Dau Tu Khang Tuan Joint Stock Company Address: No 2/27 Ta Quang Buu, Bach Khoa Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101512029 Phone: 0246366589 Representative: Le Tuan Loc Adress: No 58/2, Tam Bac Street, Phan Boi Chau Ward, Hong Bang District, Hai Phong City Bach Khoa Ward, Hai Ba Trung District, Ha Noi CityFounding date: 27 - 7 - 2004