Thuong Mai Va Dich Vu Lang Son LTD Address: 83 Khu Nam Quan, Dong Dang Town, Cao Loc District, Lang Son Province Enterprise code: 4900882464 Phone: 0964555599 Representative: Nguyen Van Tu Dong Dang Town, Cao Loc District, Lang Son ProvinceFounding date: 1 - 11 - 2021