Dau Tu Xay Dung Dien Va Vien Thong Hoang Sa Joint Stock Company Address: No 4, Lane 218, Pham Van Dong Street, Co Nhue 2 Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0106851787 Phone: 0963033979 Representative: Ha Trung Hieu Adress: P209, Nha E4, Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi City Co Nhue 2 Ward, Bac Tu Liem District, Ha Noi CityFounding date: 18 - 5 - 2015