Phong Noi Vu Huyen Na Hang Address: To 3, Na Hang Town, Na Hang District, Tuyen Quang Province Enterprise code: 5000538277 Phone: 02073865749 Adress: Na Hang District, Tuyen Quang Province Na Hang Town, Na Hang District, Tuyen Quang ProvinceFounding date: 28 - 7 - 2009