Khoa Hoc Cong Nghe Dong A Joint Stock Company Address: Lot A2 CN3, Cong Nghiep Tu Liem Cluster, Minh Khai Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0106017035 Phone: 02437835861 Representative: Duong Duy Hoat Adress: Zoom 13, B13, Quynh Loi Ward, Hai Ba Trung District, Ha Noi City Minh Khai Ward, Bac Tu Liem District, Ha Noi CityFounding date: 23 - 10 - 2012