Cong Nghe Mang Au Lac LTD Address: No 151, Dong Cac Street, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0101108264 Phone: 02435119880 Representative: Pham Van Du O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 10 - 4 - 2001