Tu Van Khao Sat Xay Dung Va Thuong Mai Song Thuong Joint Stock Company Address: No 62, Lane 678, La Thanh Street, Giang Vo Ward, Ba Dinh District, Ha Noi City Enterprise code: 0102720092 Phone: 0868096699 Representative: Vu Tri Thuat Adress: No 22, Civil Group 30, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Giang Vo Ward, Ba Dinh District, Ha Noi CityFounding date: 17 - 4 - 2008