... metal part. 1. Material: Carbon steel; Stainless steel, aluminum alloy; Brass alloy; Tinplate, copper; Stannum bronze; Silicon bronze; Zinc alloy; Gray iron; Ductile ... . Surface treatment: Polishing, zinc plating, nickel plating, chrome plating, powder coating, e-coating, dip coating, phosphate coating, anodize, PVC ... . Welcome to China, welcome to suzhou baida! stainless steel stamping part with CE