Add: M5,Jiuxianqiao East Road, Chaoyang District,Beijing,China PRC
Tel: (86-10) 8456 2121

Fax: (86-10) 8456 4234
Website: www.21vianet.com
Hotline: 400-651-9966

Beijing
Add: M5,Jiuxianqiao East Road, Chaoyang District,Beijing,China PRC
Tel: (86-10) 8456 2121
Fax: (86-10) 8456 4234

Shanghai
Add: 6F, 288 Jingtai Building, Taixing Road, Shanghai, China PRC
Tel: (86-21) 5213 1133
Fax: (86-21) 5292 5986

Guangzhou
Add: 1306-1307,13F Renfeng Building,490 Tianhe Road,Tianhe District,Guangzhou, China PRC
Tel: (86-20) 3888 9766
Fax: (86-21) 5292 5986