... 1.Material:Carbon Steel, Alloy Steel... 2.Thickness:0.1mm-10mm 3.Process:Welding,Welding,Assy Stamping RIng,Stamping Bracket,Stamping SheetWe ... . 1) Materials: Carbon steel, stainless steel, aluminum, brass and bronze alloy 2) High precision metal stamping 3) Press from 5MT to ... drawings are welcomed, contact to us for more information. Stamping Ring