... stamping product1. Over 12 years exerience in metal stamping parts2.Facility:Stamping machines,automatic stamping machine,punching machines,Oil Hydraulic pressing ... stamping, bending, punching, threading,welding, tapping, rivetingMaterialAluminum, copper, brass, stainless steel, steel, iron, alloy, zinc etc.FinishPolishing; Anodize; SandingPowder coating; Vacuum Plating ...