Tu Van Va Dao Tao Ocean LTD Address: No 166 44a Civil Group, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0109842491 Phone: 0972411886 Representative: Hoang Thi Thanh Thuy Khuong Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 3 - 12 - 2021