Sleep quality assessment system of our company, Nanjing Fengsheng Yongkang Software Technology Co., Ltd. , obtained the Medical Device Registration Certificate of Jiangsu provincial food and Drug Administration of the people's Republic of China  , the number is: quasi-Su 20152700571，valid until May 27,2020. This system is suitable for the analysis of the physiological parameters of sleep, as well as analysis and diagnosis of sleep apnea syndrome.

The registration certificate（quasi-Su 20152700571）will have a positive impact for further improving our company's business core competitiveness and the company future operations.