Thuong Mai Ky Thuat Dien Va Xay Dung Ha Noi LTD Address: No 66/41, Vong Street, Dong Tam Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101622695 Phone: 0246281227 Representative: Hoang Huu Tuyen Adress: Ngoi Hamlet, My Bang Commune, Yen Son District, Tuyen Quang Province Dong Tam Ward, Hai Ba Trung District, Ha Noi CityFounding date: 25 - 3 - 2005