advance the research and development of the "Yihong" system, accelerating its application across broader fields [5]. - The company aims to contribute to Chongqing's goal of becoming a national highland for open-source HarmonyOS application innovation [5].