Dien - Dien Tu 3C LTD Address: 18 Nguyen Phong SAC (Keo Dai), Cau Giay District, Ha Noi City Enterprise code: 0104489628 Phone: 02437689145 Representative: Tran Huu Viet Adress: 18 Nguyen Phong SAC (Keo Dai), Dich Vong, Cau Giay District, Ha Noi City Cau Giay District, Ha Noi CityFounding date: 11 - 2 - 2010