Emerald LTD Address: No 108/D5 Hoang Cau, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0102731425 Phone: 0245112655; 0245377458 Representative: Tran Thanh Quang Adress: A27 To 62 B Hao Nam, Dong Da District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 28 - 4 - 2008