Ban Quan Ly Dich Vu Xa Hoi Hoa Y Te Address: Y Te Town, Huyen Bac Son, Tieu Khu Nguyen Thi Minh Khai, Bac Son Town, Bac Son District, Lang Son Province Enterprise code: 4900270253-001 Phone: 02053837230 Representative: Sam Thi Huong Adress: Tieu Khu Tran Phu, Bac Son Town, Bac Son District, Lang Son Province Bac Son Town, Bac Son District, Lang Son ProvinceFounding date: 9 - 3 - 2010