Contact us
Ha Noi
+84 (986) 264 264 hanoi@gbac.vn
Office
VPGD : N4D ,Le Van Luong 
XSX : Huu Bang, Thach That
 
Nghe An
+84 (774) 399 399 nghean@gbac.vn
Office
VPGD: 29, Ha Huy Tap, Vinh,
XSX: Lo15, KCN Nghi Phu, Vinh