Kinh Doanh O To Va Thiet Bi Vien Thong LTD Address: 66, 651 Minh Khai Lane, Thanh Luong Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101251507 Phone: 0249873265 Thanh Luong Ward, Hai Ba Trung District, Ha Noi CityFounding date: 14 - 6 - 2002