Sheet metal stamping 1.Material:Aluminium 2.Technique:stamping 3.Finish:oxidation,sand blasting ... die,grinding,riveting,etc.2.Material: stainless steel, brass, copper, aluminum, iron(SGCC,SPCC,SECC),etc.3.Surface treatment ... hardware, electronic hardware,industry control equipment,metal processing machinery parts,communication equipment,security equipment,medical equipment,etc.7.With high quality, ...