Dai Truyen Thanh Ham Yen Address: Nhan Dan Tan Tien Civil Group, Tan Yen Town, Ham Yen District, Tuyen Quang Province Enterprise code: 5000305466 Phone: 02073843218 Adress: ND Tan Thinh Civil Group, Tan Yen Town, Ham Yen District, Tuyen Quang Province Tan Yen Town, Ham Yen District, Tuyen Quang ProvinceFounding date: 5 - 1 - 2009