Ky Nghe Cong Trinh Be Boi Va Thuong Mai, Dich Vu Joint Stock Company Address: No 12, 85 To 1 Lane, Trung Kinh Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101324829 Phone: 0247841891 Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 16 - 1 - 2003