... ss 304 304L,316,316L,310s, Aluminum,copper,carbon steel,Galvanized.Opening Pattern:Rectangle, square, round, triangular, blossom, ... other special patterns according to customer needs.Application:Perforated metal mainly used in the building trade for architectural ... ventilation,sorting tables, acoustic panels and anti slip flooring.Expanded metal sheet, perforated mesh,etched mesh,punch mesh.Any shape ...