1.Material: stainless steel,carbon steel al,brass 2.process:stamping 3.bright and smooth,good precision More feature and specifications: ... all parts according to your drawings or sample.2.Materials: iron,stainless steel,copper, aluminium and all other metal.3.Packing ... all parts according to your drawings or sample.2.Materials: iron,stainless steel,copper, aluminium and all other metal.3.Packing ...