Ban Phoi Hop Thuc Thi Du An Da Dang Hoa Thu Nhap Nong Thon Huyen Ham Yen Address: Tan Yen Town, Ham Yen District, Tuyen Quang Province Enterprise code: 5000307978 Phone: 02073843204 Tan Yen Town, Ham Yen District, Tuyen Quang ProvinceFounding date: 13 - 1 - 2009