Thuong Mai Va Dich Vu Ky Thuat Gia An LTD Address: No 41+43, Hang Buom Street, Hang Buom Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0103653956 Phone: 02437154474 Representative: Nguyen Ky Anh Adress: No 21, Hang Ma Street, Hang Ma Ward, Hoan Kiem District, Ha Noi City Hang Buom Ward, Hoan Kiem District, Ha Noi CityFounding date: 31 - 3 - 2009