Phong Tu Phap Huyen Mu Cang Chai Address: Civil Group 4, Mu Cang Chai Town, Mu Cang Chai District, Yen Bai Province Enterprise code: 5200441434 Phone: 02163878547 Mu Cang Chai Town, Mu Cang Chai District, Yen Bai ProvinceFounding date: 8 - 7 - 2009