Dau Tu Khoang San & Thuong Mai Yen Bai Joint Stock Company Address: Civil Group 53, 225, Quang Trung Street, Minh Tan Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200548970 Phone: 0983860186 Representative: Hoang The An Adress: P110, H9 Thanh Xuan Nam, Thanh Xuan District, Ha Noi City Minh Tan Ward, Yen Bai City, Yen Bai ProvinceFounding date: 3 - 6 - 2010