Shenzhen Sound Bass Technology Co., Ltd.

Shenzhen Sound Bass Technology Co., Ltd., also known by its brand name KVANCE, is a national high-tech enterprise headquartered in Shenzhen, China. Established as a specialized manufacturer and trading company, the firm integrates R&D, production, and global sales of advanced acoustic audio products and smart wearable devices. With over 10 years of international OEM and ODM experience, the company operates multiple production bases across Guangdong and Jiangxi, maintaining a daily production capacity of up to 20,000 pieces.