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, nicked plate and various of nonmetal plate.
Characteristic: the surface is smooth, lubricity, beautiful, the usage is
extensive.
Uses: widly used in mine, medicine, sieving grain, noise elimination,
machine-protecting and decoratiion etc.

