Otv Viet Nam LTD Address: No 2, Alley 24, Lane 175, Xuan Thuy Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0106063715 Phone: 0912684934 Representative: Chu Cong Hai Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 19 - 12 - 2012