our own factory ,ISO9001, Pvc corner bead ,metal corner bead, Expanded corner bead , Corner bead metal corner bead . We have the factory of ... can base on the customers requrement. Metal corner bead is a new building material ,and specifically designed ... 50mm Type :galvanized corner bead ,stainless steel corner bead ,aluminum corner bead ,pvc conrner bead and so on Use: corner bead may form straight ...