A certain enterprise in Shenzhen is a medical device manufacturer that integrates research and development with production. The company focuses on innovation and research and development of low-frequency therapeutic devices (TENS and EMS). After years of unremitting research and exploration, several series of low-frequency therapeutic devices have been developed. Such as wired, rechargeable, wireless, remote control, Bluetooth connected, and low-frequency therapy devices with heating function.

The NMPA registration cooperation between the company's low-frequency therapeutic device and Ruini took 6 months from submission to approval to obtain the certificate.