F4u Group Joint Stock Company Address: No 181, Tran Dai Nghia Street, Bach Khoa Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0107859919 Phone: 01684857883; 0384857883 Representative: Trinh Thi Thuy Adress: No 3 Huu Le, Huu Hoa Commune, Thanh Tri District, Ha Noi City Bach Khoa Ward, Hai Ba Trung District, Ha Noi CityFounding date: 25 - 5 - 2017