Chi Nhanh Ha Noi - Cong Ty TNHH Van Tai Va Dich Vu Vien Thong Vinh Vien Address: No 40, Duy Tan Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0312110583-001 Phone: 02454124625 Representative: Tran Thi Thuy Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 4 - 3 - 2013