Dau Tu Va Cong Nghe Dai Hai Joint Stock Company Address: No 88, Nguyen Xien Street, Ha Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0105937858 Phone: 0915613388 Representative: Tran Ngoc Oanh Adress: P205a, Nha A6, Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi City Ha Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 6 - 7 - 2012