Contact us

Sales:
Tel:+86-21-5240 0198
Email: info@qast.com

Support:
Tel:+86-21-5240 1000
Email: support@qast.com

Cooperation:
Tel:+86-21-5240 0198
Email: partner@qast.com

Investment：
tel：021-52400198
E-mail：partner@qast.com

Shanghai Headquarter :
Add: 21/F, Zhao Feng World Trade Building,
No.369 Jiang Su Road,
Shanghai 200050, China
Fax: +86-21-52400179