OEM, die stamping,bending,die casting,chemical etching stainless steel, aluminum parts, alloy ... . 1: OEM with 11 years experience works in metal die stamping, die casting,and chemical etching products process. 2:Cutting and ... .6: Drawings: 3D, 2D, CAD, Photoshop, Adobe Illustrator etc. Die stamping, polishing metal, stainless steel,aluminum plates, push plates,push switches