Cong Nghe Va Dau Tu Hoan Cau Joint Stock Company Address: No 6, 26 Yen Lac Lane, Vinh Tuy Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101356965 Phone: 0246363651 Vinh Tuy Ward, Hai Ba Trung District, Ha Noi CityFounding date: 2 - 5 - 2003