Tu Van Xay Dung Tan Manh Dung Joint Stock Company Address: No 68, Civil Group 2, Quarter 3, Mau A Town, Van Yen District, Yen Bai Province Enterprise code: 5200805882 Phone: 0969232868 Representative: Nguyen Tien Dung Adress: Civil Group 5, Minh Tan Ward, Yen Bai City, Yen Bai Province Mau A Town, Van Yen District, Yen Bai ProvinceFounding date: 15 - 1 - 2014