Ky Thuat O To Viet Joint Stock Company Address: No 26, Alley 121, 14B Civil Group, Thai Thinh Lane, Thinh Quang Ward, Dong Da District, Ha Noi City Enterprise code: 0103415133 Phone: 02439912992 Representative: Nguyen Dang Hung Adress: Zoom 609, 187, Giang Vo Street, Cat Linh Ward, Dong Da District, Ha Noi City Thinh Quang Ward, Dong Da District, Ha Noi CityFounding date: 3 - 3 - 2009