Dau Tu Va Dich Vu Nha Xanh Joint Stock Company Address: Civil Group 2, Hoang Van Thu Ward, Thai Nguyen City, Thai Nguyen Province Enterprise code: 4601506711 Phone: 01688817456; 0388817456 Representative: Do Duy Phu Hoang Van Thu Ward, Thai Nguyen City, Thai Nguyen ProvinceFounding date: 9 - 3 - 2018