Co Khi Xay Dung Va Thuong Mai Truong Son LTD Address: Tan Son, Hung Son, Hiep Hoa District, Bac Giang Province Enterprise code: 2400428611 Phone: 02043672524 Representative: Doan Van Bach Adress: Tan Son, Hung Son, Hiep Hoa District, Bac Giang Province Hung Son Commune, Hiep Hoa District, Bac Giang ProvinceFounding date: 13 - 2 - 2009