Ky Thuat Dai Co Joint Stock Company Address: No 47, Tran Duy Hung Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101659261 Phone: 0245566651 Representative: Le Van Hoa Adress: No 47, Tran Duy Hung Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 30 - 5 - 2005