Son Ha Address: Hamlet 13, Ha Thuong Commune, Dai Tu District, Thai Nguyen Province Enterprise code: 4600401385 Phone: 0208725234; 0986934612 Representative: Ha Van Son Adress: Hamlet 13, Ha Thuong Commune, Dai Tu District, Thai Nguyen Province Ha Thuong Commune, Dai Tu District, Thai Nguyen ProvinceFounding date: 4 - 1 - 2007