Hat Kiem Lam Thanh Pho Yen Bai Address: Civil Group 29, Nguyen Phuc Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200440409 Phone: 02163866385 Nguyen Phuc Ward, Yen Bai City, Yen Bai ProvinceFounding date: 6 - 7 - 2009