Hop Tac Xa Dich Vu Dien Xa Lien Son Address: Chung 1, Lien Son Commune, Lien Son Commune, Tan Yen District, Bac Giang Province Enterprise code: 2400490553 Phone: 02043631125 Representative: Nguyen Trong Khoa Lien Son Commune, Tan Yen District, Bac Giang ProvinceFounding date: 13 - 11 - 2009