Tu Van Thiet Ke Hoang Lien LTD Address: No 1061, Yen Ninh Street, 2a Civil Group, Minh Tan Ward, Yen Bai City, Yen Bai Province Enterprise code: 5200673298 Phone: 02162246555 Representative: Bui Doan Nhu Adress: No 02, Lane 989, Yen Ninh Street, Minh Tan Ward, Yen Bai City, Yen Bai Province Minh Tan Ward, Yen Bai City, Yen Bai ProvinceFounding date: 28 - 9 - 2011