Dau Tu Tan Kien Viet Joint Stock Company Address: No 040, Civil Group 4, Song Hien Ward, Cao Bang City, Cao Bang Province Enterprise code: 4800415963 Phone: 02063950866 Representative: Nong Thi Linh Adress: No 004, Civil Group 22, De Tham Ward, Cao Bang City, Cao Bang Province Song Hien Ward, Cao Bang City, Cao Bang ProvinceFounding date: 19 - 1 - 2010