Truong Pho Thong Dan Toc Noi Tru Van Yen Address: Quarter 3, Mau A Town, Van Yen District, Yen Bai Province Enterprise code: 5200450485 Phone: 02163834041 Representative: Nguyen Van Khuong Adress: Quarter 3, Mau A Town, Van Yen District, Yen Bai Province Mau A Town, Van Yen District, Yen Bai ProvinceFounding date: 5 - 8 - 2009