Xay Dung Va Ky Thuat Thang Long Joint Stock Company Address: No 8, Trang Thi Street, Hang Trong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0106031505 Phone: 02462700535 Representative: Hoang Ngoc Hiep Hang Trong Ward, Hoan Kiem District, Ha Noi CityFounding date: 9 - 11 - 2012