Tu Van Chat Luong Va Phat Trien Cong Nghe LTD Address: No 81/2, Lac Long Quan Street, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0101437445 Phone: 0247762959 Representative: Nguyen Duy Hien Adress: Hamlet 4, Giap Tu Hamlet, Thinh Liet Ward, Hoang Mai District, Ha Noi City Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 29 - 1 - 2004