Be Tong Xay Dung Ha Tay Joint Stock Company Address: KM So 3, Phung Hung Street, Kien Hung Ward, Ha Dong District, Ha Noi City Enterprise code: 0500437694 Phone: 02433541238 Representative: To Lan Huong Adress: No 15, Lane 204, Civil Group 10, Trung Hoa Ward, Cau Giay District, Ha Noi City Kien Hung Ward, Ha Dong District, Ha Noi CityFounding date: 20 - 5 - 2003