Ho Tro Cong Nghe Cao LTD Address: No 58 Hoang Hoa Tham, Thuy Khue Ward, Tay Ho District, Ha Noi City Enterprise code: 0101400910 Phone: 0248231323 Representative: Nguyen Khanh Lan Adress: No 58 Hoang Hoa Tham, Thuy Khue Ward, Tay Ho District, Ha Noi City Thuy Khue Ward, Tay Ho District, Ha Noi CityFounding date: 15 - 9 - 2003