... cork surface Product description of blackboard #B6072Bblackboard, green chalk board, white board, cork board, message board, ... About us:Le Nan starts producing writing boards since early 1990s.With all these years ... flipchart board, office whiteboards, office pin boards, school chalk board, as well as children learning ... Africa. During 2011, 70% of export office boards were sold to France, Germany and U. ...