Ha Duy Address: Khu Thong Nhat Ii, Dong Mo Town, Chi Lang District, Lang Son Province Enterprise code: 4900318000 Phone: 0982981555 Representative: Hoang Thi Nhinh Adress: Khu Thong Nhat Ii, Dong Mo Town, Chi Lang District, Lang Son Province Dong Mo Town, Chi Lang District, Lang Son ProvinceFounding date: 28 - 4 - 2009