our own factory ,ISO9001, Pvc corner bead ,metal corner bead, Expanded corner bead , Corner bead metal corner bead . We have the factory of wire ... ,and specifically designed to protect the outside corner. It can make the corner looks smoother and speed up the construction ... Length :45mm or 50mm Type :galvanized corner bead ,stainless steel corner bead ,aluminum corner bead ,pvc conrner bead and so on ...