Ha Son Joint Stock Company Address: No 30, Lane 201, Cau Giay Street, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0101373907 Phone: 0247672905 Representative: Ha Ngoc Hai Adress: Vuc Hamlet, Thanh Liet Commune, Thanh Tri District, Ha Noi City Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 13 - 6 - 2003