Cong Nghe Hoang Duc LTD Address: No 12, Lane 464, Au Co Street, Nhat Tan Ward, Tay Ho District, Ha Noi City Enterprise code: 0104104282 Phone: 02437188119 Representative: Hoang Thi Lan Adress: No 15, Hang Bong, Hang Gai Ward, Hoan Kiem District, Ha Noi City Nhat Tan Ward, Tay Ho District, Ha Noi CityFounding date: 14 - 8 - 2009