... partition and steel ceiling . Faced with plasterboard for decoration.thickness:0.2-1.8mm light steel keel,Export France, South America, ... Europe1,Size 38*38mm,40*35mm,50x35mm, 50x50mm, 75x35mm, 75x50mm,70x35mm, 100x50mm,2,lenght 2000- ... each package. used in wall partition and steel ceiling . Faced with plasterboard for decoration lEurope, South America light steel keel