Dich Vu Vien Thong Hoang Nguyen LTD Address: No 6, Lane 18/17, Civil Group 6, Ngoc Tri Street, Thach Ban Ward, Long Bien District, Ha Noi City Enterprise code: 0105885416 Phone: 02422185555 Representative: Nguyen Dinh Tien Adress: Civil Group 10, Thach Ban Ward, Long Bien District, Ha Noi City Thach Ban Ward, Long Bien District, Ha Noi CityFounding date: 11 - 5 - 2012