materials: stainless steel sheet, thin low carbon steel sheet, al-mg alloy plate, copper plate. varieties: according to materials, it can be divided into aluminum, small steel plate mesh, steel plate mesh, stainless steel plate. according to the shape of the hole, it can be divided into diamond, square, round, triangle, scale hole. features: economical, durable, one-piece construction, low wind resistance, easy cutting and shearing, excellent weight-to-strength ratio, ventilation properties, available in many styles and materials, screen and guarding properties uses: widely used in industry, building, household such as fencing, drying racks, gratings, flooring, screens, and window guards