Phong Giao Duc & Dao Tao Huyen Cao Loc Address: Cao Loc Town, Cao Loc District, Lang Son Province Enterprise code: 4900403457 Phone: 02053861480 Adress: Cao Loc District, Lang Son Province Cao Loc Town, Cao Loc District, Lang Son ProvinceFounding date: 6 - 10 - 2009