... customer specified. 3. Finishes: Anodizing, Electroplating, Sand Blasting, Polishing, Powder Coating, Blacken, Hardening, Painting and many other treatments of the parts ... , steel alloy, plastic etc) Finish: Zinc plated, Chromated plated, Powder coating, Anti-corrosion etc Application: Auto part, Medicine part, Machine part, Building part ...