Thuong Mai - Xay Dung Va Vien Thong Hoang Ha Joint Stock Company Address: No 66, Lane 5, Hoang Quoc Viet Street, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0105173137 Phone: 0983652539 Representative: Tran Trong Hung Adress: P106 - E5, Tap The Trung Tu, Trung Tu Ward, Dong Da District, Ha Noi City Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 3 - 3 - 2011