Tu Van Thiet Ke Va Xay Dung 506 Joint Stock Company Address: Nha Ong Tung, Yen Vinh Hamlet, Hung Dong Commune, Vinh City, Nghe An Province Enterprise code: 2900855555 Phone: 02383530262 Representative: Nguyen Quang Tung Adress: Yen Vinh Hamlet, Hung Dong Commune, Vinh City, Nghe An Province Hung Dong Commune, Vinh City, Nghe An ProvinceFounding date: 25 - 12 - 2007