Hop Tac Xa Lien Son Address: Nha Ong Nguyen Danh Du, Lung Son, Lim Town, Huyen Tien Du, Tien Du District, Bac Ninh Province Enterprise code: 2300179376 Phone: 02122838121 Adress: No 105, 2 Giang Vo Lane, Giang Vo Ward, Quan Ba Dinh, Ha Noi, Dong Da District, Ha Noi City Lim Town, Tien Du District, Bac Ninh ProvinceFounding date: 16 - 4 - 1999