... , Stud weldingC: Polishing, Belt brushing, fine brushing, standing sponge brushing, dual shaft brushing,D: Spray-paint and powder coatedE:Compound Assembling and ... : Drawings: 3D, 2D, CAD, Photoshop, Adobe Illustrator etc. Die stamping, polishing metal, stainless steel,aluminum plates, push plates,push switches