... 3.different spec earphone mesh :stamping and etching process ,low cost ,different spec and design as required by yousheet metal components ... MaterialStainless steel, copper, silicon steel plate, aluminum, nickel, magnetic material and so on.Product thickness 0.03mm—1.5mmProduct size 1 ... provide imported stainless steel thin belts with many kinds of models such as 301,304,430.If you have any interest ...