Khai Khoang Ha Noi Joint Stock Company Address: No 18, Thai Ha Street, Trung Liet Ward, Dong Da District, Ha Noi City Enterprise code: 0101509668 Phone: 0248572896 Representative: Hoang Kim Duong Adress: No 53, Phan Boi Chau Street, Cua Nam Ward, Hoan Kiem District, Ha Noi City Trung Liet Ward, Dong Da District, Ha Noi CityFounding date: 21 - 7 - 2004