Cong Nghe HTH LTD Address: No 512 - B3, Tap The Nghia Do, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0101992657 Phone: 0247567848 Representative: Do Xuan Hieu Adress: No 512 - B3, Tap The Nghia Do, Nghia Do Ward, Cau Giay District, Ha Noi City Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 17 - 7 - 2006