Company headquarter is located in Shenzhen, Guan¥★gdong Province, covering an area of₽γλ 20,000 square meter"★s, with more than 500 employeλεes, the company has ​εa modern production base and R & D cen$✘ter and owns a complete industrial chain >→≠from product design, R &♠∏ D, molding, injection molding‍★★, accessories, finished product assembly and ∞♥then to online and offline sales.

Focusing on innovatio‌σ≥n and quality, the company has >×←obtained more than 300 natπ>ional patents and ceφ£™$rtificates, including ISO9001 quality mana™$♥♠gement system certification, CE cer®‍  tification of medical devices, FDA certific​ ₩ation, domestic product registration and Ω  production license, domestic and foreign p£¶atented technology and product certif✘©ication certificate,±↔" etc. Moreover, SONIDA ♦Ω←has successfully built well-known domestic con☆¶¥♦sumer electronics brands like SOεεNGDIAN, CAIZU, CHUBU, SUODAJIA aΩ✘nd so on. It has become a nationa™λ♠l brand pioneer.