Name of products: perforated plate mesh.
　　Byname: sieving plate, the hole has round, length, square, scale hole, hexagonal hole.
　　Material: low carbon steel plate, stainless steel plate, brass plate, Aluminum plate, nickel plate and various of nonmetal plate.
　　Characteristics: the surface is smooth, beautiful, the usage is extensive.
　　Uses: used in mine, medicine, sieving grain, noise elimination, machine-protecting and decoration etc.