Shenzhen GVDA Technology Co, Ltd.

Tel.: +86-755-27597356

Fax: +86-755-27597356

Mob: +86-13543265768

E-mail:marketing@gvdasz.com

Adauga: Camera 610-612 Hua Chuang Da Business Building, 46 Block, Bao An, District, Shenzhen, China