Hunan Sanan’s R&D investment and market layout

During the reporting period, Hunan Sanan increased its investment in the research and development of integrated circuit products, with a total investment of 1.736 billion yuan, accounting for 12.35% of its operating income. The company completed key process debugging in the field of silicon-based gallium nitride and successfully introduced leading domestic and foreign customers. At the same time, the company also upgraded the 650V chip technology platform used in the consumer electronics market such as mobile phone fast charging.