Dau Tu Hoan Kiem Joint Stock Company Address: No 2a Pham Su Manh, Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0107065923 Phone: 02439448556 Representative: Nguyen Van Manh Adress: Zoom 808, Nha H, Den Lu 1, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi CityFounding date: 26 - 10 - 2015