Dau Tu Xay Dung Va Thuong Mai Dai An Joint Stock Company Address: No 219, Quarter 3, Co Phuc Town, Tran Yen District, Yen Bai Province Enterprise code: 5200277512 Phone: 02163862827 Representative: Nguyen Huu Lac Adress: Civil Group 22, Hong Ha Ward, Yen Bai City, Yen Bai Province Co Phuc Town, Tran Yen District, Yen Bai ProvinceFounding date: 16 - 8 - 2007