Ban Di Dan Tai Dinh Cu Huyen Ham Yen (Don Vi Nop Ho) Address: Khu Tan Tien, Tan Yen Town, Ham Yen District, Tuyen Quang Province Enterprise code: 5000306050 Phone: 02073842377 Tan Yen Town, Ham Yen District, Tuyen Quang ProvinceFounding date: 7 - 1 - 2009