Ngan Ha Bach Khoa LTD Address: No 223, Ha Huy Tap Street, Yen Vien Town, Gia Lam District, Ha Noi City Enterprise code: 0102051691 Phone: 0246981898 Representative: Nguyen Hoang Quan Adress: Civil Group 11, Thuong Thanh Ward, Long Bien District, Ha Noi City Yen Vien Town, Gia Lam District, Ha Noi CityFounding date: 19 - 10 - 2006