Doi Quan Ly Thi Truong So 9 Address: Civil Group 7, Mu Cang Chai Town, Mu Cang Chai Town, Mu Cang Chai District, Yen Bai Province Enterprise code: 5200420240 Phone: 02163878338 Mu Cang Chai Town, Mu Cang Chai District, Yen Bai ProvinceFounding date: 18 - 6 - 2009