Lien Doan Lao Dong Huyen Tram Tau Address: Khu 3, Tram Tau Town, Tram Tau District, Yen Bai Province Enterprise code: 5200378849 Phone: 02163876206 Representative: Tran Thi Nga Tram Tau Town, Tram Tau District, Yen Bai ProvinceFounding date: 21 - 5 - 2009