SHENZHEN GUOSAI TECHNOLOGY DEVELOPMENT CO.,LTD.

Sales Add: 31C108, Building 3, Huaqiang electronic world, No. 1015, Huaqiang North Road, Shenzhen,China.
Tel: 0755-83759072 Fax: 0755-82812954
http://www.szguosai.com / www.guosaia.com
QQ: 3432352545
E-mail:szgskj@hotmail.com

Online customer service ：

YUEQING GUOSAI TECHNOLOGY DEVELOPMENT CO.,LTD.

Factory Add: No. 202 Wei fifteen Road, Economic Development Zone, Yueqing, Zhejiang
P.C.: 325600
Tel: 0577-61891155 Fax: 0577-61891159
http://www.guosai.cc / www.guosaia.com
QQ: 2628462568
E-mail:guosai@guosai.cc

Online customer service ：