Etching process of microporous mesh can also be produced by metal materials of different materials such as stainless steel, copper, and aluminum plate. Star hole, hexagonal hole, cross hole, plum blossom hole, diamond hole, etc.

Stainless steel ring mesh is made by etching holes on the surface of stainless steel, and then forming the mesh into a ring through a rolling and welding process. It can be used as a protective net for the casing of electronic equipment, and can also be used as an air outlet and air inlet net for various motors.