Xay Lap Va Dich Vu Vien Thong Viet Nam LTD Address: No 234, Civil Group 38, Hoang Mai Street, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0105778654 Phone: 02466554428 Representative: Nguyen Thi Linh Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 18 - 1 - 2012