Cong Nghe Hoang Thanh LTD Address: No 12a, Ly Nam De Street, Hang Ma Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101251401 Phone: 0247339399 Representative: Nguyen Vu Thanh Adress: 312 - B7 Khu Tap The Tan Mai, Tan Mai Ward, Hai Ba Trung District, Ha Noi City Hang Ma Ward, Hoan Kiem District, Ha Noi CityFounding date: 14 - 6 - 2002