Thuong Mai Dich Vu Va Ky Thuat Hoang Dang LTD Address: No 631, Giai Phong Street, Giap Bat Ward, Hoang Mai District, Ha Noi City Enterprise code: 0107892560 Phone: 0963322538 Representative: Hoang Ngoc Cong Giap Bat Ward, Hoang Mai District, Ha Noi CityFounding date: 20 - 6 - 2017