Dau Tu Xay Dung Va Thuong Mai Hoang Hai Joint Stock Company Address: Hoang Thanh Civil Group, Dong Tien Commune, Pho Yen Town, Thai Nguyen Province Enterprise code: 4600820234 Phone: 02083563860 Representative: Nguyen Manh Hai Adress: Hoang Thanh Civil Group, Dong Tien Commune, Pho Yen Town, Thai Nguyen Province Dong Tien Ward, Pho Yen City, Thai Nguyen ProvinceFounding date: 22 - 4 - 2010