Group 1 - The company has its own brand business primarily focused on self-research and promotion of acoustic brands [2] - Guangzhou Weifa is a significant subsidiary of the company, owning brands such as Vifa, Ailang, Zhujiang, and Aiwei, covering various acoustic product categories [2] - The Vifa SOUND solution encompasses a wide range of fields including speakers, monitors, mobile phones, tablets, smart wearables, home theaters, and automotive tuning [2]