Phong Giao Dich NH Chinh Sach XH Huyen Bac Yen Address: Bac Yen Town, Bac Yen District, Son La Province Enterprise code: 5500372421 Phone: 02123860441 Bac Yen Town, Bac Yen District, Son La ProvinceFounding date: 29 - 6 - 2009