Ban QL Thi Cong Va Khai Thac CT Cap Nuoc Sach TT Son Duong Address: An Ky Civil Group, Son Duong Town, Son Duong District, Tuyen Quang Province Enterprise code: 5000219418 Phone: 0207835608 Son Duong Town, Son Duong District, Tuyen Quang ProvinceFounding date: 4 - 10 - 2002