Headquarters:
91 Lang Ha St., Đong Đa Dist., Hanoi
Tel: (84.4) 3856 1767 - Fax: (84.4) 3856 1815
Southern office:
56 Thu Khoa Huan St., Dist. 1 HCMC
Tel: (84.8) 3829 1539 - Fax: (84.8) 3829 6301