Dong Bac LTD Address: Civil Group 1, Yenthinh Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200320648 Phone: 02163855255 Representative: Tran Tuan Bao Adress: Civil Group 33, Dong Tam Ward, Yen Bai City, Yen Bai Province Yen Thinh Ward, Yen Bai City, Yen Bai ProvinceFounding date: 12 - 2 - 2009