Cong Nghe Cao Sao Xanh Joint Stock Company Address: No 97, Civil Group 4, Hoang Van Thu Ward, Thai Nguyen City, Thai Nguyen Province Enterprise code: 4600356816 Phone: 02148854614 Representative: Do Hung Adress: Civil Group 4, Hoang Van Thu Ward, Thai Nguyen City, Thai Nguyen Province Hoang Van Thu Ward, Thai Nguyen City, Thai Nguyen ProvinceFounding date: 25 - 6 - 2004