Quan Tri Va Kinh Doanh Du Lieu DMC Joint Stock Company Address: No 535 Kim Ma, Ngoc Khanh Ward, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101081615 Phone: 0247718693 Representative: Nguyen Hoai Phuong Adress: P212 Nha 57 Giang Vo, Cat Linh Ward, Dong Da District, Ha Noi City Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 19 - 12 - 2000