Dau Tu Khoang San Tien Son Joint Stock Company Address: NR Nguyen Tien Que, Ba La Quarter, Dinh Bang Ward, Tu Son Town, Bac Ninh Province Enterprise code: 2300971711 Phone: 0965546588 Representative: Tran Thi Hong Nhung Dinh Bang Ward, Tu Son City, Bac Ninh ProvinceFounding date: 6 - 1 - 2017