Thuong Mai Ky Thuat Song Hong Joint Stock Company Address: No 32/251, Kim Ma Street, Kim Ma Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101356676 Phone: 0247223531 Representative: Nguyen Anh Ngoc Adress: No 93 Hang Buom, Phuuong Hang Buom, Hoan Kiem District, Ha Noi City Kim Ma Ward, Ba Dinh District, Ha Noi CityFounding date: 2 - 5 - 2003