Dich Vu Va Thuong Mai Hoang Sa Joint Stock Company Address: 1a, Civil Group 2, Giap Nhat Cluster, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102985797 Phone: 0978296384 Representative: Tran Tam Thanh Adress: No 10, Lane 01, Van Phuc, Lieu Giai Ward, Ba Dinh District, Ha Noi City Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 23 - 10 - 2008