Doan Thanh Nien CS HCM Huyen Trang Dinh Address: Lane 15, Hoang Van Thu Street, That Khe Town, Trang Dinh District, Lang Son Province Enterprise code: 4900782692 Phone: 02053883224 Representative: Be Thi Thuy Adress: Khu I, That Khe Town, Trang Dinh District, Lang Son Province That Khe Town, Trang Dinh District, Lang Son ProvinceFounding date: 28 - 5 - 2015