Chi Nhanh Cong Ty TNHH Dich Vu Ky Thuat Thuong Mai Dan Xuan Address: No 43, Do Ngoc Du Street, Dong Nhan Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0302242252-001 Phone: 02839381206 Dong Nhan Ward, Hai Ba Trung District, Ha Noi CityFounding date: 26 - 7 - 2001