Cong Nghe Va Thuong Mai Ha Son LTD Address: No 1, Lane 172, Thai Thinh Street, Trung Liet Ward, Dong Da District, Ha Noi City Enterprise code: 0101451760 Phone: 0247853839; 0247853883 Representative: Nguyen Tai Son Trung Liet Ward, Dong Da District, Ha Noi CityFounding date: 11 - 3 - 2004