Ho Tro Ung Dung Cong Nghe C&A LTD Address: 37, Lang Street, Nga Tu So Ward, Dong Da District, Ha Noi City Enterprise code: 0101111274 Phone: 0249433416 Representative: Do Thi Thanh Hien Adress: 14 Trieu Viet Vuong, Hai Ba Trung District, Ha Noi City Nga Tu So Ward, Dong Da District, Ha Noi CityFounding date: 16 - 4 - 2001