Ky Thuat Va Thuong Mai Ha Vinh Joint Stock Company Address: No 2F, Lane 52, Quan Nhan Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101391906 Phone: 0245565259 Representative: Nguyen Tien Vinh Adress: Thuong Cat Hamlet, Thuong Cat Commune, Tu Liem District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 15 - 8 - 2003