Van Phong Dang Ky Quyen Su Dung Dat Huyen Son Duong Address: An Ky Civil Group, Son Duong Town, Son Duong District, Tuyen Quang Province Enterprise code: 5000729539 Phone: 02073836699 Adress: Son Duong District, Tuyen Quang Province Son Duong Town, Son Duong District, Tuyen Quang ProvinceFounding date: 22 - 3 - 2012