Ky Thuat Va May Tinh Hoang Anh Joint Stock Company Address: No 306B, Nam Du Street, Tran Phu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0105482110 Phone: 02436436194 Representative: Vu Van Thuyet Adress: No 306B, Nam Du Street, Tran Phu Ward, Hoang Mai District, Ha Noi City Tran Phu Ward, Hoang Mai District, Ha Noi CityFounding date: 5 - 9 - 2011