Thuong Mai Va Cong Nghe Dong Son LTD Address: No 2, Lang Ha Street, Thanh Cong Ward, Ba Dinh District, Ha Noi City Enterprise code: 0102025395 Phone: 0247720973 Representative: Le Anh Ngoc Adress: No 2, Lang Ha Street, Thanh Cong Ward, Ba Dinh District, Ha Noi City Thanh Cong Ward, Ba Dinh District, Ha Noi CityFounding date: 12 - 9 - 2006