Dau Tu Phat Trien Cong Nghe Va TM Thanh Xuan LTD Address: No 7, Phan Huy Chu Street, Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101431348 Phone: 0249332657 Representative: Bui Thanh Thu Adress: No 84, Lot 70, Nguyen Dinh Chieu Street, Ward 4, District 3, Ho Chi Minh City Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi CityFounding date: 31 - 12 - 2003