Opp Viet Nam Joint Stock Company Address: No 06, Alley 46/1, Van Cao Street, Lieu Giai Ward, Ba Dinh District, Ha Noi City Enterprise code: 0106631358 Phone: 02466869990 Representative: Pham Van Du Adress: No 06, Alley 46/1, Van Cao Street, Lieu Giai Ward, Ba Dinh District, Ha Noi City Lieu Giai Ward, Ba Dinh District, Ha Noi CityFounding date: 5 - 9 - 2014