Hat Kiem Lam Huyen Mu Cang Chai Address: Civil Group 4, Mu Cang Chai Town, Mu Cang Chai District, Yen Bai Province Enterprise code: 5200447901 Phone: 02163878124 Mu Cang Chai Town, Mu Cang Chai District, Yen Bai ProvinceFounding date: 23 - 7 - 2009