OEM, die stamping, die casting,chemical etching stainless steel, aluminum parts, alloy are accepted. 1: OEM with 11 years experience ... ElectroLux), Barnett in USA (for hunting), TWO in Germany (for Locking system), Ford,GE (for car) etc.6: Drawings: 3D, 2D ... , Photoshop, Adobe Illustrator etc. Die stamping, polishing metal, stainless steel,aluminum plates, push plates,push switches