Co Phan Buu Chinh Viettel Address: No 1, Giang Van Minh Street, Kim Ma Ward, Ba Dinh District, Ha Noi City Enterprise code: 0105883112 Phone: 02436266030 Representative: Luong Ngoc Hai Adress: B9, KTT Xuat Nhap Khau Sach Bao, 252 Hoang Quoc Viet Lane, Ha Noi City Kim Ma Ward, Ba Dinh District, Ha Noi CityFounding date: 9 - 5 - 2012