Hop Tac Xa San Xuat Vat Lieu Xay Dung Quang Son Address: Dong Tam Hamlet, Quang Son Commune, Dong Hy District, Thai Nguyen Province Enterprise code: 4601606579 Phone: 0912775158 Representative: Pham Van Ha Quang Son Commune, Dong Hy District, Thai Nguyen ProvinceFounding date: 19 - 6 - 2023