Tin Hoc Thanh Do Joint Stock Company Address: 1st Floor Trung Tam Thuong Mai Thanh Ngoc, Moi Street, Dong Ngan Ward, Tu Son Town, Bac Ninh Province Enterprise code: 2300334293 Phone: 02223745163 Representative: Tran Thi Luong Adress: Dinh Ca Hamlet, Noi Due Commune, Tien Du District, Bac Ninh Province Dong Ngan Ward, Tu Son City, Bac Ninh ProvinceFounding date: 7 - 6 - 2008