... , 2. 1X20CM, flat 1X2M. 3.mining, medicine. Perforated mental mesh Material: low carbon steel, stainless steel plate, copper plate, nickel ... 1X20CM, flat 1X2M The preparation of: stamping made Perforated metal mesh use: mining, medicine, food selection, indoor sound insulation, silencers, ... Aluminum net use: aluminum net is widely used in filtering, manufacture of handicrafts, decoration, etc.