Vien Thong MDV Joint Stock Company Address: 46 Cong Vien Phan Mem Quang Trung, To Ky Street, Tan Chanh Hiep Ward, District 12, Ho Chi Minh City Enterprise code: 0310564581 Phone: 02835178616 Representative: Ma Doan Kieu Adress: No 8 Binh Phu, Ward 10, District 6, Ho Chi Minh City Tan Chanh Hiep Ward, District 12, Ho Chi Minh CityFounding date: 7 - 1 - 2011