Thuong Mai Ky Thuat Bac A LTD Address: No 21, Alley 10, Lane 164, Hong Mai Street, Quynh Loi Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0106014267 Phone: 02436275912 Representative: Nguyen Anh Son Quynh Loi Ward, Hai Ba Trung District, Ha Noi CityFounding date: 17 - 10 - 2012