Dich Vu Ho Tro Doanh Nghiep LTD Address: 36 Hoang Cau, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0101999973 Phone: 0245146772; 0245146761 O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 25 - 7 - 2006