Khao Sat Thuong Mai Hoang Thanh LTD Address: No 9, Doi Can Street, Doi Can Ward, Ba Dinh District, Ha Noi City Enterprise code: 0103009029 Phone: 0913214775 Representative: Nguyen Mai Khanh Adress: 67 Chau Long, Truc Bach Ward, Ba Dinh District, Ha Noi City Doi Can Ward, Ba Dinh District, Ha Noi CityFounding date: 13 - 11 - 2008