Van Phong Dai Dien Cong Ty Trach Nhiem Huu Han Mot Thanh Vien Duong Vu Anh Tai Huyen Ham Yen Address: Nhan Dan Tan Trung Civil Group, Tan Yen Town, Ham Yen District, Tuyen Quang Province Enterprise code: 2600833945-001 Phone: 01654183955; 0354183955 Representative: Nguyen Thi Thanh Loan Adress: Nam Nhac Hamlet, Cao Xa Commune, Lam Thao District, Phu Tho Province Tan Yen Town, Ham Yen District, Tuyen Quang ProvinceFounding date: 2 - 10 - 2012