Tin Hoc Van Thanh Joint Stock Company Address: No 67 Mac Thi Buoi, Vinh Tuy Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101899880 Phone: 0249876350 Representative: Tran Sy Dung Adress: Tap The Cong Ty Nong San I, Vinh Tuy Ward, Hai Ba Trung District, Ha Noi City Vinh Tuy Ward, Hai Ba Trung District, Ha Noi CityFounding date: 28 - 3 - 2006