Buu Dien Huyen Na Hang Address: Civil Group 3, Na Hang Town, Tuyen Quang Province Enterprise code: 5000136433-003 Phone: 02073816585 Na Hang Town, Na Hang District, Tuyen Quang ProvinceFounding date: 29 - 12 - 1999
Buu Dien Huyen Ham Yen Address: Khu Tan Thinh, Tan Yen, Ham Yen District, Tuyen Quang Province Enterprise code: 5000136433-001 Phone: 02073816585 Tan Yen Town, Ham Yen District, Tuyen Quang ProvinceFounding date: 4 - 2 - 1999