Tu Van Khoa Hoc & Cong Nghe Xay Dung Joint Stock Company Address: No 21, Yen Thanh Street, Civil Group 6, Khu 1, Yen Thanh Ward, Uong Bi City, Quang Ninh Province Enterprise code: 5700546072 Phone: 02033567796 Representative: Dao Van Can Adress: Civil Group 8, Khu Nam Son, Nam Khe Ward, Uong Bi City, Quang Ninh Province Yen Thanh Ward, Uong Bi City, Quang Ninh ProvinceFounding date: 18 - 5 - 2005