Thanh Tra Huyen Address: Civil Group 4, Mu Cang Chai Town, Mu Cang Chai Town, Mu Cang Chai District, Yen Bai Province Enterprise code: 5200441297 Phone: 02163878196 Adress: Civil Group 8, Mu Cang Chai Town, Mu Cang Chai District, Yen Bai Province Mu Cang Chai Town, Mu Cang Chai District, Yen Bai ProvinceFounding date: 8 - 7 - 2009