Shenzhen Sonka Electronic Technologies Limited is the first company which produces professional body scales in China. Sonka has been certified as one of the high-tech enterprises by Shenzhen government. Sonka has professional R&D, marketing and sales departments both at home and abroad. Sonka, founded in early 1992, has been in the leading position of body scale industry for several years thanks to our high technology, perfect quality, satisfactory after-sales services and well-arranged management. Sonka has a great team who were strictly trained up for the techniques in our R&D department. During the past 15 years, more than 20 models were designed with our own patents. These series of health scales have been widely used in hospitals, schools, gymnastics and health-care departments throughout the world and won a good reputation both at home and abroad.