Ban Quan Ly Di Tich Con Son - Kiep Bac Address: Tien Son Hamlet, Cong Hoa Ward, Chi Linh Town, Hai Duong Province Enterprise code: 0800731288 Phone: 02203882400 Cong Hoa Ward, Chi Linh City, Hai Duong ProvinceFounding date: 15 - 7 - 2009