An Sinh Xa Hoi Viet Bac Joint Stock Company Address: Civil Group 5, Gia Sang Ward, Tinh Thai Nguyen, Viet Nam Enterprise code: 4601670655 Phone: 0912500773 Representative: Nguyen Thi Hien Gia Sang Ward, Thai Nguyen City, Thai Nguyen ProvinceFounding date: 3 - 7 - 2026