Thuong Mai Va Ky Thuat Dong Xuan LTD Address: No 150, Nguyen Van Linh Street, Civil Group 17, Thach Ban Ward, Long Bien District, Ha Noi City Enterprise code: 0102005462 Phone: 0246761181 Representative: Dong Van Xuan Adress: Ha Hamlet, Nghia Hoa Commune, Lang Giang District, Bac Giang Province Thach Ban Ward, Long Bien District, Ha Noi CityFounding date: 3 - 8 - 2006