Xay Dung Khang Khai LTD Address: No 172 Hang Bong, Hang Bong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0108127474 Phone: 01255745288; 0865745288 Representative: Nguyen Mau Dung Hang Bong Ward, Hoan Kiem District, Ha Noi CityFounding date: 10 - 1 - 2018