Hoang Son Joint Stock Company Address: Dong Thu Hamlet, Quang Son, Dong Hy District, Thai Nguyen Province Enterprise code: 4600376812 Phone: 02148823251 Representative: Hoang Van Tuat Adress: Dong Thu Hamlet, Xa, Quang Son Commune, Thai Nguyen City, Thai Nguyen Province Quang Son Commune, Dong Hy District, Thai Nguyen ProvinceFounding date: 13 - 9 - 2005