Vien Thong Ba Sao Joint Stock Company Address: No 18, Tran Phu Street, Quarter 7, Lien Bao Ward, Vinh Yen City, Vinh Phuc Province Enterprise code: 2500261596 Phone: 0211215666 Representative: Dinh Hong Hai Adress: 19a, Nong Lam Street, Dong Ngac Commune, Tu Liem District, Ha Noi City Lien Bao Ward, Vinh Yen City, Vinh Phuc ProvinceFounding date: 13 - 10 - 2006