In virtue of etching procedure, the speaker mesh produced by Ascend presents tiny apertures over 0.15mm. In accordance with delicate stamping technique before processing, various flat and three-D structure of speaker is provided to support development of different cell phone. The customer requirement is satisfied by designing the structure and fixedness of various metal speaker mesh and cooperating with surface processing procedures, comprising plating, lacquering, laser marking, full etching, half etching, hair-line treating, sand blasting, buffing.