Dia Ky Thuat Geotec Joint Stock Company Address: No 25, 98 Xuan Thuy Lane, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0106009690 Phone: 02437824089 Representative: Cao Dang Tung Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 11 - 10 - 2012