Xay Dung Be Tong Quoc Te Joint Stock Company Address: So 9 Civil Group, Dong Ngac Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0102364013 Phone: 02437578523 Representative: Ha Thi Ly Adress: No 4, Lot 4B, Trung Yen 1 Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Dong Ngac Ward, Bac Tu Liem District, Ha Noi CityFounding date: 17 - 9 - 2007