Perforated metal sheet 1) Materials: Hot-rolled and cold-rolled carbon steel sheets, galvanized ... , aluminum, aluminum-plastic, copper, nickel, titanium, PVC and other sheet materials. 2) Opening: Round, oval, square, rectangular, rhombus, hexagon, scale shape and ... , leveling, cutting, bending, reeling, welding, shaping and surface treatment. 4) Hole Size: 0.1MM-100MM 5) Thickness: 0.1MM-8.0MM ...