Tu Van Thiet Ke Xay Dung Va Thuong Mai Hong Ha Joint Stock Company Address: No 136, Mai Anh Tuan Street, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0101895893 Phone: 0248564723 Representative: Nguyen Van Hong Adress: F361 Hoang Cau Town, O Cho Dua Ward, Dong Da District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 23 - 3 - 2006