Tu Van Dau Tu Va Hop Tac Giao Duc Quoc Te Oki Joint Stock Company Address: 6th Floor, Az Lam Vien Building, 107 Nguyen Phong Sac, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0110931788 Phone: 0961999460 Representative: Le Van Kiem Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 9 - 1 - 2025