stamping parts material: carbon steel, alloy steel, spring steel, stainless steel coating:zinc plated, black oxide, HDG, stamping partsmaterial: carbon steel, alloy steel, spring steel, stainless steelcoating:zinc plated, black oxide, HDG,size: full size, according to client's drawing or sample.packing:regular packing is using 25kg carton and then in pallet. stamping parts