Dai Truyen Thanh Truyen Hinh Huyen Bac Yen Address: Tieu Khu Iii, Bac Yen Town, Bac Yen District, Son La Province Enterprise code: 5500261129 Phone: 0212860168 Representative: Nguyen Dang Dung Bac Yen Town, Bac Yen District, Son La ProvinceFounding date: 14 - 3 - 2006