Ket Cau Mien Bac Joint Stock Company Address: 4B Civil Group, Phuong, Co Street, Song Cong City, Thai Nguyen Province Enterprise code: 4600615281 Phone: 02083862124 Representative: Nguyen Manh Tien Adress: 4B Civil Group, Phuong, Co Street, Song Cong City, Thai Nguyen Province Pho Co Ward, Song Cong City, Thai Nguyen ProvinceFounding date: 25 - 5 - 2009