... Technique:Perforated Filter Rating:70% Thickness:0.2--10mm Punching hole meshMaterial: stainless steel plate, low carbon steel plate, iron ... nickel plate and kinds of nonmetal plates. Hole Shapes: round, length, square, scale hole, hexagonal hole, plum blossom and so on.Processing: ... from 0.3mm-8mm. It has largest selection of hole size patterns and configurations. It also has other advantages ...