Ky Thuat Va Tu Dong Hoa SD Joint Stock Company Address: Dai Kim Civil Group, Van Xuan Ward, Tinh Thai Nguyen, Viet Nam Enterprise code: 4601672532 Phone: 0357278895 Representative: Nguyen Van Son Van Xuan Ward, Pho Yen City, Thai Nguyen ProvinceFounding date: 31 - 7 - 2026