OEM stamping part: 1)Material:steel,stainless steel,brass 2)Surface: Zinc,powder coat 3)Software for drawings: Auto CAD etc OEM stamping partsWe ... Metal material, aluminum, alloy steel etc.2).Process means, Metal stamping, Precision CNC machining, die casting, turning etc. 3).surface treatment ... products, please feel free to email me. Thank you . OEM stamping part