Dau Tu Son Ha Joint Stock Company Address: No 34 Hang Chao, Cat Linh Ward, Cat Linh Ward, Dong Da District, Ha Noi City Enterprise code: 0101206631 Phone: 0247332906 Representative: Nguyen Van Thu Adress: 30 22 Cum 4 Civil Group, Tay Ho District, Ha Noi City Cat Linh Ward, Dong Da District, Ha Noi CityFounding date: 4 - 2 - 2002