Phong Thong Ke Huyen Tram Tau Address: Khu 3, Tram Tau Town, Tram Tau District, Yen Bai Province Enterprise code: 5200380284 Phone: 02163876170 Tram Tau Town, Tram Tau District, Yen Bai ProvinceFounding date: 21 - 5 - 2009