Full company name: Beijing Refining Network Technology Co., Ltd.

Registered address: Room 222, 2nd Floor, Building 48, National Cybersecurity Industrial Park (Siji Huigu), No. A25, Beiwucun Road, Haidian District, Beijing, P.R. China

Office address: Room 222, 2nd Floor, Building 48, National Cybersecurity Industrial Park (Siji Huigu), No. A25, Beiwucun Road, Haidian District, Beijing, P.R. China

7*24h service telephone: 010-88459460，18701135022

Zip code: 100195