... ,Copper,Plastic,Nylon,Fiberglass,crystal etc.Adaptable IndustryStamping parts are used in Automotive , Electrical , Building , Furniture , Machine assembly , Computer , Air industry ... , blacking, etc Inspection: Coating thickness tester,Roughness tester, Go /Ungo Gauge, Sault spray testing machine, Hardness tester What's used for?crystal star award,zinc ...