Thuong Mai Va Dich Vu O To Ngoc Khanh LTD Address: No 15, Lane 99, Nguyen Khang Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101306756 Phone: 0247260342 Representative: Duong Thu Giang Adress: No 138, Ton Duc Thang Street, Quoc Tu Giam Ward, Dong Da District, Ha Noi City Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 26 - 11 - 2002