Thuong Mai Va Ky Thuat Duy Sang LTD Address: No 15 Civil Group 17, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0102762952 Phone: 0247566629 Representative: Nguyen Duy Sang Adress: No 15 Civil Group 17, Nghia Do Ward, Cau Giay District, Ha Noi City Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 2 - 6 - 2008