Expanded And Aluminum Wire Mesh Material: Superior steel material Processing: Expanded with steel or other metals Features: Durable, strong and beautiful. Application: Expanded metal is mainly used in microphone, filter elements, construction, bridge, platform and fencing or guarding materials for machinery Aluminum Expanded Metal: Variety of aluminum expanded metal: Micron type, standard or heavy type. Opening: Diamond, tortures, flattened type or special openings. Application: Expanded metal we offer enjoys firm opening and long service life. They are used in filter elements, medicine, paper-making, filtration, battery netting, guarding of machinery, making of handicrafts, microphone covering or used as replacement material of window screening.