Thuong Mai Ky Thuat So LTD Address: No 20, Le Van Linh Street, Hang Ma Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101761836 Phone: 02438433896 Representative: Nguyen Anh Dung Adress: No 161, Thuy Khue Street, Thuy Khue Ward, Tay Ho District, Ha Noi City Hang Ma Ward, Hoan Kiem District, Ha Noi CityFounding date: 30 - 8 - 2005