Van Phong Huyen Uy Mu Cang Chai Address: Mu Cang Chai Town, Mu Cang Chai District, Yen Bai Province Enterprise code: 5200441138 Phone: 02163878168 Mu Cang Chai Town, Mu Cang Chai District, Yen Bai ProvinceFounding date: 8 - 7 - 2009