... ,brass,iron,zinc alloy,aluminum alloy,aluminum and so on .Software for drawing: PRO/E, auto CAD,CAD,PDF and solid ... : Polishing, zinc/chromate plating, power coated and anodizing Processes: CAD service, metal processing, surface plating, QC testing and packingApplication:they are ... are only to show our productive capacity ,not for sales . custom metal lock box