Phong Tai Nguyen Va Moi Truong Huyen Na Hang Address: Civil Group 3, Na Hang Town, Na Hang District, Tuyen Quang Province Enterprise code: 5000316115 Phone: 02073865260 Adress: Na Hang District, Tuyen Quang Province Na Hang Town, Na Hang District, Tuyen Quang ProvinceFounding date: 5 - 2 - 2009