Perforated metals used as sieving plates:

Hole pattern can be rectangular, square, round, slot, hexagon, etc.

Usage: in metallurgy(material such as iron ore, limestone, fluorite, cold blast furnace slag, coke, etc.), non-ferrous, gold, coal, pulp, wood chips, chemical industry, building material, water and power projects, quarry for cleaning, sieving, classification, deslagging, desiltering, dehydrating the solids.