Vien Thong Viet Thang LTD Address: 71/B6 Hong Mai, Quynh Loi Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102185381 Phone: 0246272547 Representative: Phan Van Thang Adress: 71/B6 Hong Mai, Quynh Loi Ward, Hai Ba Trung District, Ha Noi City Quynh Loi Ward, Hai Ba Trung District, Ha Noi CityFounding date: 16 - 3 - 2007