Hoang Son Address: Cau Reo Civil Group, Bai Bong Ward, Pho Yen Town, Thai Nguyen Province Enterprise code: 4600255991 Phone: 02083863480 Representative: Nguyen Danh Lam Adress: Cau Reo Civil Group, Bai Bong Ward, Pho Yen Town, Thai Nguyen Province Bai Bong Ward, Pho Yen City, Thai Nguyen ProvinceFounding date: 10 - 6 - 2004