Tin Hoc Tuan Thanh LTD Address: No 5, Lot 12B KDTM Trung Yen, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101107422 Phone: 02437366768 Representative: Dao Thi Thuong Adress: 189 Tay Son P.Quang Trung, Dong Da District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 5 - 4 - 2001