Dau Tu Thuong Mai Va Xay Dung Hoang Son LTD Address: No 264, Bach Dang Street, Chuong Duong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101980059 Phone: 0915931673 Representative: Phan Thi Thanh Adress: No 206 Civil Group 21, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Chuong Duong Ward, Hoan Kiem District, Ha Noi CityFounding date: 26 - 6 - 2006