Khoa Hoc Ky Thuat Hoang Ha LTD Address: No 46, Lane 24, Kim Dong Street, Giap Bat Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101931090 Phone: 02466751342 Representative: Vu Ngoc Truong Adress: No 389, Bach Mai Street, Bach Mai Ward, Hai Ba Trung District, Ha Noi City Giap Bat Ward, Hoang Mai District, Ha Noi CityFounding date: 4 - 5 - 2006