Hop Tac Xa Quan Ly Va Khai Thac Cho Tan Son Address: Cho Street, Tan Son Commune, Luc Ngan District, Bac Giang Province Enterprise code: 2400741454 Phone: 01686417477; 0386417477 Representative: Hoang Van Deo Tan Son Commune, Luc Ngan District, Bac Giang ProvinceFounding date: 17 - 9 - 2014