... .6-2m >Escalator,Channel Black Standard diamond expanded metal sheet Factory ! Expanded metal sheet , As the name suggests means: through special machinery ... (metal mesh punching machine) is processed to form a sheet material condition for the mesh object.1. Material: Low- ... , stainless steel, aluminum, copper, nickel plate, AL-Mg alloy sheet metal panels. 2. Surface Treatment: Spray, PVC coated, hot ...