Cong Nghe Va Thuong Mai Hong Do Joint Stock Company Address: No 4, Lane 145, Nguyen Van Cu Street, Ngoc Lam Ward, Long Bien District, Ha Noi City Enterprise code: 0102304455 Phone: 02436555088 Representative: Do Manh Dung Ngoc Lam Ward, Long Bien District, Ha Noi CityFounding date: 2 - 7 - 2007