Dien Vien Thong Viet Nam LTD Address: No 51, Lane 433, Kim Nguu Street, Vinh Tuy Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0107789066 Phone: 0888119077 Representative: Nguyen Toan Vinh Tuy Ward, Hai Ba Trung District, Ha Noi CityFounding date: 3 - 4 - 2017