Technical Support: (+86)18510996862
Customer Service: (+86)4006-509-653
Sales: fangsk@gttss.com
Support: weixin@gttss.com
Monday - Friday: 9:00 AM - 6:00 PM
Technical Support: 24/7
Room 1011, 10th Floor, Building 15, Greenland Central Plaza, Haidian District, Beijing
+86 18926224512
fangsk@gttss.com
Monday - Friday: 9:00 - 18:00
BRoom 1011, 10th Floor, Building 15, Greenland Central Plaza
Haidian District, Beijing
China
Tel: (+86)010-62985450
D02, 30/F, T GPACE, 10 SHING YIP STREET, KWUN TONG
HONG KONG
China
Tel: (+86)18618288036
Room 2533-2534, No. 167, Linhe West Road,
Tianhe District, Guangzhou
China
Tel: (+86)18926224512