Vien Thong Dai Song Dai Joint Stock Company Address: 53C Ho Hao Hon, Co Giang Ward, District 1, Ho Chi Minh City Enterprise code: 0304509078 Phone: 0288459903 Representative: Duong Hong Viet (Duong Victor Adress: 8 Clark Way, Holmdel, NJ 07733, District 1, Ho Chi Minh City Co Giang Ward, District 1, Ho Chi Minh CityFounding date: 22 - 8 - 2006