Hop Tac Xa Hoan Kiem Address: No 70 Nguyen Khiet, Phuc Tan Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0100256816 Phone: 0248265370 Representative: Tran Cong Dung Adress: 17a, Lane 260, Thuy Khue Street, Tay Ho District, Ha Noi City Phuc Tan Ward, Hoan Kiem District, Ha Noi CityFounding date: 23 - 6 - 1998