Dieu Hoa Khong Khi Carrier Viet Nam- CN Ha Noi LTD Address: 16th Floor, Viet Building, No 1 Nguyen Thai Ha, Trung Liet Ward, Dong Da District, Ha Noi City Enterprise code: 0300687055-001 Phone: 0249314700 Adress: No 20, Alley 54, Lane 86, Chua Ha Street, Civil Group 29, Quan Hoa Ward, Cau Giay District, Ha Noi City Trung Liet Ward, Dong Da District, Ha Noi CityFounding date: 9 - 11 - 1998