Tu Van Thiet Ke Va Dau Tu Hong Ha Joint Stock Company Address: No 41, 7 Dai Yen Civil Group, Ngoc Ha Ward, Ba Dinh District, Ha Noi City Enterprise code: 0103711069 Phone: 0918196996 Representative: Nguyen Ngoc Dung Adress: No 134, 40 Hao Nam Civil Group, O Cho Dua Ward, Dong Da District, Ha Noi City Ngoc Ha Ward, Ba Dinh District, Ha Noi CityFounding date: 17 - 4 - 2009