Chi Cuc Thi Hanh An Huyen Son Duong Address: Tan Bac Civil Group, Son Duong Town, Son Duong District, Tuyen Quang Province Enterprise code: 5000227948 Phone: 02073835262 Son Duong Town, Son Duong District, Tuyen Quang ProvinceFounding date: 8 - 1 - 2005