Dau Tu Bigsun Viet Nam Joint Stock Company Address: No 30a, Lane 477, Nguyen Trai Street, Thanh Xuan Nam Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0106609680 Phone: 0903511768 Representative: Duong Van Dan Adress: P505, Nha E1, Khu 7, 2 Ha, Vinh Phuc Ward, Ba Dinh District, Ha Noi City Thanh Xuan Nam Ward, Thanh Xuan District, Ha Noi CityFounding date: 29 - 7 - 2014