... 2.finish:coating , galvanzied ,polisehd Customerized steel precision stamping part/metal stampingMaterial: carbon steel, tinplate, alloy steel, stainless ... polishing, assembly.Inspection:Coating thickness tester, roughness tester, Go/Not-go gauge, salt spray testing, and hardness check.ISO 9000 ... or storage rack. 6. Hardware and room decration part We have the following advantage: 1. High quality cold ...