Hai Yen LTD Address: 27, 4 Ngoc Ha Civil Group, Ngoc Ha Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101269046 Phone: 0249423353 Representative: Trinh Thi Hanh Adress: 19 To 61 Ngoc Ha Lane, Ngoc Ha Ward, Ba Dinh District, Ha Noi City Ngoc Ha Ward, Ba Dinh District, Ha Noi CityFounding date: 14 - 1 - 2009