Location
No. 47 Laiguangying East Road, Chaoyang District, Beijing, China
Fiscal year end
December 31
Form type Sec Links Description Filing date Reporting date
20-F Report | Data 20-F Apr 28, 2023 Dec 31, 2022
20-F Report | Data 20-F Apr 29, 2022 Dec 31, 2021
20-F Report | Data 20-F Apr 22, 2021 Dec 31, 2020