Dich Vu & Dao Tao Hoang Thanh LTD Address: No 9, Lane 6, Vu Huu Street, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0109345073 Phone: 0962021221 Representative: Ha Tien Dung Adress: No 27, Tran Duy Hung Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 21 - 9 - 2020