Chau Hau Address: Khu 3, That Khe Town, That Khe Town, Trang Dinh District, Lang Son Province Enterprise code: 4900282636 Phone: 0205883016 Representative: Dinh Thi Hau Adress: Khu 3, That Khe Town, Trang Dinh District, Lang Son Province That Khe Town, Trang Dinh District, Lang Son ProvinceFounding date: 12 - 9 - 2008