Truong Mam Non 10 - 10 Address: Khu I, That Khe Town, Trang Dinh District, Lang Son Province Enterprise code: 4900265165 Phone: 0205883012 Representative: Nong Thi Bich That Khe Town, Trang Dinh District, Lang Son ProvinceFounding date: 28 - 12 - 2007