Vien Nghien Cuu Co Khi Address: No 4, Pham Van Dong Street, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0105954148 Phone: 02438370556 Representative: Nguyen Chi Sang Adress: No 4, Pham Van Dong Street, Ha Noi City Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 26 - 7 - 2012