Tram Cap Nuoc Sinh Hoat Huyen Trang Dinh Address: Khu Iii, That Khe Town, Trang Dinh District, Lang Son Province Enterprise code: 4900403390 Phone: 02053883740 Adress: Trang Dinh District, Lang Son Province That Khe Town, Trang Dinh District, Lang Son ProvinceFounding date: 6 - 10 - 2009