Khai Khoang Quang Son LTD Address: Song Cau 3 Hamlet, Hoa Thuong Commune, Dong Hy District, Thai Nguyen Province Enterprise code: 4601511239 Phone: 02083521286 Representative: Nguyen Van Tien Hoa Thuong Commune, Dong Hy District, Thai Nguyen ProvinceFounding date: 6 - 4 - 2018