Hoa Chat Son Thang Long LTD Address: No 9, 1/176 Hoang Quoc Viet Lane, Nghia Do Ward, Cau Giay District, Ha Noi City Enterprise code: 0101229156 Phone: 02437560285 Representative: Nguyen Cao Lang Nghia Do Ward, Cau Giay District, Ha Noi CityFounding date: 17 - 4 - 2002