Thuong Mai Va San Xuat Caco3 Quang Son LTD Address: Tan Lac Hamlet, Quang Son Commune, Dong Hy District, Thai Nguyen Province Enterprise code: 4601518058 Phone: 0913208397 Representative: Vu Van Bien Quang Son Commune, Dong Hy District, Thai Nguyen ProvinceFounding date: 1 - 6 - 2018